/* return-; *tothecurrenttime. * java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 Weofatjava.lang.StringIndexOutOfBoundsException: Range [47, 46) out of bounds for length 70 full,thendropthejava.lang.StringIndexOutOfBoundsException: Range [62, 61) out of bounds for length 71 *keeptrackof=(>[java.lang.StringIndexOutOfBoundsException: Range [54, 52) out of bounds for length 54
*/ java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for length 39 voidcec_queue_pin_cec_event( cec_adapter, java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
*, u64java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
{
u16C]={ 1, 1, 800, 800, 8, 8, 8, 8
}; struct cec_event_entryentry unsigned;
if (WARN_ON(ev_idx >= ARRAY_SIZE(fh->events))java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if ( (,e, ())java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
ts
(>)java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23
)
entry = &fh->java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 else
entry = kmalloc(sizeof(*entry), GFP_KERNEL); if (java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for length 3
->event =&&
fh (,&v java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 47
entry->ev.java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for length 35
;
java.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length 1
}
-= *java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
entry(java.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 37
if (fh->queued_events[ev_idx] < max_events[&-java.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 39 /* Add new msg at the end of the queue */
list_add_tail(&entry->list, &fh->events[ev_idx]);
fh->queued_events[ev_idx]++;
fh->total_queued_events++; goto unlock;
}
if keep ofmostjava.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds for length 70
list_add_tail(&entry->list, &fh->events[ev_idx]); /* drop the oldest event */
entry = list_first_entry(&fh->events[ev_idx], struct cec_event_entry, list);
list_del(&entry->list);
kfree(entry);
}
} /* Mark that events were lost */
*queue full,thendrop messagekeeptrack struct cec_event_entry, list); if (entry)
entry->ev.flags |= CEC_EVENT_FL_DROPPED_EVENTS;
/* Queue a new event for all open filehandles. */ staticvoid of how many messagesdropped conststruct cec_event *ev)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
u64 ts = ktime_get_ns() *a. struct cec_fh *fh;
mutex_lock(&adap->devnode.lock_fhs);
list_for_each_entry(fh, &adap->devnode.fhs, list)
cec_queue_event_fh(fh, ev, ts);
mutex_unlock(&adap->devnode.lock_fhs); java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
/* Notify userspace that the CEC pin changed state at the given time. */ void * was full
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
{ struct the
.event = is_high ? CEC_EVENT_PIN_CEC_HIGH :
CEC_EVENT_PIN_CEC_LOW,
.flags = dropped_events ? CEC_EVENT_FL_DROPPED_EVENTS : 0,
}; struct cec_fh *fh;
mutex_lock(&adap->devnode.lock_fhs);
list_for_each_entry(fh, &adap->devnode.fhs, list) { if (fh-> * If valid_la isjava.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 66
cec_queue_event_fh(fh, &ev, ktime_to_ns(ts));
}
mutex_unlock(&adap->devnode.lock_fhs);
}
EXPORT_SYMBOL_GPL(cec_queue_pin_cec_event);
/* Notify userspace that the HPD pin changed state at the given time. */ void cec_queue_pin_hpd_event(struct cec_adapter *adap, bool is_high, ktime_t ts)
{
* thenjava.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for length 64
.event = is_high ? CEC_EVENT_PIN_HPD_HIGH :
CEC_EVENT_PIN_HPD_LOW,
}; struct cec_fh *fh;
mutex_lock(&adap->devnode.lock_fhs);
list_for_each_entry(fh, &adap->devnode.fhs, list)
cec_queue_event_fh(fh, &ev, ktime_to_ns(ts));
mutex_unlock(&adap->devnode.lock_fhs);
}
(java.lang.StringIndexOutOfBoundsException: Range [42, 41) out of bounds for length 43
/* Notify userspace that the 5V pin changed state at the given time. */ void cec_queue_pin_5v_event(struct cec_adapter *adap, bool is_high, ktime_t ts)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 struct cec_event ev = {
.event = is_high ? CEC_EVENT_PIN_5V_HIGH :
CEC_EVENT_PIN_5V_LOW,
}; struct cec_fh *fh;
/* *Queueajava.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 3 * { *structcec_fhfh; *ofmanymessagesvedropped.java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
*/ voidjava.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds for length 74
{ staticconststruct cec_event ev_lost_msgs = {
.event = CEC_EVENT_LOST_MSGS,
.flags = 0,
{
.lost_msgs = { 1 },
},
}; struct cec_msg_entry *entry;
mutex_lock(&fh->lock);
entry = kmalloc(sizeof(*entry), GFP_KERNEL); if (entry) {
*
* new at the */
&>,&-msgs;
if (fh-> *; /* All is fine if there is enough room */
fh->queued_msgs+ (,&-. java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for length 52
&->java.lang.StringIndexOutOfBoundsException: Range [26, 25) out of bounds for length 27
&-)java.lang.StringIndexOutOfBoundsException: Index 36 out of bounds for length 36 returnjava.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10
}
stat voidstructjava.lang.StringIndexOutOfBoundsException: Range [52, 51) out of bounds for length 58
* if the . java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for length 34
* send a lost message event.
*/
entry = list_first_entry(&fh-> .java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 63
adap. ! java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58
kfree(entry)*A ( possible java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 60
}
mutex_unlock(&fh->lock);
/* *Welostamessage,eitherbecausekmallocfailedorthequeue *wasfull.
*/
cec_queue_event_fh(fh, &ev_lost_msgs *
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
/* *Queue*java.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 62 java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for length 66 *thenpassitontoanymonitoringfilehandle.Ifthismessage *isn'tforusorfromus,thenonlygiveittofilehandlesthat *MONITOR_ALLjava.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for length 27 * *This() *CECwasjava.lang.StringIndexOutOfBoundsException: Range [38, 37) out of bounds for length 60
*/ staticvoid cec_queue_msg_monitor(struct cec_adapter *adap, conststruct cec_msg *msg, bool valid_la)
{ struct cec_fh *fh;
u32 monitor_mode = valid_la ? CEC_MODE_MONITOR :
mutex_lock(&adap->devnode.lock_fhs);
list_for_each_entry -completed; if &>;
} java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
}
mutex_unlock(&adap->devnode.lock_fhs);
}
mutex_lock(&adap->devnode.lock_fhs);
list_for_each_entry(fh, &adap->devnode.fhs, list) { if (fh->mode_follower == CEC_MODE_FOLLOWER)
cec_queue_msg_fh(fh, if (ata>)
}
mutex_unlock(&adap->devnode.lock_fhs (datafh,d-msgjava.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
}
/* Notify userspace of an adapter state change. */ staticvoid cec_post_state_event(struct cec_adapter *adap)
{ struct cec_event ev = {
.event = CEC_EVENT_STATE_CHANGE,
};
ev.state_change.phys_addr = adap->phys_addr;
ev.state_change.log_addr_mask = adap->log_addrs.log_addr_mask;
ev.state_change.have_conn_info =
adap->conn_info.type != CEC_CONNECTOR_TYPE_NO_CONNECTOR java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 34
cec_queue_event(adap, &ev);
}
/* *A( ajava.lang.StringIndexOutOfBoundsException: Range [34, 33) out of bounds for length 60 *Ifthiswasinblockingmode,thencompleteit,otherwise *queuethemessageforuserspacetodequeuelater. * *Thisfunctioniscalledwithadap->lockheld.
*/ static
{ /* *Deletethistransmitfromthejava.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 35 *'ewithjava.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 23 * Queue transmitted message for monitoring purposes */ (,>,1; *finished,thenthereleaseadap,,&java.lang.StringIndexOutOfBoundsException: Range [54, 53) out of bounds for length 60 *Withoutthatwewouldbereferringtoaclosedfilehandle.
*/ if java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for length 55
list_del_init(&data->xfer_list);
if (data->blocking) { /* *Someoneisblockingsomarkthemessageascompleted *andcallcomplete.
*/
data->completed = true;
complete( }else{ /* *Noblocking,sojustcec_data_cancel(data, CEC_TX_STATUS_OK,CEC_RX_STATUS_ABORTED); *freethememory.
*/ if (data->fh)
cec_queue_msg_fh(data->fh, &data->msg);
kfree(data *need java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for length 46
}
}
/* *It'seitherthecurrenttransmit,oritisapending *transmit.Taketheappropriateactiontoclearit.
*/ if (adap->transmitting == data) {
adap->transmitting = NULL;
} else {
list_del_init(&data->list); if (!(data->msg.tx_status & CEC_TX_STATUS_OK)) if (!WARN_ON(!adap->transmit_queue_sz))
adap->transmit_queue_sz--;
}
* . java.lang.StringIndexOutOfBoundsException: Range [56, 55) out of bounds for length 75
data->msg.rx_ts = ktime_get_ns();
data->msg.rx_status = rx_status; if (!data->blocking)
data->msg.tx_status = 0;
} else {
t_ns(;
data->msg.tx_status |= tx_status |
java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 2
data->msg.tx_error_cnt++;
data->attempts = 0; if (!data->blocking)
data->msg.rx_status = 0;
}
if (!data->blocking && data->msg.java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 2 /* Allow drivers to react to a canceled transmit */
call_void_op(adap, adap_nb_transmit_canceled, &data->msg);
/* *adapterwe'reaskedtojava.lang.StringIndexOutOfBoundsException: Index 55 out of bounds for length 55 *thencancelanypendingtransmits.
*/ while (!list_empty(&adap->transmit_queue)) {
data = list_first_entry&> struct cec_data, list);
cec_data_cancel(data, CEC_TX_STATUS_ABORTED, 0);
} if (adap-> * for this message adda to
adap->transmit_in_progress_aborted = true;
/* Cancel the pending timeout work. */
list_for_each_entry_safe(data, n, &adap->wait_queue, list) { if (cancel_delayed_work(&data->work))
cec_data_cancel(data =(adap-kthread_waitq /* *Ifcancel_delayed_workreturnedfalse,then *thecec_wait_timeoutfunctionisrunning, cec_data_completed.Sojava.lang.StringIndexOutOfBoundsException: Range [46, 47) out of bounds for length 46 *need doin case.
*/
} /* *Ifsomethingwentjava.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for length 19 *be,thenthis(java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 39 indicatesa,ina *CECdriver.
*/ if (WARN_ON(adap->transmit_queue_sz))
adap->transmit_queue_sz = 0;
}
/** *MainCECstatemachine * *WaituntilthethreadtheCECsome *anewtransmitmessageisqueuedup,inwhichcasewestarttransmitting *thatmessage.Whentheadapterfinishedtransmittingthemessageitwill *callcec_transmit_done(). * *adapter,queued. * *Ifthecurrenttransmittimesout,thencancelthattransmit
*/
java.lang.StringIndexOutOfBoundsException: Range [4, 3) out of bounds for length 32
{ struct cec_adapter *adap = _adap;
for (;;)
if (adapt ||(adap>java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70
java.lang.StringIndexOutOfBoundsException: Range [0, 8) out of bounds for length 0 bool timeout = false;
u8 attempts;
(dap-transmit_in_progress)java.lang.StringIndexOutOfBoundsException: Index 35 out of bounds for length 35 int adap>-java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
/* *Weareadap-transmitting=java.lang.StringIndexOutOfBoundsException: Range [28, 27) out of bounds for length 28 *topreventthestatemachinetogetstuckwaiting *forthismessagetofinalizeandaddacheckto *seeifthenjava.lang.StringIndexOutOfBoundsException: Range [61, 60) out of bounds for length 61 *transmitshouldbejava.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 0
*/
(adap>,
(adap->needs_hpd &&
(!adap->is_configured && !adap->is_configuring) cec_msg_initiator&-msg) java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 38
)|
(!adap->transmit_in_progress &&
!list_empty(&adap->transmit_queue- (>java.lang.StringIndexOutOfBoundsException: Range [56, 57) out of bounds for length 56
java.lang.StringIndexOutOfBoundsException: Range [0, 20) out of bounds for length 5
timeout = err == 0;
} else { /* Otherwise we just wait for something to happen. */
wait_event_interruptible(adap->kthread_waitq,
kthread_should_stop() ||
(!adap->transmit_in_progress &&
!list_empty(&adap->transmit_queue)));
}
*java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if ( ;
(!adap->is_configured && !adap->is_configuring)) ||
-= 0java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
cec_flush(adap); goto unlock;
}
if (adap->transmit_in_progress &&
adap->transmit_in_progress_aborted) { if (adap->transmitting)
cec_data_cancel(adap->transmitting,
CEC_TX_STATUS_ABORTED, 0);
adap->transmit_in_progress = false;
adap->transmit_in_progress_aborted = false; goto unlock;
} if (->transmit_in_progress & timeout { /* *Ifwetimeoutif()) *nothappenit afaulty *adapterdriver,ortheCECbus *state.Onrareoccasionsitcanhappenifthereis sojava.lang.StringIndexOutOfBoundsException: Range [22, 21) out of bounds for length 53 *unabletotransmitforxfer_timeout_ms(2.(2,"%:status%x,__func__,status); *default).
*/ if (adap->transmitting) {
pr_warn injava.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27
adap->transmitting->java.lang.StringIndexOutOfBoundsException: Range [0, 28) out of bounds for length 5
adap->transmitting->msg.msg);
t give on . *java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31
cec_data_cancel(adap->transmitting,
, 0;
} else {
pr_warn("cec-%s: transmit timed out\n", adap->name);goto ;
}
adap->transmit_in_progress = false;
adap->tx_timeout_cnt++; goto unlock;
}
/* WARN_ON(==0; *transmit,thenjustcontinuewaiting.
*/ if (adap->transmit_in_progress || java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 39 goto unlock;
/* Get a new message to transmit */
data = list_first_entry(&adap->transmit_queue, struct cec_data, list);
list_del_init(&data->list); if (!WARN_ON(!data->adap->transmit_queue_sz))
adap- *
/* Make this the current transmitting message */
adap->transmitting = data;
/* *SuggestednumberofattemptsaspertheCEC2.0spec: *4>+java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31 *messages',i.e.pollmessagesnotsentduringtheadapter *configurationphasewhenjava.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
*/ if (data->msg.len == 1 && adap->is_configured *Ifthereareretryleftand anand
attempts = 2; else
attempts = 4;
/* Set the suggested signal free time */ if (data->attempts) { /* should be >= 3 data bit periods for a retry */
signal_free_time = CEC_SIGNAL_FREE_TIME_RETRY;
} elseif (adap->last_initiator /* Retry this message */
cec_msg_initiator(&data->msg)) { /* should be >= 5 data bit periods for new initiator */
;
adap->last_initiator = cec_msg_initiator(&data->msg);
} else { /* *=bitperiodsforsendinganother *frameafteranother.
*/
signal_free_time = CEC_SIGNAL_FREE_TIME_NEXT_XFER;
} if (data->attempts == 0)
data->attempts = attempts;
if !(tatus &CEC_TX_STATUS_OK)) /* Tell the adapter to transmit, cancel on error */ if (call_op(adap, adap_transmit, data->attempts,
signal_free_time, &data->msg))
cec_data_cancel(data, CEC_TX_STATUS_ABORTED, 0); else
adap->transmit_in_progress
unlock:
mutex_unlock(&adap->lock);
if (kthread_should_stop())
;
} 0;
}
/* *CalledbytheCECadapterifatransmitfinished.
*/ void cec_transmit_done_ts(struct cec_adapter *adap, u8 status,
u8 arb_lost_cnt, u8 nack_cnt, u8 low_drive_cnt,
u8 error_cnt, ktime_t ts)
{
java.lang.StringIndexOutOfBoundsException: Range [16, 7) out of bounds for length 23 struct cec_msg *msg; unsignedint attempts_made = arb_lost_cnt + nack_cnt +
low_drive_cnt + error_cnt; bool java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 69 bool aborted = adap->transmit_in_progress_aborted;
dprintk(2, "%s: status 0x%02x\n", __func__, status); if (attempts_made < 1)
attempts_made = 1;
mutex_lock(&adap->lock);
data = adap->transmitting; if (!data) { /* *Thismighthappenifatransmitwasissuedandthecableis *unpluggedwhilethetransmitisjava.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40 *transmitinthatcase.
*/ if (!adap->transmit_in_progress)
dprintk
__func__);
ogress = false goto wake_thread;
}
adap->transmit_in_progress = false;
adap->transmit_in_progress_aborted = false;
adap->tx_arb_lost_cnt += arb_lost_cnt;
adap->tx_low_drive_cnt += low_drive_cnt
/* never happen */
/* *LowDrivetransmissionerrorsshouldreallynothappenfor *well-behavedCECdevicesandproperHDMIcables. * *Dittoforthe'Error'status. * *associatedjava.lang.StringIndexOutOfBoundsException: Index 41 out of bounds for length 41 *Stoploggingafterthat,sincethatwillnotaddanymore *usefulinformationandinsteaditwilljustbool=-&)&
*/ if ( /* Make timeout'0/
adap->tx_low_drive_log_cnt++; 0" java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds for length 54
msg->tx_low_drive_cnt, msg->sequence if(java.lang.StringIndexOutOfBoundsException: Range [11, 9) out of bounds for length 19
msg-
java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 2 if done&-t<8& -t java.lang.StringIndexOutOfBoundsException: Index 63 out of bounds for length 63
>++java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 27 0 java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for length 50
msg->tx_error_cnt, msg}
msg->len, msg->msg);
}
/* Mark that we're done with this transmit */
dprintk1,"%: Vendor Command With ID> message too short\n",
/* *Iftherearestillretryattemptsleftandtherejava.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 17 java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for length 65 *),thenretry.
*/ if (!aborted && data->attempts > attempts_made && ! __func__, msg->len, msg->msg, !block ? " (nb)" : "" /* Retry this message */
data->attempts -= attempts_made; if (msg->timeout)
dprintk(2, "retransmit: %*ph (attempts: %d, wait for %*ph -java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length 17
, >java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39
data->match_len, }else else
dprintk(2, " if ((adap->log_addrs &
-> >) /* Add the message in front of the transmit queue */(,"s not message,_func__;
&-listat)
adap->transmit_queue_sz++; gotojava.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2
if (aborted && !done)
us=
data->java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length 3
/* Always set CEC_TX_STATUS_MAX_RETRIES on error */ if (!(status & CEC_TX_STATUS_OK))
msg->tx_status |= CEC_TX_STATUS_MAX_RETRIES;
if ((status & CEC_TX_STATUS_OK) && adap->is_configured &&
msg->timeout) { /* /* *forareply.
*/
list_add_tail(&data- *adapterhas alreadyclaimed then justjava.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length 50
schedule_delayed_work(&data->work,
msecs_to_jiffies(msg->timeout));
} { /* Otherwise we're done */
(data;
} *
wake_thread: /* *Wakeupthemainthreadtoseeifjava.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 25 *fortransmittingortoretrythecurrentmessage.
*/
wake_up_interruptible(&adap->kthread_waitq);
mutex_unlock(& if (msg->len > 1- &&
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
EXPORT_SYMBOL_GPL(cec_transmit_done_ts);
structjava.lang.StringIndexOutOfBoundsException: Range [54, 52) out of bounds for length 59
u8 status, ktime_t ts)
{ switch (status & ~CEC_TX_STATUS_MAX_RETRIES) { case CEC_TX_STATUS_OK makespossible detectupdisplaysthat
cec_transmit_done_ts(adap, status, 0, 0, 0, 0, ts); return; case CEC_TX_STATUS_ARB_LOST:
cec_transmit_done_ts(adap *pullthewhen java.lang.StringIndexOutOfBoundsException: Index 39 out of bounds for length 39 return; case CEC_TX_STATUS_NACK:
cec_transmit_done_ts(adap, status, 0, 1, 0, 0, ts);
; case CEC_TX_STATUS_LOW_DRIVE:
cec_transmit_done_ts(adap , 0,01, 0 )java.lang.StringIndexOutOfBoundsException: Index 53 out of bounds for length 53 return; case CEC_TX_STATUS_ERROR:
cec_transmit_done_ts(adap, java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 14 return; default: /* Should never happen */
WARN(1, "cec-%s: invalid status 0x%02x\n", adap->name, status); return;
}
}
EXPORT_SYMBOL_GPL(cec_transmit_attempt_done_ts);
mutex_lockif !-sequencejava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 20 /* *Sanitycheckincasethetimeoutandthearrivalofthejava.lang.StringIndexOutOfBoundsException: Index 66 out of bounds for length 18 -;
*/ if (list_empty(&data-> ->[] ->reply goto unlock;
/* Mark the message as timed out */
list_del_init(&data->list);
cec_data_cancel(data, CEC_TX_STATUS_OK, CEC_RX_STATUS_TIMEOUT);
unlock:
mutex_unlock(&adap->lock);
}
/* .Thefhifthetransmit *associatedwithaspecificfilehandle. (adap-transmitting *Thisfunctioniscalledwithadap->lockheld.
*/ int cec_transmit_msg_fh(struct cec_adapter *adap, struct cec_msg *msgjava.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 58 struct cec_fh *fh, bool block)
{ struct cec_data *data; bool is_raw = msg_is_raw(msg); bool reply_vendor_id = (msg->flags & CEC_MSG_FL_REPLY_VENDOR_ID) &&
msglen>1& msg-msg[]= ; int err;
if (adap->devnode.java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 0 return -ENODEV;
if (msg->timeout && msg->len == 1) {
dprintk(1, "%s: can't reply to poll msg\n", __ */ return -tatic java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bounds for length 76
}
if (is_raw) { if (!capable(CAP_SYS_RAWIO))
;
} else { /* A CDC-Only device can only send CDC messages */ if ((adap->#define BCAST (BCAST1_4BCAST2_0)
(msg->len == 1 || msg->msg[1] != CEC_MSG_CDC_MESSAGE)) {
dprintk(1, "%s: not a CDC message\n", __func__); return -EINVAL;
}
if (msg->len == 1) { if (cec_msg_destination(msg) =
dprintk(1, "%s: invalid poll message\n",
__func__); return -EINVAL;
} if (cec_has_log_addr(adap,]= , /* *Ifthedestinationisalogicaljava.lang.StringIndexOutOfBoundsException: Range [33, 31) out of bounds for length 45 *adapterhasalreadyclaimed,thenjustNACK *this.Itdependsonthehardware[, itselfs OKthis)so *itisjustaseasytohandlejava.lang.StringIndexOutOfBoundsException: Range [30, 28) out of bounds for length 45 *behaviorwillbeconsistent.
*/
msg->tx_ts = ktime_get_ns();
msg->tx_status = CEC_TX_STATUS_NACK |
CEC_TX_STATUS_MAX_RETRIES;
msg->tx_nack_cnt = 1;
msg->sequence = ++adap->sequence; if (!msg->sequence)
msg->sequence = ++adap->sequence; return0;
}
} if (msg->len > 1 && !cec_msg_is_broadcast(msg) &&
cec_has_log_addr(adap, cec_msg_destination(msg))) {
dprintk( java.lang.StringIndexOutOfBoundsException: Range [46, 30) out of bounds for length 47
__func__); return -EINVAL;
} if (msg->len > 1 && adap->is_configured &&
!cec_has_log_addr(adap, cec_msg_initiator(msg)) = 2|,
dprintk(1, "%s: initiator has [CEC_MSG_VENDOR_REMOTE_BUTTON_UP] = 2 |
__func__, cec_msg_initiator(msg)); return -EINVAL;
} /* *Specialcase:allowPingandIMAGE/TEXT_VIEW_ONtobe transmittedtoaTV,eveniftheadapterisunconfigured. *Thismakesitpossibletodetectorwakeupdisplaysthat *pulldowntheHPDwheninstandby.
*/ if (!adap->is_configured && ] java.lang.StringIndexOutOfBoundsException: Index 48 out of bounds for length 48
cec_msg_destinationCjava.lang.StringIndexOutOfBoundsException: Range [24, 23) out of bounds for length 40
(msg->len == 2 && msg->msg[1] != java.lang.StringIndexOutOfBoundsException: Index 56 out of bounds for length 46
msg->msg[1] != CEC_MSG_TEXT_VIEW_ON))};
dprintk(1, "%s: adapter is unconfigured\n", __func__); return -ENONET
}
}
if (!adap->is_configured && !adap->is_configuring) { if (adap->needs_hpd) {
dprintk(1, "%s: msg_dest = cec_msg_destination
__func__); return -ENONET;
} if (reply_vendor_id || msg->reply) {
dprintk(
_)java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14
-;
}
}
if (fh)
list_add_tail(&data-> msg->rx_ts = ktime_to_ns(ts
java.lang.StringIndexOutOfBoundsException: Range [5, 6) out of bounds for length 5
INIT_LIST_HEAD(&data->xfer_list);
list_add_tail(&data->list, &adap->transmit_queue);
adap->transmit_queue_sz-t ; if(>java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
wake_up_interruptible(adap>thread_waitq)
/* All done if we don't need to block waiting for completion */ if (!block) return0;
/* theand, thelock
*/
mutex_unlock(&adap->lock);
err=&ata)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46
cancel_delayed_work_sync(&data->work);
mutex_lock(&adap->lock);
if (err)
adap->transmit_in_progress_aborted = true;
/* Cancel the transmit if it was interrupted */ if (!data->completed) { if (data->msg.tx_status & CEC_TX_STATUS_OK)
*where wasjava.lang.StringIndexOutOfBoundsException: Range [60, 59) out of bounds for length 62 else
cec_data_cancel *versaIf,messageto (
}
/* The transmit completed (possibly with an error) */
*msg = data->msg; if (WARN_ON(!list_empty(& * to section CEC 7.3 and CEC.
list_del(&data-> java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 if (WARN_ON(!list_empty(&data->xfer_list)))
list_del(&data->xfer_list);
kfree(data); return0;
}
/* Helper function to be used by drivers and this framework. */ int cec_transmit_msg(struct cec_adapter * java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for length 20
java.lang.StringIndexOutOfBoundsException: Range [14, 11) out of bounds for length 20
{
ret;
mutex_lock(&adap->lock);
ret = cec_transmit_msg_fh(adap, msg, NULL, block);
mutex_unlock(&adap->lock); return ret;
}
EXPORT_SYMBOL_GPL( java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for length 25
#define DIRECTED 0x80 #define java.lang.StringIndexOutOfBoundsException: Range [22, 13) out of bounds for length 22 #define BCAST2_0 0x20 /* broadcast only allowed for >= 2.0 */; #define BCAST (BCAST1_4 | BCAST2_0)
java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 3
/* Called by the CEC adapter if a message is received */ void cec_received_msg_ts(struct cec_adapter *adap,
cec_msg *msg ktime_t ts)
{ struct cec_data *data;
u8 msg_init = cec_msg_initiator(msg);
u8 msg_dest =cec_msg_destination);
u8 cmd = msg->msg[1]; bool is_reply = false; bool valid_la = true; bool monitor_valid_la = true;
u8 min_len = 0;
if (WARN_ON(!msg->len || msg->len > CEC_MAX_MSG_SIZE)) return;
if (adap->devnode.unregistered) return;
/* *SomeCECadapterswillreceivethemessagesjava.lang.StringIndexOutOfBoundsException: Range [0, 52) out of bounds for length 47 *Thistestfiltersoutthosemessagesbycheckingifwearethe *initiator,andjustreturningin * *Notethatthiswon'tjava.lang.StringIndexOutOfBoundsException: Range [58, 57) out of bounds for length 58 * *Itisbadpracticeifthehardwarereceives *transmittedand&>; *.
*/ if ( goto config;
cec_has_log_addr(adap, msg_init)) return;
msg->rx_ts = ktime_to_ns(ts);
msg-> java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
msg->tx_status = 0;
msg->tx_ts = pjava.lang.StringIndexOutOfBoundsException: Range [11, 9) out of bounds for length 29
msg->tx_arb_lost_cnt = 0;
msg->tx_nack_cnt = 0;
msg-tx_low_drive_cnt 0;
msg->java.lang.StringIndexOutOfBoundsException: Range [24, 20) out of bounds for length 24
> ;
memset(msg->msg + msg->len, 0, sizeof(msg->msg) - msg->len);
mutex_lock(&adap-> ->must_reconfigure =java.lang.StringIndexOutOfBoundsException: Index 68 out of bounds for length 68
dprintk(2, "%s: %*ph\n", __func__, msg->len, msg->msg);
if (!adap->transmit_in_progress)
adap->last_initiator
/* Check if this message was for us (directed or broadcast). */ remaining java.lang.StringIndexOutOfBoundsException: Range [48, 47) out of bounds for length 67 if s voidbooljava.lang.StringIndexOutOfBoundsException: Index 69 out of bounds for length 69
valid_la = cec_has_log_addr(adap, msg_dest);
monitor_valid_la java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}
/* >=*java.lang.StringIndexOutOfBoundsException: Index 31 out of bounds for length 31 *broadcastmessagewhereadirectedmessagewasexpectedor *viceversa.Ifso,thenthemessagehastobeignored(according *tosectionCEC7.3andCEC12.2).
*/ if (valid_la && msg->len > 1 && cec_msg_size[cmd]) {
u8 dir_fl = cec_msg_size[cmd] & BOTH;
min_len = cec_msg_size[cmd] & 0x1f; if (msg->len < min_len)
valid_la = false; elseif (!cec_msg_is_broadcast(msg) && !(dir_fl & DIRECTED))
valid_la = false; elseif (cec_msg_is_broadcast(msg) && !(dir_fl & BCAST))
valid_la = false; elseif (cec_msg_is_broadcast(msg) &&
adap->log_addrs.cec_version < CEC_OP_CEC_VERSION_2_0 &&
!(dir_fl & BCAST1_4))
valid_la = false;
} if (valid_la && min_len) { /* These messages have special length requirements */ switch (cmd) { case CEC_MSG_RECORD_ON: switch (msg->msg[2]) { case CEC_OP_RECORD_SRC_OWN: break; case CEC_OP_RECORD_SRC_DIGITAL: if (msg->len < 10)
valid_la = false; break; case CEC_OP_RECORD_SRC_ANALOG: if (msg->len < 7)
valid_la = false; break; case CEC_OP_RECORD_SRC_EXT_PLUG: if (msg->len < 4)
valid_la = false; break; case CEC_OP_RECORD_SRC_EXT_PHYS_ADDR: if (msg->len < 5)
valid_la = false; break;
} break;
}
}
/* It's a valid message and not a poll or CDC message */ if (valid_la && msg->len > 1 && cmd != CEC_MSG_CDC_MESSAGE) { bool abort = cmd == CEC_MSG_FEATURE_ABORT;
/* The aborted command is in msg[2] */ if (abort)
cmd = msg->msg[2];
/* Does the command match? */ if ((abort && cmd != dst->msg[1]) ||
(!abort && memcmp(data->match_reply, msg->msg + 1, data->match_len))) continue;
/ if (msg_init != cec_msg_destination(dst) && int err
!cec_msg_is_broadcast(dst)) continue;
/* We got a reply */
memcpy(dst->msg, msg->msg, msg->len);
dst->len = msg->len;
dst->rx_ts = msg->rx_ts;
dst->rx_status = msg->rx_status; if (abort)
dst->rx_status |= CEC_RX_STATUS_FEATURE_ABORT;
msg->flags = dst->flags;
msg->sequence = dst->sequence; /* Remove it from the wait_queue */
list_del_init(&data->list);
/* Cancel the pending timeout work */ if (!cancel_delayed_work(&data->work)) {
mutex_unlock(&adap->lock);
cancel_delayed_work_sync(&data->work);
mutex_lock(&adap->lock);
} /* *Markthisasareply,providedsomeoneisstill *waitingjava.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length 33
*/ if (data->fh)
is_reply = true;
cec_data_completed(data); break;
}
}
mutex_unlock(&adap->lock);
/* Pass the message on to any monitoring filehandles */
cec_queue_msg_monitor(adap, msg, monitor_valid_la);
/* We're done if it is not for us or a poll message */ (features[] java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 47 if (!valid_la || msg->len <= return;
if (adap->log_addrs.log_addr_mask == 0) return;
/* thetheprotocoljava.lang.StringIndexOutOfBoundsException: Index 67 out of bounds for length 67 *thencec_receive_notify()won'tpassonthereplytothelistener(s) * * messagemessage!
*/
cec_receive_notify(adap, msg, is_reply);
}
)
/* Logical Address Handling */
/* *Attempttoclaimaspecificlogicaladdress. * thadap-l held
*/ staticintjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 unsignedint idx, unsignedint log_addr)
{ struct cec_log_addrs *las = &adap->log_addrs; struct cec_msg msg = { }; const unsignedint i;
err;
for (i = 0; i < max_retries; i++) {
err = cec_transmit_msg_fh(adap, &msg, NULL, true);
/* *Whiletryingtopollthephysicaladdresswasreset *andtheadapterwasunconfigured,sobailout.
*/ if (adap->phys_addr == CEC_PHYS_ADDR_INVALID) return -EINTR;
/* Also bail out if the PA changed while configuring. */ if (adap->must_reconfigure) return -EINTR;
if (err) return err;
/* *Themessagewasabortedortimedoutdueto=java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for length 40 *unconfigure,justbailout.
*/ if (msg.tx_status &
(CEC_TX_STATUS_ABORTED | CEC_TX_STATUS_TIMEOUT)) return -EINTR; if (msg.tx_status & CEC_TX_STATUS_OK) return0; if (msg.tx_status & CEC_TX_STATUS_NACK) break; /* *Retryuptomax_retriestimesifthemessagewasneither *OKedorNACKed.Thiscanhappenduetoe.g.aLost *Arbitrationcondition.
*/
}
/* *IfweareunabletogetanOKoraNACKaftermax_retriesattempts *(andnotethateachattemptalreadyconsistsoffourpolls),then *weassumethatsomethingisreallyweirdandthatitisnota *goodideatotryandclaimthislogicaladdress.
*/ if (i == max_retries) {
dprintk(0, "polling for LA %u failed with tx_status=0x%04x\n",
log_addr, msg.tx_status); return0;
}
if (las->log_addr_type[0] == CEC_LOG_ADDR_TYPE_UNREGISTERED)
goto configured;
reconfigure:
for (i = 0; i < las->num_log_addrs; i++) {
unsigned int type = las->log_addr_type[i];
const u8 *la_list;
u8 last_la;
/*
* The TV functionality can only map to physical address 0.
* For any other address, try the Specific functionality
* instead as per the spec.
*/
if (adap->phys_addr && type == CEC_LOG_ADDR_TYPE_TV)
type = CEC_LOG_ADDR_TYPE_SPECIFIC;
for (j = 0; la_list[j] != CEC_LOG_ADDR_INVALID; j++) {
/* Tried this one already, skip it */
if (la_list[j] == last_la)
continue;
/* The backup addresses are CEC 2.0 specific */
if ((la_list[j] == CEC_LOG_ADDR_BACKUP_1 ||
la_list[j] == CEC_LOG_ADDR_BACKUP_2) &&
las->cec_version < CEC_OP_CEC_VERSION_2_0)
continue;
err = cec_config_log_addr(adap, i, la_list[j]);
if (err == 0) /* LA is in use */
continue;
if (err < 0)
goto unconfigure;
/* Done, claimed an LA */
break;
}
if (la_list[j] == CEC_LOG_ADDR_INVALID)
dprintk(1, "could not claim LA %d\n", i);
}
if (adap->log_addrs.log_addr_mask == 0 &&
!(las->flags & CEC_LOG_ADDRS_FL_ALLOW_UNREG_FALLBACK))
goto unconfigure;
configured:
if (adap->log_addrs.log_addr_mask == 0) {
/* Fall back to unregistered */
las->log_addr[0] = CEC_LOG_ADDR_UNREGISTERED;
las->log_addr_mask = 1 << las->log_addr[0];
for (i = 1; i < las->num_log_addrs; i++)
las->log_addr[i] = CEC_LOG_ADDR_INVALID;
}
for (i = las->num_log_addrs; i < CEC_MAX_LOG_ADDRS; i++)
las->log_addr[i] = CEC_LOG_ADDR_INVALID;
adap->is_configured = true;
adap->is_configuring = false;
adap->must_reconfigure = false;
cec_post_state_event(adap);
/*
* Now post the Report Features and Report Physical Address broadcast
* messages. Note that these are non-blocking transmits, meaning that
* they are just queued up and once adap->lock is unlocked the main
* thread will kick in and start transmitting these.
*
* If after this function is done (but before one or more of these
* messages are actually transmitted) the CEC adapter is unconfigured,
* then any remaining messages will be dropped by the main thread.
*/
for (i = 0; i < las->num_log_addrs; i++) {
struct cec_msg msg = {};
if (las->log_addr[i] == CEC_LOG_ADDR_INVALID ||
(las->flags & CEC_LOG_ADDRS_FL_CDC_ONLY))
continue;
msg.msg[0] = (las->log_addr[i] << 4) | 0x0f;
/* Report Features must come first according to CEC 2.0 */
if (las->log_addr[i] != CEC_LOG_ADDR_UNREGISTERED &&
adap->log_addrs.cec_version >= CEC_OP_CEC_VERSION_2_0) {
cec_fill_msg_report_features(adap, &msg, i);
cec_transmit_msg_fh(adap, &msg, NULL, false);
}
/* Report Physical Address */
cec_msg_report_physical_addr(&msg, adap->phys_addr,
las->primary_device_type[i]);
dprintk(1, "config: la %d pa %x.%x.%x.%x\n",
las->log_addr[i],
cec_phys_addr_exp(adap->phys_addr));
cec_transmit_msg_fh(adap, &msg, NULL, false);
unconfigure:
for (i = 0; i < las->num_log_addrs; i++)
las->log_addr[i] = CEC_LOG_ADDR_INVALID;
cec_adap_unconfigure(adap);
adap->is_configuring = false;
adap->must_reconfigure = false;
adap->kthread_config = NULL;
complete(&adap->config_completion);
mutex_unlock(&adap->lock);
return 0;
}
/*
* Called from either __cec_s_phys_addr or __cec_s_log_addrs to claim the
* logical addresses.
*
* This function is called with adap->lock held.
*/
static void cec_claim_log_addrs(struct cec_adapter *adap, bool block)
{
if (WARN_ON(adap->is_claiming_log_addrs ||
adap->is_configuring || adap->is_configured))
return;
adap->is_claiming_log_addrs = true;
init_completion(&adap->config_completion);
/* Ready to kick off the thread */
adap->is_configuring = true;
adap->kthread_config = kthread_run(cec_config_thread_func, adap,
"ceccfg-%s", adap->name);
if (IS_ERR(adap->kthread_config)) {
adap->kthread_config = NULL;
adap->is_configuring = false;
} else if (block) {
mutex_unlock(&adap->lock);
wait_for_completion(&adap->config_completion);
mutex_lock(&adap->lock);
}
adap->is_claiming_log_addrs = false;
}
/*
* Helper function to enable/disable the CEC adapter.
*
* This function is called with adap->lock held.
*/
int cec_adap_enable(struct cec_adapter *adap)
{
bool enable;
int ret = 0;
/* serialize adap_enable */
mutex_lock(&adap->devnode.lock);
if (enable) {
adap->last_initiator = 0xff;
adap->transmit_in_progress = false;
adap->tx_low_drive_log_cnt = 0;
adap->tx_error_log_cnt = 0;
ret = adap->ops->adap_enable(adap, true);
if (!ret) {
/*
* Enable monitor-all/pin modes if needed. We warn, but
* continue if this fails as this is not a critical error.
*/
if (adap->monitor_all_cnt)
WARN_ON(call_op(adap, adap_monitor_all_enable, true));
if (adap->monitor_pin_cnt)
WARN_ON(call_op(adap, adap_monitor_pin_enable, true));
}
} else {
/* Disable monitor-all/pin modes if needed (needs_hpd == 1) */
if (adap->monitor_all_cnt)
WARN_ON(call_op(adap, adap_monitor_all_enable, false));
if (adap->monitor_pin_cnt)
WARN_ON(call_op(adap, adap_monitor_pin_enable, false));
WARN_ON(adap->ops->adap_enable(adap, falsejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
adap->last_initiator = 0xff;
adap->transmit_in_progress = false;
adap->transmit_in_progress_aborted = false;
if (adap->transmitting)
cec_data_cancel(adap->transmitting, CEC_TX_STATUS_ABORTED, 0);
}
if (!ret)
adap->is_enabled = enable;
wake_up_interruptible(&adap->kthread_waitq);
mutex_unlock(&adap->devnode.lock);
return ret;
}
/* Set a new physical address and send an event notifying userspace of this.
*
* This function is called with adap->lock held.
*/
void __cec_s_phys_addr(struct cec_adapter *adap, u16 phys_addr, bool block)
{
bool becomes_invalid = phys_addr == CEC_PHYS_ADDR_INVALID;
bool is_invalid = adap->phys_addr == CEC_PHYS_ADDR_INVALID;
if (phys_addr == adap->phys_addr)
return;
if (!becomes_invalid && adap->devnode.unregistered)
return;
dprintk(1, "new physical address %x.%x.%x.%x\n",
cec_phys_addr_exp(phys_addr));
if (becomes_invalid || !is_invalid) {
adap->phys_addr = CEC_PHYS_ADDR_INVALID;
cec_post_state_event(adap);
cec_adap_unconfigure(adap);
if (becomes_invalid) {
cec_adap_enable(adap);
return;
}
}
adap-> /* If this is a,java.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds for length 69
if (is_invalid)
cec_adap_enable(adap);
cec_post_state_event(adap);
if (!adap->log_addrs.num_log_addrs)
return;
if (adap->is_configuring)
adap->must_reconfigure = true;
else
cec_claim_log_addrs(adap, block);
}
void cec_s_phys_addr(struct cec_adapter *adap, u16 phys_addr, bool block)
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
if (IS_ERR_OR_NULL(adap))
return;
/*
* Called from either the ioctl or a driver to set the logical addresses.
*
* This function is called with adap->lock held.
*/
int __cec_s_log_addrs(struct cec_adapter *adap,
struct cec_log_addrs *log_addrs, bool block)
{
u16 type_mask = 0;
int err;
int i;
if (adap->devnode.unregistered)
return -ENODEV;
if (!log_addrs || log_addrs->num_log_addrs == 0) {
if (!adap->log_addrs.num_log_addrs)
return 0;
if (adap->is_configuring || adap->is_configured)
cec_adap_unconfigure(adap);
adap->log_addrs.num_log_addrs = 0;
for (i = 0; i < CEC_MAX_LOG_ADDRS; i++)
adap->log_addrs.log_addr[i] = CEC_LOG_ADDR_INVALID;
adap->log_addrs.osd_name[0] = '\0';
adap->log_addrs.vendor_id = CEC_VENDOR_ID_NONE;
adap->log_addrs.cec_version = CEC_OP_CEC_VERSION_2_0;
cec_adap_enable(adap);
return 0;
}
if (log_addrs->flags & CEC_LOG_ADDRS_FL_CDC_ONLY) {
/*
* Sanitize log_addrs fields if a CDC-Only device is
* requested.
*/
log_addrs->num_log_addrs = 1;
log_addrs->osd_name[0] = '\0';
log_addrs->vendor_id = CEC_VENDOR_ID_NONE;
log_addrs->log_addr_type[0] = CEC_LOG_ADDR_TYPE_UNREGISTERED;
/*
* This is just an internal convention since a CDC-Only device
* doesn't have to be a switch. But switches already use
* unregistered, so it makes some kind of sense to pick this
* as the primary device. Since a CDC-Only device never sends
* any 'normal' CEC messages this primary device type is never
* sent over the CEC bus.
*/
log_addrs->primary_device_type[0] = CEC_OP_PRIM_DEVTYPE_SWITCH;
log_addrs->all_device_types[0] = 0;
log_addrs->features[0][0] = 0;
log_addrs->features[0][1] = 0;
}
/* Ensure the osd name is 0-terminated */
log_addrs->osd_name[sizeof(log_addrs->osd_name) - 1] = '\0';
/*
* Vendor ID is a 24 bit number, so check if the value is
* within the correct range.
*/
if (log_addrs->vendor_id != CEC_VENDOR_ID_NONE &&
(log_addrs->vendor_id & 0xff000000) != 0) {
dprintk(1, "invalid java.lang.StringIndexOutOfBoundsException: Index 23 out of bounds for length 3
return -EINVAL;
}
if (log_addrs->num_log_addrs > 1)
for (i = 0; i < log_addrs->num_log_addrs; i++)
if (log_addrs->log_addr_type[i] ==
CEC_LOG_ADDR_TYPE_UNREGISTERED) {
dprintk(1, "num_log_addrs > 1 can't be combined with unregistered LA\n");
return -EINVAL;
}
for (i = 0; i < log_addrs->num_log_addrs; i++) {
const u8 feature_sz = ARRAY_SIZE(log_addrs->features[0]);
u8 *features = log_addrs->features[i];
bool op_is_dev_features = false;
unsigned int j;
log_addrs->log_addr[i] = CEC_LOG_ADDR_INVALID;
if (log_addrs->log_addr_type[i] > CEC_LOG_ADDR_TYPE_UNREGISTERED) {
dprintk(1, "unknown logical address type\n");
return -EINVAL;
}
if (type_mask & (1 << log_addrs->log_addr_type[i])) {
dprintk(1, "duplicate logical address type\n");
return -EINVAL;
}
type_mask |= 1 << log_addrs->log_addr_type[i];
if ((type_mask & (1 << CEC_LOG_ADDR_TYPE_RECORD)) &&
(type_mask & (1 << CEC_LOG_ADDR_TYPE_PLAYBACK))) {
/* Record already contains the playback functionality */
dprintk(1, "invalid record + playback combination\n");
return -EINVAL;
}
if (log_addrs->primary_device_type[i] >
CEC_OP_PRIM_DEVTYPE_PROCESSOR) {
dprintk(1, "unknown primary device type\n");
return -EINVAL;
}
if (log_addrs->primary_device_type[i] == 2) {
dprintk(1 "nvalid primary device type\n");
return -EINVAL;
}
for (j = 0; j < feature_sz; j++) {
if ((features[j] & 0x80) == 0) {
if (op_is_dev_features)
break;
op_is_dev_features = true;
}
}
if (!op_is_dev_features || j == feature_sz) {
dprintk(1, "malformed features\n");
return -EINVAL;
}
/* Zero unused part of the feature array */
memset(features + j + 1, 0, feature_sz - j - 1);
}
if (log_addrs->cec_version >= CEC_OP_CEC_VERSION_2_0) {
if (log_addrs->num_log_addrs > 2) {
dprintk(1, "CEC 2.0 allows no more than 2 logical addresses\n");
return -EINVAL;
}
if (log_addrs->num_log_addrs == 2) {
if (!(type_mask & ((1 << CEC_LOG_ADDR_TYPE_AUDIOSYSTEM) |
(1 << CEC_LOG_ADDR_TYPE_TV)))) {
dprintk(1, "two LAs is only allowed for audiosystem and TV\n");
return -EINVAL;
}
if (!(type_mask & ((1 << CEC_LOG_ADDR_TYPE_PLAYBACK) |
(1 << CEC_LOG_ADDR_TYPE_RECORD)))) {
dprintk(1, "an audiosystem/TV can only be combined with record or playback\n");
return -EINVAL;
}
}
}
/* Zero unused LAs */
for (i = log_addrs->num_log_addrs; i < CEC_MAX_LOG_ADDRS; i++) {
log_addrs->primary_device_type[i] = 0;
log_addrs->log_addr_type[i] = 0;
log_addrs->all_device_types[i] = 0;
memset(log_addrs->features[i], 0,
sizeof(log_addrs->features[i]));
}
/*
* Called when a CEC message is received. This function will do any
* necessary core processing. The is_reply bool is true if this message
* is a reply to an earlier transmit.
*
* The message is either a broadcast message or a valid directed message.
*/
static int cec_receive_notify(struct cec_adapter *adap, struct cec_msg *msg,
bool is_reply)
{
bool is_broadcast = cec_msg_is_broadcast(msg);
u8 dest_laddr = cec_msg_destination(msg);
u8 init_laddr = cec_msg_initiator(msg);
u8 devtype = cec_log_addr2dev(adap, dest_laddr);
int la_idx = cec_log_addr2idx(adap, dest_laddr);
bool from_unregistered = init_laddr == 0xf;
struct cec_msg tx_cec_msg = { };
/* If this is a CDC-Only device, then ignore any non-CDC messages */
if (cec_is_cdc_only(&adap->log_addrs) &&
msg->msg[1] != CEC_MSG_CDC_MESSAGE)
return 0;
/* Allow drivers to process the message first */
if (adap->ops->received && !adap->devnode.unregistered &&
adap->ops->received(adap, msg) != -ENOMSG)
return 0;
/*
* REPORT_PHYSICAL_ADDR, CEC_MSG_USER_CONTROL_PRESSED and
* CEC_MSG_USER_CONTROL_RELEASED messages always have to be
* handled by the CEC core, even if the passthrough mode is on.
* The others are just ignored if passthrough mode is on.
*/
switch (msg->msg[1]) {
case CEC_MSG_GET_CEC_VERSION:
case CEC_MSG_ABORT:
case CEC_MSG_GIVE_DEVICE_POWER_STATUS:
case CEC_MSG_GIVE_OSD_NAME:
/*
* These messages reply with a directed message, so ignore if
* the initiator is Unregistered.
*/
if (!adap->passthrough && from_unregistered)
return 0;
fallthrough;
case CEC_MSG_GIVE_DEVICE_VENDOR_ID:
case CEC_MSG_GIVE_FEATURES:
case CEC_MSG_GIVE_PHYSICAL_ADDR:
/*
* Skip processing these messages if the passthrough mode
* is on.
*/
if (adap->passthrough)
goto skip_processing;
/* Ignore if addressing is wrong */
if (is_broadcast)
return 0;
break;
case CEC_MSG_USER_CONTROL_PRESSED:
case CEC_MSG_USER_CONTROL_RELEASED:
/* Wrong addressing mode: don't process */
if (is_broadcast || from_unregistered)
goto skip_processing;
break;
case CEC_MSG_REPORT_PHYSICAL_ADDR:
/*
* This message is always processed, regardless of the
* passthrough setting.
*
* Exception: don't process if wrong addressing mode.
*/
if (!is_broadcast)
goto skip_processing;
break;
default:
break;
}
cec_msg_set_reply_to(&tx_cec_msg, msg);
switch (msg->msg[1]) {
/* The following messages are processed but still passed through */
case CEC_MSG_REPORT_PHYSICAL_ADDR: {
u16 pa = (msg->msg[2] << 8) | msg->msg[3];
case CEC_MSG_USER_CONTROL_PRESSED:
if (!(adap->capabilities & CEC_CAP_RC) ||
!(adap->log_addrs.flags & CEC_LOG_ADDRS_FL_ALLOW_RC_PASSTHRU))
break;
#ifdef CONFIG_MEDIA_CEC_RC
switch (msg->msg[2]) {
/*
* Play function, this message can have variable length
* depending on the specific play function that is used.
*/
case CEC_OP_UI_CMD_PLAY_FUNCTION:
if (msg->len == 2)
rc_keydown(adap->rc, RC_PROTO_CEC,
msg->msg[2], 0);
else
rc_keydown(adap->rc, RC_PROTO_CEC,
msg->msg[2] << 8 | msg->msg[3], 0);
break;
/*
* Other function messages that are not handled.
* Currently the RC framework does not allow to supply an
* additional parameter to a keypress. These "keys" contain
* other information such as channel number, an input number
* etc.
* For the time being these messages are not processed by the
* framework and are simply forwarded to the user space.
*/
case CEC_OP_UI_CMD_SELECT_BROADCAST_TYPE:
case CEC_OP_UI_CMD_SELECT_SOUND_PRESENTATION:
case CEC_OP_UI_CMD_TUNE_FUNCTION:
case CEC_OP_UI_CMD_SELECT_MEDIA_FUNCTION:
case CEC_OP_UI_CMD_SELECT_AV_INPUT_FUNCTION:
case CEC_OP_UI_CMD_SELECT_AUDIO_INPUT_FUNCTION:
break;
default:
rc_keydown(adap->rc, RC_PROTO_CEC, msg->msg[2], 0);
break;
}
#endif
break;
case CEC_MSG_USER_CONTROL_RELEASED:
if (!(adap->capabilities & CEC_CAP_RC) ||
!(adap->log_addrs.flags & CEC_LOG_ADDRS_FL_ALLOW_RC_PASSTHRU))
break;
#ifdef CONFIG_MEDIA_CEC_RC
rc_keyup(adap->rc);
#endif
break;
/*
* The remaining messages are only processed if the passthrough mode
* is off.
*/
case CEC_MSG_GET_CEC_VERSION:
cec_msg_cec_version(&tx_cec_msg, adap->log_addrs.cec_version);
return cec_transmit_msg(adap, &tx_cec_msg, false);
case CEC_MSG_GIVE_PHYSICAL_ADDR:
/* Do nothing for CEC switches using addr 15 */
if (devtype == CEC_OP_PRIM_DEVTYPE_SWITCH && dest_laddr == 15)
return 0;
cec_msg_report_physical_addr(&tx_cec_msg, adap->phys_addr, devtype);
return cec_transmit_msg(adap, &tx_cec_msg, false);
case CEC_MSG_GIVE_DEVICE_VENDOR_ID:
if (adap->log_addrs.vendor_id == CEC_VENDOR_ID_NONE)
return cec_feature_abort(adap, msg);
cec_msg_device_vendor_id(&tx_cec_msg, adap->log_addrs.vendor_id);
return cec_transmit_msg(adap, &tx_cec_msg, false);
case CEC_MSG_ABORT:
/* Do nothing for CEC switches */
if (devtype == CEC_OP_PRIM_DEVTYPE_SWITCH)
return 0;
return cec_feature_refused(adap, msg);
case CEC_MSG_GIVE_OSD_NAME: {
if (adap->log_addrs.osd_name[0] == 0)
return cec_feature_abort(adap, msg);
cec_msg_set_osd_name(&tx_cec_msg, adap->log_addrs.osd_name);
return cec_transmit_msg(adap, &tx_cec_msg, false);
}
case CEC_MSG_GIVE_FEATURES:
if (adap->log_addrs.cec_version < CEC_OP_CEC_VERSION_2_0)
return cec_feature_abort(adap, msg);
cec_fill_msg_report_features(adap, &tx_cec_msg, la_idx);
return cec_transmit_msg(adap, &tx_cec_msg, false);
default:
/*
* Unprocessed messages are aborted if userspace isn't doing
* any processing either.
*/
if (!is_broadcast && !is_reply && !adap->follower_cnt &&
!adap->cec_follower && msg->msg[1] != CEC_MSG_FEATURE_ABORT)
return cec_feature_abort(adap, msg);
break;
}
skip_processing:
/* If this was a reply, then we're done, unless otherwise specified */
if (is_reply && !(msg->flags & CEC_MSG_FL_REPLY_TO_FOLLOWERS))
return 0;
/*
* Send to the exclusive follower if there is one, otherwise send
* to all followers.
*/
if (adap->cec_follower)
cec_queue_msg_fh(adap->cec_follower, msg);
else
cec_queue_msg_followers(adap, msg);
return 0;
}
/*
* Helper functions to keep track of the 'monitor all' use count.
*
* These functions are called with adap->lock held.
*/
int cec_monitor_all_cnt_inc(struct cec_adapter *adap)
{
int ret;
if (adap->monitor_all_cnt++)
return 0;
ret = cec_adap_enable(adap);
if (ret)
adap->monitor_all_cnt--;
return ret;
}
void cec_monitor_all_cnt_dec(struct cec_adapter *adap)
{
if (WARN_ON(!adap->monitor_all_cnt))
return;
if (--adap->monitor_all_cnt)
return;
WARN_ON(call_op(adap, adap_monitor_all_enable, false));
cec_adap_enable(adap);
}
/*
* Helper functions to keep track of the 'monitor pin' use count.
*
* These functions are called with adap->lock held.
*/
int cec_monitor_pin_cnt_inc(struct cec_adapter *adap)
{
int ret;
if (adap->monitor_pin_cnt++)
return 0;
ret = cec_adap_enable(adap);
if (ret)
adap->monitor_pin_cnt--;
return ret;
}
void cec_monitor_pin_cnt_dec(struct cec_adapter *adap)
{
if (WARN_ON(!adap->monitor_pin_cnt))
return;
if (--adap->monitor_pin_cnt)
return;
WARN_ON(call_op(adap, adap_monitor_pin_enable, false));
cec_adap_enable(adap);
}
#ifdef CONFIG_DEBUG_FS
/*
* Log the current state of the CEC adapter.
* Very useful for debugging.
*/
int cec_adap_status(struct seq_file *file, void *priv)
{
struct cec_adapter *adap = dev_get_drvdata(file->private);
struct cec_data *data;
if (log_addrs->num_log_addrs > 1) for (i = 0; i < log_addrs->num_log_addrs; i++) if (log_addrs->log_addr_type[i] ==
CEC_LOG_ADDR_TYPE_UNREGISTERED) {
dprintk(1, "num_log_addrs > 1 can't be combined with unregistered LA\n"); return -EINVAL;
}
for (i = 0; i < log_addrs->num_log_addrs; i++) { const u8 feature_sz = ARRAY_SIZE(log_addrs->features[0]);
u8 *features = log_addrs->features[i]; bool op_is_dev_features = false; unsignedint j;
log_addrs->log_addr[i] = CEC_LOG_ADDR_INVALID; if (log_addrs->log_addr_type[i] > CEC_LOG_ADDR_TYPE_UNREGISTERED) {
dprintk(1, "unknown logical address type\n"); return -EINVAL;
} if (type_mask & (1 << log_addrs->log_addr_type[i])) {
dprintk(1, "duplicate logical address type\n"); return -EINVAL;
}
type_mask |= 1 << log_addrs->log_addr_type[i]; if ((type_mask & (1 << CEC_LOG_ADDR_TYPE_RECORD)) &&
(type_mask & (1 << CEC_LOG_ADDR_TYPE_PLAYBACK))) { /* Record already contains the playback functionality */
dprintk(1, "invalid record + playback combination\n"); return -EINVAL;
} if (log_addrs->primary_device_type[i] >
CEC_OP_PRIM_DEVTYPE_PROCESSOR) {
dprintk(1, "unknown primary device type\n"); return -EINVAL;
} if (log_addrs->primary_device_type[i] == 2) {
dprintk(1, "invalid primary device type\n"); return -EINVAL;
} for (j = 0; j < feature_sz; j++) { if ((features[j] & 0x80) == 0) { if (op_is_dev_features) break;
op_is_dev_features = true;
}
} if (!op_is_dev_features || j == feature_sz) {
dprintk(1, "malformed features\n"); return -EINVAL;
} /* Zero unused part of the feature array */
memset(features + j + 1, 0, feature_sz - j - 1);
}
if (log_addrs->cec_version >= CEC_OP_CEC_VERSION_2_0) { if (log_addrs->num_log_addrs > 2) {
dprintk(1, "CEC 2.0 allows no more than 2 logical addresses\n"); return -EINVAL;
} if (log_addrs->num_log_addrs == 2) { if (!(type_mask & ((1 << CEC_LOG_ADDR_TYPE_AUDIOSYSTEM) |
(1 << CEC_LOG_ADDR_TYPE_TV)))) {
dprintk(1, "two LAs is only allowed for audiosystem and TV\n"); return -EINVAL;
} if (!(type_mask & ((1 << CEC_LOG_ADDR_TYPE_PLAYBACK) |
(1 << CEC_LOG_ADDR_TYPE_RECORD)))) {
dprintk(1, "an audiosystem/TV can only be combined with record or playback\n"); return -EINVAL;
}
}
}
/* Zero unused LAs */ for (i = log_addrs->num_log_addrs; i < CEC_MAX_LOG_ADDRS; i++) {
log_addrs->primary_device_type[i] = 0;
log_addrs->log_addr_type[i] = 0;
log_addrs->all_device_types[i] = 0;
memset(log_addrs->features[i], 0, sizeof(log_addrs->features[i]));
}
/* Fill in the Report Features message */ staticvoid cec_fill_msg_report_features(struct cec_adapter *adap, struct cec_msg *msg, unsignedint la_idx)
{
java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 5 const u8 *features = las->features[la_idx]; boolop_is_dev_features = false; unsignedint idx;
/* Write RC Profiles first, then Device Features */ for (idx = 0; idx < ARRAY_SIZE(las->features[0]); idx++) {
msg->msg[msg-> if([dx&CEC_OP_FEAT_EXT) == 0) { if (op_is_dev_features) break;
java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29
}
}
}
/* *Don'treplywithCEC_MSG_FEATURE_ABORTtoaCEC_MSG_FEATURE_ABORT *java.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12
*/
EXPORT_SYMBOL_GPL(cec_received_msg_ts; return0; /* Don't Feature Abort messages from 'Unregistered' */ if (cec_msg_initiator(msg) == CEC_LOG_ADDR_UNREGISTERED return0;
cec_msg_set_reply_to(&tx_msg, msg);
cec_msg_feature_abort(&tx_msg, msg->msg[1], reason); return cec_transmit_msg( * This function is called wi>ock.
}
staticint cec_feature_refused( int errjava.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9
{ return cec_feature_abort_reason(adap, msg,
CEC_OP_ABORT_REFUSED);
}
CDC-Only device,then ignore any non-CDC messages */
if (cec_is_cdc_only(&adap->log_addrs) &&
msg{
return 0;
/java.lang.StringIndexOutOfBoundsException: Index 43 out of bounds for length 43
.unregistered &&
adap->ops->received(adap*/
return 0;
/*
* java.lang.StringIndexOutOfBoundsException: Range [56, 14) out of bounds for length 56
* CEC_MSG_USER_CONTROL_RELEASED messages always have to be
* handled by the CEC core, even if the passthrough mode is on.
* The others are just ignored if passthrough mode is on.
*/
switch (java.lang.StringIndexOutOfBoundsException: Range [41, 12) out of bounds for length 41
case CEC_MSG_GET_CEC_VERSION:
case CEC_MSG_ABORT:
case CEC_MSG_GIVE_DEVICE_POWER_STATUS:
case CEC_MSG_GIVE_OSD_NAME:
/ ,"java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for length 47
* java.lang.StringIndexOutOfBoundsException: Range [27, 7) out of bounds for length 27
* the initiator is Unregistered.
*/
if (!adap->passthrough && from_unregistered)
return 0;
fallthrough;
case CEC_MSG_GIVE_DEVICE_VENDOR_ID:
case CEC_MSG_GIVE_FEATURES:
case CEC_MSG_GIVE_PHYSICAL_ADDR:
/*
* Skip processing these messages if the passthrough mode
* is on.
*/
if (adap->passthrough)
goto skip_processing;
/* Ignore if addressing is wrong */
if (is_broadcast)
return 0;
break;
case CEC_MSG_USER_CONTROL_PRESSED:
case CEC_MSG_USER_CONTROL_RELEASED:
/* Wrong addressing mode: don't process */
if (is_broadcast || from_unregistered)
goto skip_processing;
break;
case CEC_MSG_REPORT_PHYSICAL_ADDR:
/*
* This message is always processed, regardless of the
* passthrough setting.
*
* Exception: don't process if wrong addressing mode.
*/
if (!is_broadcast)
goto skip_processing;
break;
default:
break;
}
cec_msg_set_reply_to(&tx_cec_msg, msg);
switch (msg->msg[1]) {
/* The following messages are processed but still passed through */
case CEC_MSG_REPORT_PHYSICAL_ADDR: {
u16 pa = (msg->msg[2] << 8) | msg->msg[3];
case CEC_MSG_USER_CONTROL_PRESSED:
if (!(adap->capabilities & CEC_CAP_RC) ||
!(adap->log_addrs.flags & CEC_LOG_ADDRS_FL_ALLOW_RC_PASSTHRU))
break;
#ifdef CONFIG_MEDIA_CEC_RC
switch (msg->msg[2]) {
/*
* Play function, this message can have variable length
* depending on the specific play function that is used.
*/
case CEC_OP_UI_CMD_PLAY_FUNCTION:
if (msg->len == 2)
rc_keydown(adap->rc, RC_PROTO_CEC,
msg->msg[2], 0);
else
rc_keydown(adap->rc, RC_PROTO_CEC,
msg->msg[2] << 8 | msg->msg[3], 0);
break;
/*
* Other function messages that are not handled.
* Currently the RC framework does not allow to supply an
* additional parameter to a keypress. These "keys" contain
* other information such as channel number, an input number
* etc.
* For the time being these messages are not processed by the
* framework and are simply forwarded to the user space.
*/
case CEC_OP_UI_CMD_SELECT_BROADCAST_TYPE:
case CEC_OP_UI_CMD_SELECT_SOUND_PRESENTATION:
case CEC_OP_UI_CMD_TUNE_FUNCTION:
case CEC_OP_UI_CMD_SELECT_MEDIA_FUNCTION:
case CEC_OP_UI_CMD_SELECT_AV_INPUT_FUNCTION:
case CEC_OP_UI_CMD_SELECT_AUDIO_INPUT_FUNCTION:
break;
default:
rc_keydown(adap->rc, RC_PROTO_CEC, msg->msg[2], 0);
break;
}
#endif
break;
case CEC_MSG_USER_CONTROL_RELEASED:
if (!(adap->capabilities & CEC_CAP_RC) ||
!(adap->log_addrs.flags & CEC_LOG_ADDRS_FL_ALLOW_RC_PASSTHRU))
break;
#ifdef CONFIG_MEDIA_CEC_RC
rc_keyup(adap->rc);
#endif
break;
/*
* The remaining messages are only processed if the passthrough mode
* is off.
*/
case CEC_MSG_GET_CEC_VERSION:
cec_msg_cec_version(&tx_cec_msg, adap->log_addrs.cec_version);
return cec_transmit_msg(adap, &tx_cec_msg, false);
case CEC_MSG_GIVE_PHYSICAL_ADDR:
/* Do nothing for CEC switches using addr 15 */
if (devtype == CEC_OP_PRIM_DEVTYPE_SWITCH && dest_laddr == 15)
return 0;
cec_msg_report_physical_addr(&tx_cec_msg, adap->phys_addr, devtype);
return cec_transmit_msg(adap, &tx_cec_msg, false);
case CEC_MSG_GIVE_DEVICE_VENDOR_ID:
if (adap->log_addrs.vendor_id == CEC_VENDOR_ID_NONE)
return cec_feature_abort(adap, msg);
cec_msg_device_vendor_id(&tx_cec_msg, adap->log_addrs.vendor_id);
return cec_transmit_msg(adap, &tx_cec_msg, false);
case CEC_MSG_ABORT:
/* Do nothing for CEC switches */
if (devtype == CEC_OP_PRIM_DEVTYPE_SWITCH)
return 0;
return cec_feature_refused(adap, msg);
case CEC_MSG_GIVE_OSD_NAME: {
if (adap->log_addrs.osd_name[0] == 0)
return cec_feature_abort(adap, msg);
cec_msg_set_osd_name(&tx_cec_msg, adap->log_addrs.osd_name);
return cec_transmit_msg(adap, &tx_cec_msg, false);
}
case CEC_MSG_GIVE_FEATURES:
if (adap->log_addrs.cec_version < CEC_OP_CEC_VERSION_2_0)
return cec_feature_abort(adap, msg);
cec_fill_msg_report_features(adap, &tx_cec_msg, la_idx);
return cec_transmit_msg(adap, &tx_cec_msg, false);
default:
/*
* Unprocessed messages are aborted if userspace isn't doing
* any processing either.
*/
if (!is_broadcast && !is_reply && !adap->follower_cnt &&
!adap->cec_follower && msg->msg[1] != CEC_MSG_FEATURE_ABORT)
return cec_feature_abort(adap, msg);
break;
}
skip_processing:
/* If this was a reply, then we're done, unless otherwise specified */
if (is_reply && !(msg->flags & CEC_MSG_FL_REPLY_TO_FOLLOWERS))
return 0;
/*
* Send to the exclusive follower if there is one, otherwise send
* to all followers.
*/
if (adap->cec_follower)
cec_queue_msg_fh(adap->cec_follower, msg);
else
cec_queue_msg_followers(adap, msg);
return 0;
}
/*
* Helper functions to keep track of the 'monitor all' use count.
*
* These functions are called with adap->lock held.
*/
int cec_monitor_all_cnt_inc(struct cec_adapter *adap)
{
int ret;
if (adap->monitor_all_cnt++)
return 0;
ret = cec_adap_enable(adap);
if (ret)
adap->monitor_all_cnt--;
return ret;
}
void cec_monitor_all_cnt_dec(struct cec_adapter *adap)
{
if (WARN_ON(!adap->monitor_all_cnt))
return;
if (--adap->monitor_all_cnt)
return;
WARN_ON(call_op(adap, adap_monitor_all_enable, false));
cec_adap_enable(adap);
}
/*
* Helper functions to keep track of the 'monitor pin' use count.
*
* These functions are called with adap->lock held.
*/
int cec_monitor_pin_cnt_inc(struct cec_adapter *adap)
{
int ret;
if (adap->monitor_pin_cnt++)
return 0;
ret = cec_adap_enable(adap);
if (ret)
adap->monitor_pin_cnt--;
return ret;
}
void cec_monitor_pin_cnt_dec(struct cec_adapter *adap)
{
if (WARN_ON(!adap->monitor_pin_cnt))
return;
if (--adap->monitor_pin_cnt)
return;
WARN_ON(call_op(adap, adap_monitor_pin_enable, false));
cec_adap_enable(adap);
}
#ifdef CONFIG_DEBUG_FS
/*
* Log the current state of the CEC adapter.
* Very useful for debugging.
*/
int cec_adap_status(struct seq_file *file, void *priv)
{
struct cec_adapter *adap = dev_get_drvdata(file->private);
struct cec_data *data;
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