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Quelle f_uac1.c Sprache: C |
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// SPDX-License-Identifier: GPL-2.0+ /* * f_uac1.c -- USB Audio Class 1.0 Function (using u_audio API) * * Copyright (C) 2016 Ruslan Bilovol <ruslan.bilovol@gmail.com> * Copyright (C) 2021 Julian Scheel <julian@jusst.de> * * This driver doesn't expect any real Audio codec to be present * on the device - the audio streams are simply sinked to and * sourced from a virtual ALSA sound card created. * * This file is based on f_uac1.c which is * Copyright (C) 2008 Bryan Wu <cooloney@kernel.org> * Copyright (C) 2008 Analog Devices, Inc */ #include <linux/usb/audio.h> #include <linux/module.h> #include "u_audio.h" #include "u_uac1.h" /* UAC1 spec: 3.7.2.3 Audio Channel Cluster Format */ #define UAC1_CHANNEL_MASK 0x0FFF #define USB_OUT_FU_ID (out_feature_unit_desc->bUnitID) #define USB_IN_FU_ID (in_feature_unit_desc->bUnitID) #define EPIN_EN(_opts) ((_opts)->p_chmask != 0) #define EPOUT_EN(_opts) ((_opts)->c_chmask != 0) #define FUIN_EN(_opts) ((_opts)->p_mute_present \ || (_opts)->p_volume_present) #define FUOUT_EN(_opts) ((_opts)->c_mute_present \ || (_opts)->c_volume_present) struct f_uac1 { struct g_audio g_audio; u8 ac_intf, as_in_intf, as_out_intf; u8 ac_alt, as_in_alt, as_out_alt; /* needed for get_alt() */ struct usb_ctrlrequest setup_cr; /* will be used in data stage */ /* Interrupt IN endpoint of AC interface */ struct usb_ep *int_ep; atomic_t int_count; int ctl_id; /* EP id */ int c_srate; /* current capture srate */ int p_srate; /* current playback prate */ }; static inline struct f_uac1 *func_to_uac1(struct usb_function *f) { return container_of(f, struct f_uac1, g_audio.func); } static inline struct f_uac1_opts *g_audio_to_uac1_opts(struct g_audio *audio) { return container_of(audio->func.fi, struct f_uac1_opts, func_inst); } /* * DESCRIPTORS ... most are static, but strings and full * configuration descriptors are built on demand. */ /* * We have three interfaces - one AudioControl and two AudioStreaming * * The driver implements a simple UAC_1 topology. * USB-OUT -> IT_1 -> OT_2 -> ALSA_Capture * ALSA_Playback -> IT_3 -> OT_4 -> USB-IN */ /* B.3.1 Standard AC Interface Descriptor */ static struct usb_interface_descriptor ac_interface_desc = { .bLength = USB_DT_INTERFACE_SIZE, .bDescriptorType = USB_DT_INTERFACE, /* .bNumEndpoints = DYNAMIC */ .bInterfaceClass = USB_CLASS_AUDIO, .bInterfaceSubClass = USB_SUBCLASS_AUDIOCONTROL, }; /* B.3.2 Class-Specific AC Interface Descriptor */ static struct uac1_ac_header_descriptor *ac_header_desc; static struct uac_input_terminal_descriptor usb_out_it_desc = { .bLength = UAC_DT_INPUT_TERMINAL_SIZE, .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubtype = UAC_INPUT_TERMINAL, /* .bTerminalID = DYNAMIC */ .wTerminalType = cpu_to_le16(UAC_TERMINAL_STREAMING), .bAssocTerminal = 0, .wChannelConfig = cpu_to_le16(0x3), }; static struct uac1_output_terminal_descriptor io_out_ot_desc = { .bLength = UAC_DT_OUTPUT_TERMINAL_SIZE, .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubtype = UAC_OUTPUT_TERMINAL, /* .bTerminalID = DYNAMIC */ .wTerminalType = cpu_to_le16(UAC_OUTPUT_TERMINAL_SPEAKER), .bAssocTerminal = 0, /* .bSourceID = DYNAMIC */ }; static struct uac_input_terminal_descriptor io_in_it_desc = { .bLength = UAC_DT_INPUT_TERMINAL_SIZE, .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubtype = UAC_INPUT_TERMINAL, /* .bTerminalID = DYNAMIC */ .wTerminalType = cpu_to_le16(UAC_INPUT_TERMINAL_MICROPHONE), .bAssocTerminal = 0, .wChannelConfig = cpu_to_le16(0x3), }; static struct uac1_output_terminal_descriptor usb_in_ot_desc = { .bLength = UAC_DT_OUTPUT_TERMINAL_SIZE, .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubtype = UAC_OUTPUT_TERMINAL, /* .bTerminalID = DYNAMIC */ .wTerminalType = cpu_to_le16(UAC_TERMINAL_STREAMING), .bAssocTerminal = 0, /* .bSourceID = DYNAMIC */ }; static struct uac_feature_unit_descriptor *in_feature_unit_desc; static struct uac_feature_unit_descriptor *out_feature_unit_desc; /* AC IN Interrupt Endpoint */ static struct usb_endpoint_descriptor ac_int_ep_desc = { .bLength = USB_DT_ENDPOINT_SIZE, .bDescriptorType = USB_DT_ENDPOINT, .bEndpointAddress = USB_DIR_IN, .bmAttributes = USB_ENDPOINT_XFER_INT, .wMaxPacketSize = cpu_to_le16(2), .bInterval = 4, }; /* B.4.1 Standard AS Interface Descriptor */ static struct usb_interface_descriptor as_out_interface_alt_0_desc = { .bLength = USB_DT_INTERFACE_SIZE, .bDescriptorType = USB_DT_INTERFACE, .bAlternateSetting = 0, .bNumEndpoints = 0, .bInterfaceClass = USB_CLASS_AUDIO, .bInterfaceSubClass = USB_SUBCLASS_AUDIOSTREAMING, }; static struct usb_interface_descriptor as_out_interface_alt_1_desc = { .bLength = USB_DT_INTERFACE_SIZE, .bDescriptorType = USB_DT_INTERFACE, .bAlternateSetting = 1, .bNumEndpoints = 1, .bInterfaceClass = USB_CLASS_AUDIO, .bInterfaceSubClass = USB_SUBCLASS_AUDIOSTREAMING, }; static struct usb_interface_descriptor as_in_interface_alt_0_desc = { .bLength = USB_DT_INTERFACE_SIZE, .bDescriptorType = USB_DT_INTERFACE, .bAlternateSetting = 0, .bNumEndpoints = 0, .bInterfaceClass = USB_CLASS_AUDIO, .bInterfaceSubClass = USB_SUBCLASS_AUDIOSTREAMING, }; static struct usb_interface_descriptor as_in_interface_alt_1_desc = { .bLength = USB_DT_INTERFACE_SIZE, .bDescriptorType = USB_DT_INTERFACE, .bAlternateSetting = 1, .bNumEndpoints = 1, .bInterfaceClass = USB_CLASS_AUDIO, .bInterfaceSubClass = USB_SUBCLASS_AUDIOSTREAMING, }; /* B.4.2 Class-Specific AS Interface Descriptor */ static struct uac1_as_header_descriptor as_out_header_desc = { .bLength = UAC_DT_AS_HEADER_SIZE, .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubtype = UAC_AS_GENERAL, /* .bTerminalLink = DYNAMIC */ .bDelay = 1, .wFormatTag = cpu_to_le16(UAC_FORMAT_TYPE_I_PCM), }; static struct uac1_as_header_descriptor as_in_header_desc = { .bLength = UAC_DT_AS_HEADER_SIZE, .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubtype = UAC_AS_GENERAL, /* .bTerminalLink = DYNAMIC */ .bDelay = 1, .wFormatTag = cpu_to_le16(UAC_FORMAT_TYPE_I_PCM), }; DECLARE_UAC_FORMAT_TYPE_I_DISCRETE_DESC(UAC_MAX_RATES); #define uac_format_type_i_discrete_descriptor \ uac_format_type_i_discrete_descriptor_##UAC_MAX_RATES static struct uac_format_type_i_discrete_descriptor as_out_type_i_desc = { .bLength = 0, /* filled on rate setup */ .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubtype = UAC_FORMAT_TYPE, .bFormatType = UAC_FORMAT_TYPE_I, .bSubframeSize = 2, .bBitResolution = 16, .bSamFreqType = 0, /* filled on rate setup */ }; /* Standard ISO OUT Endpoint Descriptor */ static struct usb_endpoint_descriptor as_out_ep_desc = { .bLength = USB_DT_ENDPOINT_AUDIO_SIZE, .bDescriptorType = USB_DT_ENDPOINT, .bEndpointAddress = USB_DIR_OUT, .bmAttributes = USB_ENDPOINT_SYNC_ADAPTIVE | USB_ENDPOINT_XFER_ISOC, .wMaxPacketSize = cpu_to_le16(UAC1_OUT_EP_MAX_PACKET_SIZE), .bInterval = 4, }; /* Class-specific AS ISO OUT Endpoint Descriptor */ static struct uac_iso_endpoint_descriptor as_iso_out_desc = { .bLength = UAC_ISO_ENDPOINT_DESC_SIZE, .bDescriptorType = USB_DT_CS_ENDPOINT, .bDescriptorSubtype = UAC_EP_GENERAL, .bmAttributes = 1, .bLockDelayUnits = 1, .wLockDelay = cpu_to_le16(1), }; static struct uac_format_type_i_discrete_descriptor as_in_type_i_desc = { .bLength = 0, /* filled on rate setup */ .bDescriptorType = USB_DT_CS_INTERFACE, .bDescriptorSubtype = UAC_FORMAT_TYPE, .bFormatType = UAC_FORMAT_TYPE_I, .bSubframeSize = 2, .bBitResolution = 16, .bSamFreqType = 0, /* filled on rate setup */ }; /* Standard ISO OUT Endpoint Descriptor */ static struct usb_endpoint_descriptor as_in_ep_desc = { .bLength = USB_DT_ENDPOINT_AUDIO_SIZE, .bDescriptorType = USB_DT_ENDPOINT, .bEndpointAddress = USB_DIR_IN, .bmAttributes = USB_ENDPOINT_SYNC_ASYNC | USB_ENDPOINT_XFER_ISOC, .wMaxPacketSize = cpu_to_le16(UAC1_OUT_EP_MAX_PACKET_SIZE), .bInterval = 4, }; /* Class-specific AS ISO OUT Endpoint Descriptor */ static struct uac_iso_endpoint_descriptor as_iso_in_desc = { .bLength = UAC_ISO_ENDPOINT_DESC_SIZE, .bDescriptorType = USB_DT_CS_ENDPOINT, .bDescriptorSubtype = UAC_EP_GENERAL, .bmAttributes = 1, .bLockDelayUnits = 0, .wLockDelay = 0, }; static struct usb_descriptor_header *f_audio_desc[] = { (struct usb_descriptor_header *)&ac_interface_desc, (struct usb_descriptor_header *)&ac_header_desc, (struct usb_descriptor_header *)&usb_out_it_desc, (struct usb_descriptor_header *)&io_out_ot_desc, (struct usb_descriptor_header *)&out_feature_unit_desc, (struct usb_descriptor_header *)&io_in_it_desc, (struct usb_descriptor_header *)&usb_in_ot_desc, (struct usb_descriptor_header *)&in_feature_unit_desc, (struct usb_descriptor_header *)&ac_int_ep_desc, (struct usb_descriptor_header *)&as_out_interface_alt_0_desc, (struct usb_descriptor_header *)&as_out_interface_alt_1_desc, (struct usb_descriptor_header *)&as_out_header_desc, (struct usb_descriptor_header *)&as_out_type_i_desc, (struct usb_descriptor_header *)&as_out_ep_desc, (struct usb_descriptor_header *)&as_iso_out_desc, (struct usb_descriptor_header *)&as_in_interface_alt_0_desc, (struct usb_descriptor_header *)&as_in_interface_alt_1_desc, (struct usb_descriptor_header *)&as_in_header_desc, (struct usb_descriptor_header *)&as_in_type_i_desc, (struct usb_descriptor_header *)&as_in_ep_desc, (struct usb_descriptor_header *)&as_iso_in_desc, NULL, }; /* Standard ISO OUT Endpoint Descriptor */ static struct usb_endpoint_descriptor ss_as_out_ep_desc = { .bLength = USB_DT_ENDPOINT_AUDIO_SIZE, .bDescriptorType = USB_DT_ENDPOINT, .bEndpointAddress = USB_DIR_OUT, .bmAttributes = USB_ENDPOINT_SYNC_ADAPTIVE | USB_ENDPOINT_XFER_ISOC, .wMaxPacketSize = cpu_to_le16(UAC1_OUT_EP_MAX_PACKET_SIZE), .bInterval = 4, }; static struct usb_ss_ep_comp_descriptor ss_as_out_ep_desc_comp = { .bLength = sizeof(ss_as_out_ep_desc_comp), .bDescriptorType = USB_DT_SS_ENDPOINT_COMP, .bMaxBurst = 0, .bmAttributes = 0, /* wBytesPerInterval = DYNAMIC */ }; /* Standard ISO OUT Endpoint Descriptor */ static struct usb_endpoint_descriptor ss_as_in_ep_desc = { .bLength = USB_DT_ENDPOINT_AUDIO_SIZE, .bDescriptorType = USB_DT_ENDPOINT, .bEndpointAddress = USB_DIR_IN, .bmAttributes = USB_ENDPOINT_SYNC_ASYNC | USB_ENDPOINT_XFER_ISOC, .wMaxPacketSize = cpu_to_le16(UAC1_OUT_EP_MAX_PACKET_SIZE), .bInterval = 4, }; static struct usb_ss_ep_comp_descriptor ss_as_in_ep_desc_comp = { .bLength = sizeof(ss_as_in_ep_desc_comp), .bDescriptorType = USB_DT_SS_ENDPOINT_COMP, .bMaxBurst = 0, .bmAttributes = 0, /* wBytesPerInterval = DYNAMIC */ }; static struct usb_descriptor_header *f_audio_ss_desc[] = { (struct usb_descriptor_header *)&ac_interface_desc, (struct usb_descriptor_header *)&ac_header_desc, (struct usb_descriptor_header *)&usb_out_it_desc, (struct usb_descriptor_header *)&io_out_ot_desc, (struct usb_descriptor_header *)&io_in_it_desc, (struct usb_descriptor_header *)&usb_in_ot_desc, (struct usb_descriptor_header *)&as_out_interface_alt_0_desc, (struct usb_descriptor_header *)&as_out_interface_alt_1_desc, (struct usb_descriptor_header *)&as_out_header_desc, (struct usb_descriptor_header *)&as_out_type_i_desc, //(struct usb_descriptor_header *)&as_out_ep_desc, (struct usb_descriptor_header *)&ss_as_out_ep_desc, (struct usb_descriptor_header *)&ss_as_out_ep_desc_comp, (struct usb_descriptor_header *)&as_iso_out_desc, (struct usb_descriptor_header *)&as_in_interface_alt_0_desc, (struct usb_descriptor_header *)&as_in_interface_alt_1_desc, (struct java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for len (struct usb_descriptor_header *)&as_in_type_i_desc, //(struct usb_descriptor_header *)&as_in_ep_desc, (struct usb_descriptor_header *)&ss_as_in_ep_desc, (structusb_descriptor_header *)&ss_as_in_ep_desc_comp, (struct usb_descriptor_header *)&as_iso_in_desc, NULL, }; enum { STR_AC_IF, STR_USB_OUT_IT, STR_USB_OUT_IT_CH_NAMES, STR_IO_OUT_OT, STR_IO_IN_IT, STR_IO_IN_IT_CH_NAMES, STR_USB_IN_OT, STR_FU_IN, STR_FU_OUT, STR_AS_OUT_IF_ALT0 STR_AS_OUT_IF_ALT1, STR_AS_IN_IF_ALT0, STR_AS_IN_IF_ALT1, NUM_STR_DESCRIPTORS, }; static struct usb_string * onthedevice - the audio streams are simply sinked to and static struct sourced avirtualALSAsoundcardcreated. .language = 0x0409, /* en-us */ .strings = strings_uac1, }; static struct usb_gadget_strings *uac1_strings[] = { &str_uac1, NULL, }; /* * This function is an ALSA sound card following USB Audio Class Spec 1.0. */ static void uac_cs_attr_sample_rate*/ { *fn -driver_data; struct usb_composite_dev *cdev = fn->config->cdev; java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 fn)java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length u8 *uf u8req->uf; u32 val = 0; (->actual ! 3){ WARN(cdev, "Invalid datajava.lang.StringIndexOutOfBoundsException: Index 0 out of return; } valFUIN_EN(_opts (opts)>p_mute_present\ if (uac1->ctl_id |(opts- >java.lang.StringIndexOutOfBoundsException: Range [16, 15) out of bounds for leng java.lang.StringIndexOutOfBoundsException: Range [35, 28) out of bounds for leng } else uac1- java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of bounds for l int c_srate; /* current capture srate */ } } static structf_uac1 *unc_to_uac1usb_function *f) { struct (,struct , .func; structf_uac1 = func_to_uac1&audiof) atomic_dec(&uac1->int_count kfreereq>java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for le java.lang.StringIndexOutOfBoundsException: Range [22, 20) out of bounds for leng } static int audio_notify(struct g_audio *audio, int unit_id, int cs) { struct f_uac1 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for struct usb_request *req; struct uac1_status_word *msg; int ret; if (!uac1->int_ep->enabled) return 0; if (atomic_inc_return(&uac1->int_count) > UAC1_DEF_INT_REQ_NUM) { atomic_dec * return 0; } req=usb_ep_alloc_request(uac1->int_ep, GFP_ATOMIC); if (req == NULL) { =-ENOMEM goto err_dec_int_count; } msg = * ALSA_Playback - OT_4- USBIN if (msg == NULL) { ret = -ENOMEM; goto java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length } IRQ_PENDING UAC1_STATUS_TYPE_ORIG_AUDIO_CONTROL_IFjava.lang.StringIndexOutOfBoundsException: msg; req->static struct*; req->buf = msg; ->ontext ; req-complete ; ret = usb_ep_queue(. =UAC_INPUT_TERMINAL, .TerminalType=cpu_to_le16UAC_TERMINAL_STREAMINGjava.lang.StringIndexOutOfBoundsE err_free_msg 0; err_free_msg bLength=UAC_DT_OUTPUT_TERMINAL_SIZE kfree(); java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for leng usb_ep_free_request(uac1->int_ep, req); : atomic_dec(&uac1->int_count /* .bSourceID = DYNAMIC */ return bLength =UAC_DT_INPUT_TERMINAL_SIZE } static wTerminalType cpu_to_le16UAC_INPUT_TERMINAL_MICROPHONEjava.lang.StringIndexOutOfB { }java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 struct g_audio *audio = func_to_g_audio(fn); struct f_uac1_opts * =g_audio_to_uac1_optsaudio) u16 w_length =le16_to_cpucr-wLength; u16 w_index = le16_to_cpu(cr->.bDescriptorSubtype = UAC_OUTPUT_TERMI = (AC_TERMINAL_STREAMING = (w_index > 8 x; u8 control_selector =w_value > ; int value = -EOPNOTSUPP; staticstruct *in_feature_unit_desc UT_ENopts &(ntity_id= USB_OUT_FU_ID) unsigned (opts &(=) java.lang.StringIndexOutOfBoundsException: Range [33, 32) out of bounds for leng if =()java.lang.StringIndexOutOfBoundsException: Index 34 out of bounds for leng java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 u_audio_get_mutenterface_descriptor as_out_interface_alt_0_desc = { *(u8 *)req bLength =java.lang.StringIndexOutOfBoundsException: Range [35, 34) out o structjava.lang.StringIndexOutOfBoundsException: Range [39, 38) out of bounds fo } if( =UAC_FU_VOLUME __le16 c bAlternateSetting 1 s16volume u_audio_get_volume(audio, is_playback, } c = cpu_to_le16volumejava.lang.StringIndexOutOfBoundsException: Index 27 out of bo value = bAlternateSetting , memcpy(req->buf, &c, valuebNumEndpoints=0 } , dev_errstaticstruct as_in_interface_alt_1_desc={ "%s bLength _,_LINE__ control_selector; } } elsebNumEndpoints , ->->dev dcontrol_selector% TODO!n, java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 } return value; } static int n_rq_minstruct *fn, constusb_ctrlrequestcr { structusb_request* =fn>config->dev->req struct g_audio* =func_to_g_audio(); struct f_uac1_opts; u16java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 u16 w_index java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bound java.lang.StringIndexOutOfBoundsException: Range [10, 8) out of bounds for lengt u8 entity_id = (w_index >> 8). ,/* filled on rate setup */ u8 java.lang.StringIndexOutOfBoundsException: Range [35, 34) out of bounds for le java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for leng ifjava.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds for le (UOUT_EN)& = ) java.lang.StringIndexOutOfBoundsException: Index 54 out of bound unsigned. , if (FUIN_EN(opts) && (entity_id == USB_IN_FU_ID)) java.lang.StringIndexOutOfBoundsException: Range [31, 30) out of bounds for leng if java.lang.StringIndexOutOfBoundsException: Range [40, 39) out of bounds for le java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for leng min_db; uac_format_type_i_discrete_descriptor as_in_type_i_desc ={ bLength 0 else. =, min_db =opts->c_volume_min; r = cpu_to_le16(min_db); value = min_tstatic java.lang.StringIndexOutOfBoundsException: Range [38, 37) out o memcpy(req->buf, &r, value); } .bLength , dev_err(&audio->gadget->dev, "s:%d control_selector=d TODO!\n", __struct usb_descriptor_header *)&ac_interface_desc, } } else { dev_err(&audio-> (struct usb_descriptor_ *&ut_feature_unit_desc "% (stru usb_descriptor_header*&in_feature_unit_desc, _func__, _LINE__,entity_id,control_selector) java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 ; } static int (structusb_descriptor_header *as_in_interface_alt_1_desc { struct *req =fn->onfig->cdev-req; struct struct java.lang.StringIndexOutOfBoundsException: Range [14, 13) out of bounds fo java.lang.StringIndexOutOfBoundsException: Range [20, 17) out of bounds for leng u16 w_index le16_to_cpu(cr-wIndex); java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for leng u8 STR_AS_IN_IF_ALT1, ; int value = -EOPNOTSUPP; if ((FUIN_EN(optsjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds java.lang.StringIndexOutOfBoundsException: Range [34, 32) out of bounds for leng unsigned int is_playback = 0; (UIN_ENopts) & entity_id =USB_IN_FU_ID)) is_playback = 1; if (struct f_uac1=java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of _e16 r; val =buf[0] |(buf[]< )|(uf]< 16; if ( uac1- =val; max_db static audio_notify_complete( *,struct usb_request *req) else max_db = opts->_olume_max; r = cpu_to_le16(max_db); value = min_t(unsigned int, w_length, java.lang.StringIndexOutOfBoundsException: Inde (-buf,r ; } else java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length dev_err(&audio-> goto err_dec_int_count; "s% control_selector=d !\n", _ goto ; java.lang.StringIndexOutOfBoundsException: Index 3 out of bounds for length 3 (msg; dev_err(a-gadget->ev, "s% =% control_selector% TODO!\n"java.lang.StringIndexOutOfBoundsException: Index 5 err_dec_int_countjava.lang.StringIndexOutOfBoundsException: Index 18 out of boun }ret; in_rq_cur( usb_function fn const struct usb_ctrlrequest *r) } static ( usb_function*n, usb_ctrlrequest*r) { -c-req struct g_audio *audio & ) java.lang.StringIndexOutOfBoundsException: Index 54 ou java.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for leng u16 w_length = int mute; (udio,is_playback m); u16 *(u8 *)req>buf = mute; u8 entity_id = (w_index >> 8) } else if control_selector = UAC_FU_VOLUME) { u8 dev_err(&audio->gadget->dev, -java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of bounds for len (() & ( = USB_IN_FU_ID) | int structusb_request * >config-->req; = 1 (ontrol_selector =UAC_FU_VOLUME){ rjava.lang.StringIndexOutOfBoundsException: Index 12 out of bounds for length 12 s16 res_db; if (is_playback) =EOPNOTSUPP; else res_db = opts- (opts)& entity_id ==USB_OUT_FU_ID)) java.lang.StringIndexOutOfBoun r = min_db -java.lang.StringIndexOutOfBoundsException: Range [32, 31) out of bounds (nsigned int, w_length, sizeof(r)); dev_err&audio->->, { } else java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length "%s:% __func_,_, entity_id,control_selector; _ _,control_selector)java.lang.StringIndexOutOfBoundsException: Index 42 out of b } }else { dev_err(&audio->gadget->dev, "s%entity_id=%d djava.lang.StringIndexOutOfBoundsException: Range [48, 47) out of __unc__ _LINE__,entity_id,control_selector); } return value; java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 static if FUIN_EN(pts) & entity_id = )) (struct *p, struct usb_request *eq) { struct r java.lang.StringIndexOutOfBoundsException: Range [25, 18) out of bounds f ->func.config>dev; * audio); struct f_uac1 * } *r=&ac1>setup_cr; u16 w_index = le16_to_cpu(cr- _func__,__INE__ entity_id, control_selector)java.lang.St u16 w_value= le16_to_cpu(cr->wValue); u8 entity_id = (w_index >> 8) & 0xff; u16 (-w) ->status ! 0){ dev_dbg(&cdev-> u8 control_selector = w_value >> 8; return; } if ((FUIN_EN(opts) && (entity_id == USB_IN_FU_ID)) || (FUOUT_EN(opts) && (entity_id == USB_OUT_FU_ID))) { unsigned int is_playback = 0; if (FUIN_EN(opts) && (entity_id == USB_IN_FU_ID)) is_playback = 1; if (control_selector == UAC_FU_MUTE) { u8 mute = *(u8 *)req->buf; u_audio_set_mute(audio, is_playback, return; java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for leng _ *=-b; s16 =opts>java.lang.StringIndexOutOfBoundsException: Index 32 out of bounds for l volume = le16_to_cpu memcpy(eq->,&r,value); _f, _LINE__,)java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds fo return; } else { dev_err(&audio->java.lang.StringIndexOutOfBoundsException: Index 23 out of b "%s:%d control_selector=%d TODOjava.lang.StringIndexOutOfBoundsException: Index 1 *ac1 (&-func); usb_ep_set_halt(ep); } } u8 contr=w_value >8java.lang.StringIndexOutOfBoundsException: Index 36 out of boun &udio->gadget-d, "%s:%d entity_id=%d control_selector=%d TODO!\n", __ unsignedint is_playback ; usb_ep_set_halt; } } static java.lang.StringIndexOutOfBoundsException: Range [11, 10) out of bounds for leng java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 struct usb_request *req = fn->config->cdev __le16 * = req->buf;; struct g_audio *audio = func_to_g_audio "%:dcontrol_selector=%d TODO!\n", "s:d =% %!\"java.lang.StringIndexOutOfBoundsException: Index 52 out of bounds for =java.lang.StringIndexOutOfBoundsException: Range [36, 35) out of bounds for len =c-w; u16 w_index = le16_to_cpu(cr->wIndex); u16 w_value = u16 w_length = le16_to_cpu-); =(>> 8)&0; u8 control_selector =java.lang.StringIndexOutOfBoundsException: Index 0 out of bou if(opts) &( = ))| (FUOUT_EN( return w_length; (uac1->etup_cr, cr,sizeof(*)) req->context = audio; req->complete int ( usb_function *, return w_length; } java.lang.StringIndexOutOfBoundsException: Index 9 out of bounds for length 9 dev_err(&audio->gadget-java.lang.StringIndexOutOfBoundsException: Index 0 ou "%s:%d entity_id=%d control_selector=%d TODO!\ ctrl>,,len )java.lang.StringIndexOutOfB java.lang.StringIndexOutOfBoundsException: Range [6, 5) out of bounds for length } return -java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for len } static int ( usb_function *, ) { struct * =f-config-; int = -EOPNOTSUPP; u8 ep = ((le16_to_cpu(ctrl->wIndex) >> 8) & 0xFF); u16 len = le16_to_cpu( ->Request,w_value,len,ep) u16 =le16_to_cpu(-)java.lang.StringIndexOutOfBoundsException: Index 41 out of bou DBG( UAC_SET_MIN: ->Request,w_value,len,ep); switch (ctrl->bRequest) { case UAC_GET_CUR: return in_rq_cur(f, ctrl break; case java.lang.StringIndexOutOfBoundsException: Index 13 out of bounds for length return in_rq_min(f, ctrl); case const usb_ctrlrequest ctrl) return usb_composite_dev *cdev=>-java.lang.StringIndexOutOfBoundsException: Index 5 w)java.lang.StringIndexOutOfBoundsException: Index 38 out of bounds for length 3 in_rq_res(f,ctrl)java.lang.StringIndexOutOfBoundsException: Index 28 out of boun case UAC_GET_MEM: break; case UAC_GET_STATcase : { value = len;USB_DIR_IN |2) break; buf[2 val >16 0xff; break; } return value; } ; _ctrlrequest *ctrl) { struct usb_composite_dev *cdev = f->config->cdev; struct ; struct f_uac1 *uac1 = java.lang.StringIndexOutOfBoundsException: Index 27 out of bou java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 0 (ctrl->wIndex); u16 len = le16_to_cpu(ctrl->wLength); u16 w_value = le16_to_cpu(ctrl->wValue int value =-; u8 cs = w_value >> 8;u8 DBG(cdev, "bRequest 0x%x, w_value 0 break; ctrljava.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for leng switch (ctrl->bRequest) { case :{ USB_DIR_IN|USB_TYPE_CLASS USB_RECIP_INTERFACE: cdev->gadget->java.lang.StringIndexOutOfBoundsException: Range [17, 20) out of bou -ctl_id =; req- java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length } value = len; break; } case > = alue; break; case UAC_SET_MAX: break; break; case UAC_SET_MEM: static int (struct usb_function ,unsigned , alt) default: break; } return value; } static int audio_get_endpoint_req(struct usb_function *f, const struct usb_ctrlrequest *ctrl) { struct usb_composite_dev *cdev = java.lang.StringIndexOutOfBoundsException: Range [0 config_ep_by_speed(,&-func,uac1-; struct f_uac1 *uac1 = func_to_uac1(f); buf u8 *)eq-buf; int value = -EOPNOTSUPP; u8 ep = le16_to_cpu(ctrl- else u16 -wLength; u16 w_value = le16_to_cpu(ctrl->wValue); uac1->as_in_alt = alt; ; u32 val java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for lengt DBG(cdev, "bRequest 0x%x, ctrl-bRequest,w_value,len,ep)java.lang.StringIndexOutOfBoundsException: Index 37 (ctrl->bRequest) { case UAC_GET_CUR: { if (s==UAC_EP_CS_ATTR_SAMPLE_RATE java.lang.StringIndexOutOfBoundsException: Index if (ep == (USB_DIR_IN else valjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 else if (ep == (java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds fo java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 buf[java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length bufjava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 buf[0] = val & 0xff; } value = len; break; } java.lang.StringIndexOutOfBoundsException: Index 18 out of bounds for length 18 case UAC_GET_MAX: case fu_desc->bLengthjava.lang.StringIndexOutOfBoundsException: Range [33, 32) ou fu_desc>java.lang.StringIndexOutOfBoundsException: Range [29, 28) out of bounds f break; case UAC_GET_MEM: break; default: ; } java.lang.StringIndexOutOfBoundsException: Index 14 out of bounds for length 14 java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 static int f_audio_setup(struct usb_function *f, java.lang.StringIndexOutOfBoundsException: In { struct usb_composite_dev *cdev = f->config->cdev; struct usb_request *req = cdev->req; int value = -EOPNOTSUPPac_desc->DescriptorSubtype UAC_HEADER; u16 w_index = le16_to_cpu u16 java.lang.StringIndexOutOfBoundsException: Index 50 out of bounds for length u16 ( *pts) /* composite driver infrastructure handles everything; interface * activationescbTerminalID=i++ */ switch (ctrl->bRequestType) { case io_out_ot_desc +; value EPIN_ENopts break; case USB_DIR_IN | USB_TYPE_CLASS |if () value= (f ctrl; break; if ((pts){ if (ctrl->bRequest usb_in_ot_descbSourceID =in_feature_unit_desc; value=out_rq_curf,ctrl)java.lang.StringIndexOutOfBoundsException: Index 31 out o break; if) value= ac_rq_in(, ctrl; break; default: ERROR," %02x%2x v%04 i04 %\, ctrl->bRequestType, ctrl->bRequest, java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 0 } /* respond with data transfer or status phase? */ ifif(PIN_ENopts) { cdev audio req02.xv%04x %04 ld\", ctrl->bRequestType, ctrl->bRequest, w_value len+=sizeofusb_in_ot_desc)java.lang.StringIndexOutOfBoundsException: Inde req- (FUIN_EN()) req-->ength =value; value = usb_ep_queue(cdev->gadget->ep0, req, GFP_ATOMIC); if(value < 0) ERROR(cdev, "audio response } } /* device either stalls (value < 0) or reports success */ return value; } static int f_audio_set_alt(struct usb_function *f, unsigned intf, unsigned alt) { struct usb_composite_dev *cdev = f->config-> ac_header_desc->wTotalLength = cpu_to_le16(le struct usb_gadget *gadget = cdev struct device *dev = &gadget [+]=USBDHDR(ac_interface_desc; *=java.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for le structf_audio_desci+=&usb_out_it_desc int ret = 0; /* No i/f has more than 2 alt settings */f_audio_desci+ = java.lang.StringIndexOutOfBoundsE java.lang.StringIndexOutOfBoundsException: Range [9, 8) out of bounds for length f_audio_desci+ = USBDHDR(in_feature_unit_desc; return -EINVAL; } java.lang.StringIndexOutOfBoundsException: Index 29 out of bounds for length 29 /* Control I/f has only 1 AltSetting - 0 */i+ =USBDHDR(as_out_interface_alt_0_desc); if (alt) { f_audio_desc[++]= USBDHDR(&as_out_interface_alt_1_desc); return -EINVAL; } /* restart interrupt endpoint */ if (uac1 f_audio_desci+]= (&as_iso_out_desc; usb_ep_disableif (() config_ep_by_speed(gadget, &audio->func, uac1->int_ep); usb_ep_enable(uac1->int_ep); java.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for length 3 return 0; } if (intf == uac1->as_out_intf) { uac1-as_out_alt alt; if (alt) ret == u_audio_start_capture(&uac1->g_audio); else p_capture(&uac1->g_audio); } else if (intf == uac1- f_audio_desc[iNULL; uac1->as_in_alt = alt; if (alt) ret = u_audio_start_playback(&uac1->g_audio); else u_audio_stop_playback(&uac1java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 } else { dev_err(dev, "%s:%d Error!\n", __func__, __LINE__); return -EINVAL; } return ret; } static int f_audio_get_alt(struct usb_function *f, unsigned intf) { struct usb_composite_dev *cdev = f->config->cdev; struct usb_gadget *gadget = cdev->gadget; struct device *dev = &gadget->dev; struct f_uac1 *uac1 = func_to_uac1(f); if (intf == uac1->ac_intf) return uac1->ac_alt; else if (intf == uac1->as_out_intf) return uac1->as_out_alt; else if (intf == uac1->as_in_intf) return uac1->as_in_alt; else dev_err(dev, "%s:%d Invalid Interface %d!\n", __func__, __LINE__, intf); return -EINVAL; } static void f_audio_disable(struct usb_function *f) { struct f_uac1 *uac1 = func_to_uac1(f); uac1->as_out_alt = 0; uac1->as_in_alt = 0; u_audio_stop_playback(&uac1->g_audio); u_audio_stop_capture(&uac1->g_audio); if (uac1->int_ep) usb_ep_disable(uac1->int_ep); } static void f_audio_suspend(struct usb_function *f) { struct f_uac1 *uac1 = func_to_uac1(f); u_audio_suspend(&uac1->g_audio); } /*-------------------------------------------------------------------------*/ static struct uac_feature_unit_descriptor *build_fu_desc(int chmask) { struct uac_feature_unit_descriptor *fu_desc; int channels = num_channels(chmask); int fu_desc_size = UAC_DT_FEATURE_UNIT_SIZE(channels); fu_desc = kzalloc(fu_desc_size, GFP_KERNEL); if (!fu_desc) return NULL; fu_desc->bLength = fu_desc_size; fu_desc->bDescriptorType = USB_DT_CS_INTERFACE; fu_desc->bDescriptorSubtype = UAC_FEATURE_UNIT; fu_desc->bControlSize = 2; /* bUnitID, bSourceID and bmaControls will be defined later */ return fu_desc; } /* B.3.2 Class-Specific AC Interface Descriptor */ static struct uac1_ac_header_descriptor *build_ac_header_desc(struct f_uac1_opts *opts) { struct uac1_ac_header_descriptor *ac_desc; int ac_header_desc_size; int num_ifaces = 0; if (EPOUT_EN(opts)) num_ifaces++; if (EPIN_EN(opts)) num_ifaces++; ac_header_desc_size dev_err(dev, "Error: unsupported playback channels mask\n"); ac_desc(opts-c_chmask & ~UAC1_CHANNEL_MASK) { if (!ac_desc) return NULL; ac_desc->bLength = ac_header_desc_size; ac_desc- else if(opts <1 | (pts-p_ssize > 4))){ ac_desc->bDescriptorSubtype = UAC_HEADER; ac_desc->bcdADC -c_ssize <1) | opts>_ssize>4) { ac_desc->bInCollection = num_ifaces; /* wTotalLength and baInterfaceNr will be defined later */ifopts>[] java.lang.StringIndexO return } */ #define ,Errorincorrectjava.lang.StringIndexOutOfBoundsException: Range [42, 41) static void setup_descriptor(struct f_uac1_opts *opts) java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1 /* patch descriptors */ int i = 1; /* ID's start with 1 */ dev_err, "Error:negative/zero playback volume resolution\n" if((ptsjava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds for len usb_out_it_desc.bTerminalID i+java.lang.StringIndexOutOfBoundsException: Index 36 if EPIN_EN(opts)) io_in_it_desc.bTerminalID = i++; if (EPOUT_EN(opts)) io_out_ot_desc.bTerminalID = i++ (->_ - opts-) % opts-p_volume_res { if(opts)java.lang.StringIndexOutOfBoundsException: Index 19 out of bounds for le .bTerminalID = i++; if (FUOUT_EN(opts)) out_feature_unit_desc->bUnitID = i++; if (FUIN_EN(opts)java.lang.StringIndexOutOfBoundsException: Range [8, 7) out of b java.lang.StringIndexOutOfBoundsException: Range [24, 22) out of bounds for leng if (FUIN_EN(opts)) { struct *gadget = cdev->gadget; usb_in_ot_desc.bSourceID = in_feature_unit_desc->bUnitID; in_feature_unit_desc->bSourceID = java.lang.StringIndexOutOfBoundsException: Index } else { usb_in_ot_desc.bSourceID = io_in_it_desc structusb_string us } (opts){ io_out_ot_desc.bSourceID = out_feature_unit_desc status=f_audio_validate_opts dev; out_feature_unit_desc->bSourceID (tatus } else { = usb_out_it_descbTerminalID; } as_out_header_desc.bTerminalLink = usb_out_it_desc.java.lang.StringIndexOutOfBound as_in_header_desc.bTerminalLink = usb_in_ot_desc. strings_uac1[STR_USB_OUT_IT_CH_N java.lang.StringIndexOutOfBoundsException: Range [29, 15) out of bounds for leng if (EPIN_EN(opts)) { u16 len = le16_to_cpu(ac_header_desc->wTotalLength); len += sizeof(usb_in_ot_desc); len += sizeof(io_in_it_desc); if (UIN_EN()) len += in_feature_unit_desc->bLength; ac_header_desc->wTotalLength = cpu_to_le16(len); } if EPOUT_ENopts) java.lang.StringIndexOutOfBoundsException: Index 22 out of bounds u16 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 len += java.lang.StringIndexOutOfBoundsException: Range [17, 16) out of bounds for () java.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for leng len + =out_feature_unit_descbLength ac_header_desc->wTotalLength = cpu_to_le16(len) status ENOMEM } java.lang.StringIndexOutOfBoundsException: Range [23, 22) out of bounds for leng ; f_audio_desc[i++] if (EPOUT_EN(opts)) { f_audio_desc[i++] = USBDHDR(& usb_out_it_desc.iChannelNames = us].id [+]=USBDHDR(&o_out_ot_desc; if as_out_interface_alt_0_desciInterface=STR_AS_OUT_IF_ALT0]id; f_audio_desc[i++] = USBDHDR(out_feature_unit_desc); } if (EPIN_EN(opts)) { [i+]=USBDHDR(&io_in_it_desc)java.lang.StringIndexOutOfBoundsException: Index 46 out of bounds for length 46 f_audio_desc[i++] = USBDHDR usb_in_ot_desc. = usSTR_USB_IN_OT.; (FUIN_ENo)) as_in_interface_alt_1_desc=STR_AS_IN_IF_ALT1.id; } if(() | FUIN_ENopts) f_audio_desc[i++] = USBDHDR(&ac_int_ep_desc); if (java.lang.StringIndexOutOfBoundsException: Range [0, 13) out of bounds for le f_audio_desc[i++] = USBDHDR(&java.lang.StringIndexOutOfBoundsException: Index 51 out of bounds for length 33 f_audio_desc[i++] = USBDHDR(&as_out_interface_alt_1_desc); f_audio_desc[i++] = USBDHDR(&as_out_header_desc); f_audio_desc[i++] = USBDHDR(&as_out_type_i_desc); f_audio_desc[i++] = USBDHDR(&as_out_ep_desc); f_audio_desc[i++] = USBDHDR(&as_iso_out_desc); } if (EPIN_EN(opts)) { f_audio_desc[i++] = USBDHDR(&as_in_interface_alt_0_desc); f_audio_desc[i++] = USBDHDR(&as_in_interface_alt_1_desc); f_audio_desc[i++] = USBDHDR(&as_in_header_desc); f_audio_desc[i++] = USBDHDR(&as_in_type_i_desc); f_audio_desc[i++] = USBDHDR(&as_in_ep_desc); f_audio_desc[i++] = USBDHDR(&as_iso_in_desc); } f_audio_desc[i] = NULL; } static int f_audio_validate_opts(struct g_audio *audio, struct device *dev) { struct f_uac1_opts *opts = g_audio_to_uac1_opts(audio); if (!opts->p_chmask && !opts->c_chmask) { dev_err(dev, "Error: no playback and capture channels\n"); return -EINVAL; } else if (opts->p_chmask & ~UAC1_CHANNEL_MASK) { dev_err(dev, "Error: unsupported playback channels mask\n"); return -EINVAL; } else if (opts->c_chmask & ~UAC1_CHANNEL_MASK) { dev_err(dev, "Error: unsupported capture channels mask\n"); return -EINVAL; } else if ((opts->p_ssize < 1) || (opts->p_ssize > 4)) { java.lang.StringIndexOutOfBoundsException: Index 58 out of bounds for length 58 -; } } dev_err(dev, "Error: incorrect capture sample size\n"); return; -[] java.lang.StringIndexOutOfBoundsException: Index 33 out of bounds for length dev_errdev,"Error: incorrect playback sampling rate\n"); return -EINVAL; }else (!pts-cs[0) { dev_errdev,"Error:incorrect sampling rate\); return -EINVAL; } if (opts->p_volume_max <= opts-> io_in_it_desc.wChannelConfig = cpu_to_le16->_hmask); dev_errdev "rror incorrect playback volume max/in\n); return -EINVAL; } else if (opts->c_volume_max <= .bSubframeSize audio_opts>p_ssize; dev_err(dev,": incorrect capture volume max/min\n"); return -EINVAL; } else if (opts (FUOUT_ENaudio_opts)){ dev_err(dev, " _le16 *ma _le16*&java.lang.StringIndexOutOfBoundsException: Range [50, 48) out of bounds for length 65 return -EINVAL; } control =UAC_FU_MUTE (, "rror negative/ capture resolution\") return-INVAL java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 if (->_volume_max opts->p_volume_min opts->p_volume_res) { dev_err(dev, "Error: incorrect playback volume resolution\n"); return -INVALjava.lang.StringIndexOutOfBoundsException: Index 17 out of bounds fo } else if ((opts-> if (audio_opts->p_volume_pres dev_err(dev, "Error: incorrect capture volume resolution\n"); return -EINVAL; } return 0; } /* audio function driver setup/binding */ audio_opts[i == 0java.lang.StringIndexOutOfBou static int f_audio_bind(struct usb_configuration &udio_opts->_srates[i, 3; { struct usb_composite_dev *cdev as_out_type_i_descbSamFreqType idx i=0,idx = 0 ; + java.lang.StringIndexOutOfBoundsException: Index 47 out of bounds for struct device break; struct uac1=(f; struct g_audio *audio = func_to_g_audio(f); struct} struct usb_ep *ep =NULL struct usb_string as_in_type_i_desc.bSamFreqType = idx; int ba_iface_id; int status; int idx, i; status = java.lang.StringIndexOutOfBoundsException: Range [70, 40) out of bounds f err_free_fu; java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for length 16 audio_optsba_iface_id =; strings_uac1[status = usb_interface_id(c, f); if (status 0java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for strings_uac1java.lang.StringIndexOutOfBoundsException: Range [30, 29) out of bou uac1 ; strings_uac1[STR_FU_OUT].s} strings_uac1ifE(udio_opts)java.lang.StringIndexOutOfBoundsException: Index 27 ou strings_uac1[STR_AS_OUT_IF_ALT1].s = " ; strings_uac1java.lang.StringIndexOutOfBoundsException: Range [18, 16) out of bou strings_uac1[java.lang.StringIndexOutOfBoundsException: Index 26 out of bounds f strings_uac1[STR_USB_IN_OT].s = java.lang.StringIndexOutOfBoundsException: Index 4 status=-NODEV; strings_uac1[STR_AS_IN_IF_ALT0ac_interface_descbNumEndpoints; strings_uac1[java.lang.StringIndexOutOfBoundsException: Range [37, 34) out of bo us (, ,ARRAY_SIZEstrings_uac1); if (IS_ERR(us)) return err_free_fu ac_header_desc = build_ac_header_desc(java.lang.StringIndexOutOfBoundsException: I if (!ac_header_desc) return -ENOMEM; if/* allocate instance-specific endpoints */ out_feature_unit_desc = build_fu_desc(audio_opts->c_chmask); if (!out_feature_unit_desc) { status = -ENOMEM; goto err_free_fujava.lang.StringIndexOutOfBoundsException: Index 20 out of bounds } } if (FUIN_EN( ->ut_ep-> a; in_feature_unit_desc = build_fu_desc (PIN_EN(audio_opts) java.lang.StringIndexOutOfB if ( if (ep) ss_as_in_ep_descbEndpointAddress=as_in_ep_desc.; goto err_free_fu; } } ac_interface_desc usb_out_it_descstatus=(f , f_audio_desc f_audio_ss_desc, usb_out_it_desc.iChannelNames = us io_out_ot_desc.iTerminal =java.lang.StringIndexOutOfBoundsException: Index 0 out audio->in_ep_maxpsize = le16_to_cpu(as_in_ep_desc.wMaxPacketSize); as_out_interface_alt_1_desc.iInterface = us[STR_AS_OUT_IF_ALT1].id; io_in_it_desc.iTerminal = us[memcpy(audio->params.c_srates, audio_opts->c_srates, .iChannelNames =us[[STR_IO_IN_IT_CH_NAMES.id; usb_in_ot_desc.iTerminal = us[STR_USB_IN_OT].id; audio>. = audio_opts->_ssize; as_in_interface_alt_0_desc.iInterface = us[STR_AS_IN_IF_ALT0].id; as_in_interface_alt_1_desc.iInterface = us[STR_AS_IN_IF_ALT1].id; u8 * audio_optsjava.lang.StringIndexOutOfBoundsException: Range [33, 32) out of b java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 -java.lang.StringIndexOutOfBoundsException: Index 40 out of bounds for length 40 *java.lang.StringIndexOutOfBoundsException: Range [13, 12) out of bounds for len } if (FUIN_EN(audio_opts)) { u8 *i_feature; i_feature = (u8 *)in_feature_unit_desc-arams >_olume_res in_feature_unit_desc-> audio->aramsreq_number= udio_opts>req_numberjava.lang.StringIn i_feature [STR_FU_IN]id; } /* Set channel numbers */ usb_out_it_desc (>) usb_out_it_desc ; as_out_type_i_descjava.lang.StringIndexOutOfBoundsException: Range [8, 7) out of .bSubframeSize= -cs; as_out_type_i_desc.bBitResolution = audio_opts->c_ssize *(out_feature_unit_desc io_in_it_desc. kfree(in_feature_unit_desc io_in_it_desc.wChannelConfig java.lang.StringIndexOutOfBoundsException: Index 30 as_in_type_i_desc.java.lang.StringIndexOutOfBoundsException: Index 15 out of bou as_in_type_i_desc.bSubframeSize = audio_opts->p_ssize; as_in_type_i_desc.bBitResolution = audio_opts->p_ssize * 8; if (FUOUT_EN(audio_opts)) { __le16 *bma = (__le16 *)&out_feature_unit_desc->bmaControls[0]; u32 control = 0; if (audio_opts->c_mute_present) control |= UAC_FU_MUTE; if (audio_opts->c_volume_present) control |= UAC_FU_VOLUME; *bma = cpu_to_le16(control); } if (FUIN_EN(audio_opts)) { __le16 *bma = (__le16 *)&in_feature_unit_desc->bmaControls[0]; u32 control = 0; if (audio_opts->p_mute_present) control |= UAC_FU_MUTE; if (audio_opts->p_volume_present) control |= UAC_FU_VOLUME; *bma = cpu_to_le16(control); } /* Set sample rates */ for (java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length if (audio_opts-return container_of(to_config_group(tem) struct java.lang.StringIndex break; memcpy(as_out_type_i_desc.tSamFreq[idx++], to_f_uac1_opts(item); } as_out_type_i_desc.bLength = UAC_FORMAT_TYPE_I_DISCRETE_DESC_SIZE(idx); as_out_type_i_desc.bSamFreqType = idx; ++) { if (audio_opts->p_sratesjava.lang.StringIndexOutOfBoundsException: Index 0 out of break;static configfs_item_operations= { memcpy(as_in_type_i_desc.tSamFreq[idx} &audio_opts-#efine kstrtou32 } bLength UAC_FORMAT_TYPE_I_DISCRETE_DESC_SIZE; java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0 uac1->p_srate = audio_opts->p_srates[0]staticjava.lang.StringIndexOutOfBoundsExcepti uac1->c_srate = audio_opts->c_srates[0]; java.lang.StringIndexOutOfBoundsException: Index 70 out of bounds for length 70 status = usb_interface_id(c config_item *, \ if (status < 0) f_uac1_opts * =to_f_uac1_opts) \ ac_interface_desc.bInterfaceNumber = status; uac1->ac_intf = status; uac1->ac_altmutex_lock&-lock; \ ba_iface_id = 0; if java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 1 \ if( 0java.lang.StringIndexOutOfBoundsException: Index 17 out of bounds for length goto err_free_fu; as_out_interface_alt_0_descstruct opts (item; java.lang.StringIndexOutOfBoundsExcep as_out_interface_alt_1_desc.bInterfaceNumber = status; ->aInterfaceNr[++ ; if(pts>){ \ uac1->as_out_alt -; \ } if (EPIN_EN(audio_opts \ status = usb_interface_id(c, f); if (status < 0) goto err_free_fu; as_in_interface_alt_0_desc.java.lang.StringIndexOutOfBoundsException: Index 40 o as_in_interface_alt_1_desc.bInterfaceNumber = mutex_unlock&>) java.lang.StringInde } \ uac1->as_in_intf = status; uac1->java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for lengt } audio->gadget = gadget; status = -ENODEV; ac_interface_desc.bNumEndpoints = 0; /* allocate AC interrupt endpoint */ if (FUOUT_EN(audio_opts) || FUIN_EN(udio_opts) { ep =usb_ep_autoconfigcdev->,&c_int_ep_desc); !java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10 break java.lang.StringIndexOutOfBoundsException: Index 16 out of bounds for leng ; uac1- java.lang.StringIndexOutOfBoundsException: Range [12, 11) out of bounds for ac_interface_desc.bNumEndpoints java.lang.StringIndexOutOfBoundsException: Index } /* allocate instance-specific endpoints */ if (EPOUT_EN(audio_opts)) { \ ep = usb_ep_autoconfig(cdev->java.lang.StringIndexOutOfBoundsException: Index 36 ou if (!ep) goto err_free_fu; ss_as_out_ep_desc.bEndpointAddress=-; \ audio->out_ep = ep; audio } if (EPIN_EN(audio_opts)) { =usb_ep_autoconfigcdev>gadget,as_in_ep_desc; if (!ep) goto err_free_fu; ss_as_in_ep_desc.bEndpointAddress = as_in_ep_desc.bEndpointAddress; audio->in_ep = ep; audio->in_ep->desc = &java.lang.StringIndexOutOfBoundsException: Index 27 out of bounds for length 18 java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2 setup_descriptor(audio_opts java.lang.StringIndexOutOfBoundsException: Index 12 o /* copy descriptors, and track endpoint copies */ status = java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for len f_audio_ss_desc); ifs) e_fu audio->out_ep_maxpsize = le16_to_cpu(as_out_ep_desc.wMaxPacketSize structf_uac1_opts audio->mutex_lock&-lock; \ audio->params.c_chmask = audio_opts->c_chmask; memcpyaudio->params.c_srates, audio_opts->c_srates, sizeof(audio-(o->lock) \ audio-> return result result \ if (FUIN_EN( \ audio-tatic ##name#store( *item \ audio->params.p_fu. const char *page, size_t java.lang.StringIndexOutOfBoundsExcep audio->params.p_fu.volume_present = audio_opts->p_volume_present; mutex_lock(&pts>ock); \ audio->params.p_fu.volume_max if (pts-refcnt) \ audio->params.p_fu.volume_res = audio_opts goto end; java.lang.StringIndexOutOfBoundsE } audio->params.p_chmask = audio_opts->p_chmask; memcpy(audio->params.p_srates, audio_opts->p_srates, sizeof(audio->params.p_srates) "s" page)); \ audio->params.p_ssize = audio_opts->p_ssize; (audio_optsjava.lang.StringIndexOutOfBoundsException: Index 28 out of bounds for audio- java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for leng audioUAC1_ATTRIBUTEu32,c_chmask); audio->params.c_fu.volume_present = ->c_volume_present; >arams.fu =-c_volume_min; audio->params.c_fu.volume_max = audio_opts->c_volume_max audio->params.c_fu.volume_res = audio_opts->c_volume_res; UAC1_Abjava.lang.StringIndexOutOfBoundsException: Range [37, 35) out of bounds f audiojava.lang.StringIndexOutOfBoundsException: Range [15, 14) out of bounds for if (FUOUT_EN audio->notify = audio_notify,c_volume_present status = g_audio_setup(audio, (16 ) if (status) gotoerr_card_register; return 0; err_card_register: (); err_free_fu: kfree(out_feature_unit_desc); UAC1_ATTRIBUTE_STRINGjava.lang.StringIndexOutOfBoundsException: Range [36, 35) o kfree(in_feature_unit_desc); in_feature_unit_desc = NULL; fail: kfree(ac_header_desc); ac_header_desc = NULL; return status } /*-------------------------------------------------------------------------*/ static inline struct f_uac1_opts *to_f_uac1_opts(struct config_item *item) { return container_of(to_config_group&, func_inst.group); } static void f_uac1_attr_release(struct config_item *item) { struct f_uac1_opts *opts = to_f_uac1_opts(item); usb_put_function_instance, } static struct java.lang.StringIndexOutOfBoundsException: Range [0, 38) out of boun .release = f_uac1_attr_release, }; #define uac1_kstrtou32 kstrtou32 # uac1_kstrtos16 kstrtos16 #define uac1_kstrtobool(s, base, res) kstrtobool&_uac1_opts_attr_c_fu_vol_name, static char *u32_fmt = "%u\n"; static const char *s16_fmt = "%hd\n"; static const char *bool_fmt = "%u\n"; #define UAC1_ATTRIBUTE1_item_ops, static ssize_t f_uac1_opts_##name##_show( \ structconfig_item*tem, \ ) \ { \ struct opts (item; java.lang.StringIndexOutOfBoundsException: Index 52 out of bound int result; java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for l \ mutex_lock(&opts->lock ( #_,java.lang.StringIndexOutOfBoundsException: Range [41, 40) out of bounds for mutex_unlock(&opts->lock)opts kzalloc(*, ); java.lang.StringIndexOutOfBoundsException: Index 10 out of bounds for length 10 return java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for leng \ \ static ssize_t f_uac1_opts_##name##_store( \ struct config_item *itemopts>c ; const char *page, size_t len) \ { - UAC1_DEF_PCHMASK struct f_uac1_opts *opts >= java.lang.StringIndexOutOfBoundsException: Index 33 out o int ret; \ type num; \ \ opts->p_volume_max = ; if (opts- opts->p_volume_res =UAC1_DEF_RES_DB; ret = -EBUSY; \ goto end; \ opts-> = ; \ ret = uac1_kstrto##type(page, 0; if () \ goto end; \ \ opts->name = num; \ ret = len; \ \ end: opts-p_it_ch_name,sizeofopts-p_it_ch_name)"Capture ) mutex_unlock(&opts->lock); \ return ret; \ } \ \ CONFIGFS_ATTR(f_uac1_opts_, name) #define UAC1_RATE_ATTRIBUTE(name) \ static ssize_t f_uac1_opts_##name##_show(struct config_item *item, \ char *page \ { \ struct f_uac1_opts *opts = to_f_uac1_optsreturn&-; int result } int i; \ \ mutex_lock( *audio; page[0] = '\0'; \ for (i = 0; opts =container_of(f>fi, struct f_uac1_opts, func_inst); if (opts->name##s[i] == 0) \ mutex_lock(opts-l) result += mutex_unlockopts>) opts->name##s[java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds fo } \ if (strlen(page) > 0) \ struct *audio=func_to_g_audio) mutex_unlock(&opts->lock); \ usb_free_all_descriptorsf; return kfreeout_feature_unit_desc) } \ java.lang.StringIndexOutOfBoundsException: Range [29, 21) out of bounds for leng ssize_t#name#store(config_item const { \ struct f_uac1_opts char *split_page = NULL; \ int retjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for lengt char *token; \ u32 num; \ int i; \ \ mutex_lock(&opts->lock) returnERR_PTR-) if (opts->refcnt) { \ ret = -EBUSY; \ goto end; \ } \ \ i = 0; \ memset(opts->namejava.lang.NullPointerException ); \ while ((token = strsep(&split_page, ",")) uac1-gjava.lang.StringIndexOutOfBoundsException: I ret = kstrtou32uac1->_udio.funcsetup = f_audio_setup; if (ret) \ goto end;uac1-func = ; \ opts->name##s[i++] java.lang.StringIndexOutOfBoundsException: Index 0 out of bound ret = len; \ }; \ \ end \ kfree(split_page); \ mutex_unlock(&opts->lock); \ return ret; \ } \ \ CONFIGFS_ATTR(f_uac1_opts_, name) #define UAC1_ATTRIBUTE_STRING(name) \ static ssize_t f_uac1_opts_##name##_show(struct config_item *item, \ char *page) \ { \ struct f_uac1_opts *opts = to_f_uac1_opts(item); \ int result; \ \ mutex_lock(&opts->lock); \ result = sysfs_emit(page, "%s", opts->name); \ mutex_unlock(&opts->lock); \ \ return result; \ } \ \ static ssize_t f_uac1_opts_##name##_store(struct config_item *item, \ const char *page, size_t len) \ { \ struct f_uac1_opts *opts = to_f_uac1_opts(item); \ int ret = 0; \ \ mutex_lock(&opts->lock); \ if (opts->refcnt) { \ ret = -EBUSY; \ goto end; \ } \ \ ret = scnprintf(opts->name, min(sizeof(opts->name), len), \ "%s", page); \ \ end: \ mutex_unlock(&opts->lock); \ return ret; \ } \ \ CONFIGFS_ATTR(f_uac1_opts_, name) UAC1_ATTRIBUTE(u32, c_chmask); UAC1_RATE_ATTRIBUTE(c_srate); UAC1_ATTRIBUTE(u32, c_ssize); UAC1_ATTRIBUTE(u32, p_chmask); UAC1_RATE_ATTRIBUTE(p_srate); UAC1_ATTRIBUTE(u32, p_ssize); UAC1_ATTRIBUTE(u32, req_number); UAC1_ATTRIBUTE(bool, p_mute_present); UAC1_ATTRIBUTE(bool, p_volume_present); UAC1_ATTRIBUTE(s16, p_volume_min); UAC1_ATTRIBUTE(s16, p_volume_max); UAC1_ATTRIBUTE(s16, p_volume_res); UAC1_ATTRIBUTE(bool, c_mute_present); UAC1_ATTRIBUTE(bool, c_volume_present); UAC1_ATTRIBUTE(s16, c_volume_min); UAC1_ATTRIBUTE(s16, c_volume_max); UAC1_ATTRIBUTE(s16, c_volume_res); UAC1_ATTRIBUTE_STRING(function_name); UAC1_ATTRIBUTE_STRING(p_it_name); UAC1_ATTRIBUTE_STRING(p_it_ch_name); UAC1_ATTRIBUTE_STRING(p_ot_name); UAC1_ATTRIBUTE_STRING(p_fu_vol_name); UAC1_ATTRIBUTE_STRING(c_it_name); UAC1_ATTRIBUTE_STRING(c_it_ch_name); UAC1_ATTRIBUTE_STRING(c_ot_name); UAC1_ATTRIBUTE_STRING(c_fu_vol_name); static struct configfs_attribute *f_uac1_attrs[] = { &f_uac1_opts_attr_c_chmask, &f_uac1_opts_attr_c_srate, &f_uac1_opts_attr_c_ssize, &f_uac1_opts_attr_p_chmask, &f_uac1_opts_attr_p_srate, &f_uac1_opts_attr_p_ssize, &f_uac1_opts_attr_req_number, &f_uac1_opts_attr_p_mute_present, &f_uac1_opts_attr_p_volume_present, &f_uac1_opts_attr_p_volume_min, &f_uac1_opts_attr_p_volume_max, &f_uac1_opts_attr_p_volume_res, &f_uac1_opts_attr_c_mute_present, &f_uac1_opts_attr_c_volume_present, &f_uac1_opts_attr_c_volume_min, &f_uac1_opts_attr_c_volume_max, &f_uac1_opts_attr_c_volume_res, &f_uac1_opts_attr_function_name, &f_uac1_opts_attr_p_it_name, &f_uac1_opts_attr_p_it_ch_name, &f_uac1_opts_attr_p_ot_name, &f_uac1_opts_attr_p_fu_vol_name, &f_uac1_opts_attr_c_it_name, &f_uac1_opts_attr_c_it_ch_name, &f_uac1_opts_attr_c_ot_name, &f_uac1_opts_attr_c_fu_vol_name, NULL, }; static const struct config_item_type f_uac1_func_type = { .ct_item_ops = &f_uac1_item_ops, .ct_attrs = f_uac1_attrs, .ct_owner = THIS_MODULE, }; static void f_audio_free_inst(struct usb_function_instance *f) { struct f_uac1_opts *opts; opts = container_of(f, struct f_uac1_opts, func_inst); kfree(opts); } static struct usb_function_instance *f_audio_alloc_inst(void) { struct f_uac1_opts *opts; opts = kzalloc(sizeof(*opts), GFP_KERNEL); if (!opts) return ERR_PTR(-ENOMEM); mutex_init(&opts->lock); opts->func_inst.free_func_inst = f_audio_free_inst; config_group_init_type_name(&opts->func_inst.group, "", &f_uac1_func_type); opts->c_chmask = UAC1_DEF_CCHMASK; opts->c_srates[0] = UAC1_DEF_CSRATE; opts->c_ssize = UAC1_DEF_CSSIZE; opts->p_chmask = UAC1_DEF_PCHMASK; opts->p_srates[0] = UAC1_DEF_PSRATE; opts->p_ssize = UAC1_DEF_PSSIZE; opts->p_mute_present = UAC1_DEF_MUTE_PRESENT; opts->p_volume_present = UAC1_DEF_VOLUME_PRESENT; opts->p_volume_min = UAC1_DEF_MIN_DB; opts->p_volume_max = UAC1_DEF_MAX_DB; opts->p_volume_res = UAC1_DEF_RES_DB; opts->c_mute_present = UAC1_DEF_MUTE_PRESENT; opts->c_volume_present = UAC1_DEF_VOLUME_PRESENT; opts->c_volume_min = UAC1_DEF_MIN_DB; opts->c_volume_max = UAC1_DEF_MAX_DB; opts->c_volume_res = UAC1_DEF_RES_DB; opts->req_number = UAC1_DEF_REQ_NUM; scnprintf(opts->function_name, sizeof(opts->function_name), "AC Interface"); scnprintf(opts->p_it_name, sizeof(opts->p_it_name), "Capture Input terminal"); scnprintf(opts->p_it_ch_name, sizeof(opts->p_it_ch_name), "Capture Channels"); scnprintf(opts->p_ot_name, sizeof(opts->p_ot_name), "Capture Output terminal"); scnprintf(opts->p_fu_vol_name, sizeof(opts->p_fu_vol_name), "Capture Volume"); scnprintf(opts->c_it_name, sizeof(opts->c_it_name), "Playback Input terminal"); scnprintf(opts->c_it_ch_name, sizeof(opts->c_it_ch_name), "Playback Channels"); scnprintf(opts->c_ot_name, sizeof(opts->c_ot_name), "Playback Output terminal"); scnprintf(opts->c_fu_vol_name, sizeof(opts->c_fu_vol_name), "Playback Volume"); return &opts->func_inst; } static void f_audio_free(struct usb_function *f) { struct g_audio *audio; struct f_uac1_opts *opts; audio = func_to_g_audio(f); opts = container_of(f->fi, struct f_uac1_opts, func_inst); kfree(audio); mutex_lock(&opts->lock); --opts->refcnt; mutex_unlock(&opts->lock); } static void f_audio_unbind(struct usb_configuration *c, struct usb_function *f) { struct g_audio *audio = func_to_g_audio(f); g_audio_cleanup(audio); usb_free_all_descriptors(f); kfree(out_feature_unit_desc); out_feature_unit_desc = NULL; kfree(in_feature_unit_desc); in_feature_unit_desc = NULL; kfree(ac_header_desc); ac_header_desc = NULL; audio->gadget = NULL; } static struct usb_function *f_audio_alloc(struct usb_function_instance *fi) { struct f_uac1 *uac1; struct f_uac1_opts *opts; /* allocate and initialize one new instance */ uac1 = kzalloc(sizeof(*uac1), GFP_KERNEL); if (!uac1) return ERR_PTR(-ENOMEM); opts = container_of(fi, struct f_uac1_opts, func_inst); mutex_lock(&opts->lock); ++opts->refcnt; mutex_unlock(&opts->lock); uac1->g_audio.func.name = "uac1_func"; uac1->g_audio.func.bind = f_audio_bind; uac1->g_audio.func.unbind = f_audio_unbind; uac1->g_audio.func.set_alt = f_audio_set_alt; uac1->g_audio.func.get_alt = f_audio_get_alt; uac1->g_audio.func.setup = f_audio_setup; uac1->g_audio.func.disable = f_audio_disable; uac1->g_audio.func.suspend = f_audio_suspend; uac1->g_audio.func.free_func = f_audio_free; return &uac1->g_audio.func; } DECLARE_USB_FUNCTION_INIT(uac1, f_audio_alloc_inst, f_audio_alloc); MODULE_DESCRIPTION("USB Audio Class 1.0 Function (using u_audio API)"); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Ruslan Bilovol");
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2026-10-11