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f2ebf92c BW |
1 | /* |
2 | * <linux/usb/audio.h> -- USB Audio definitions. | |
3 | * | |
4 | * Copyright (C) 2006 Thumtronics Pty Ltd. | |
5 | * Developed for Thumtronics by Grey Innovation | |
6 | * Ben Williamson <ben.williamson@greyinnovation.com> | |
7 | * | |
8 | * This software is distributed under the terms of the GNU General Public | |
9 | * License ("GPL") version 2, as published by the Free Software Foundation. | |
10 | * | |
11 | * This file holds USB constants and structures defined | |
12 | * by the USB Device Class Definition for Audio Devices. | |
13 | * Comments below reference relevant sections of that document: | |
14 | * | |
15 | * http://www.usb.org/developers/devclass_docs/audio10.pdf | |
16 | */ | |
17 | ||
18 | #ifndef __LINUX_USB_AUDIO_H | |
19 | #define __LINUX_USB_AUDIO_H | |
20 | ||
21 | #include <linux/types.h> | |
22 | ||
23 | /* A.2 Audio Interface Subclass Codes */ | |
24 | #define USB_SUBCLASS_AUDIOCONTROL 0x01 | |
25 | #define USB_SUBCLASS_AUDIOSTREAMING 0x02 | |
26 | #define USB_SUBCLASS_MIDISTREAMING 0x03 | |
27 | ||
8fee4aff DM |
28 | #define UAC_VERSION_1 0x00 |
29 | #define UAC_VERSION_2 0x20 | |
30 | ||
512ad27d LP |
31 | /* A.5 Audio Class-Specific AC Interface Descriptor Subtypes */ |
32 | #define UAC_HEADER 0x01 | |
33 | #define UAC_INPUT_TERMINAL 0x02 | |
34 | #define UAC_OUTPUT_TERMINAL 0x03 | |
35 | #define UAC_MIXER_UNIT 0x04 | |
36 | #define UAC_SELECTOR_UNIT 0x05 | |
37 | #define UAC_FEATURE_UNIT 0x06 | |
de48c7bc DM |
38 | #define UAC_PROCESSING_UNIT_V1 0x07 |
39 | #define UAC_EXTENSION_UNIT_V1 0x08 | |
40 | ||
41 | /* UAC v2.0 types */ | |
42 | #define UAC_EFFECT_UNIT 0x07 | |
43 | #define UAC_PROCESSING_UNIT_V2 0x08 | |
44 | #define UAC_EXTENSION_UNIT_V2 0x09 | |
45 | #define UAC_CLOCK_SOURCE 0x0a | |
46 | #define UAC_CLOCK_SELECTOR 0x0b | |
47 | #define UAC_CLOCK_MULTIPLIER 0x0c | |
48 | #define UAC_SAMPLE_RATE_CONVERTER 0x0d | |
512ad27d LP |
49 | |
50 | /* A.6 Audio Class-Specific AS Interface Descriptor Subtypes */ | |
51 | #define UAC_AS_GENERAL 0x01 | |
52 | #define UAC_FORMAT_TYPE 0x02 | |
53 | #define UAC_FORMAT_SPECIFIC 0x03 | |
54 | ||
55 | /* A.8 Audio Class-Specific Endpoint Descriptor Subtypes */ | |
56 | #define UAC_EP_GENERAL 0x01 | |
57 | ||
58 | /* A.9 Audio Class-Specific Request Codes */ | |
59 | #define UAC_SET_ 0x00 | |
60 | #define UAC_GET_ 0x80 | |
61 | ||
62 | #define UAC__CUR 0x1 | |
63 | #define UAC__MIN 0x2 | |
64 | #define UAC__MAX 0x3 | |
65 | #define UAC__RES 0x4 | |
66 | #define UAC__MEM 0x5 | |
67 | ||
68 | #define UAC_SET_CUR (UAC_SET_ | UAC__CUR) | |
69 | #define UAC_GET_CUR (UAC_GET_ | UAC__CUR) | |
70 | #define UAC_SET_MIN (UAC_SET_ | UAC__MIN) | |
71 | #define UAC_GET_MIN (UAC_GET_ | UAC__MIN) | |
72 | #define UAC_SET_MAX (UAC_SET_ | UAC__MAX) | |
73 | #define UAC_GET_MAX (UAC_GET_ | UAC__MAX) | |
74 | #define UAC_SET_RES (UAC_SET_ | UAC__RES) | |
75 | #define UAC_GET_RES (UAC_GET_ | UAC__RES) | |
76 | #define UAC_SET_MEM (UAC_SET_ | UAC__MEM) | |
77 | #define UAC_GET_MEM (UAC_GET_ | UAC__MEM) | |
78 | ||
79 | #define UAC_GET_STAT 0xff | |
80 | ||
de48c7bc DM |
81 | /* Audio class v2.0 handles all the parameter calls differently */ |
82 | #define UAC2_CS_CUR 0x01 | |
83 | #define UAC2_CS_RANGE 0x02 | |
84 | ||
512ad27d LP |
85 | /* MIDI - A.1 MS Class-Specific Interface Descriptor Subtypes */ |
86 | #define UAC_MS_HEADER 0x01 | |
87 | #define UAC_MIDI_IN_JACK 0x02 | |
88 | #define UAC_MIDI_OUT_JACK 0x03 | |
89 | ||
90 | /* MIDI - A.1 MS Class-Specific Endpoint Descriptor Subtypes */ | |
91 | #define UAC_MS_GENERAL 0x01 | |
92 | ||
93 | /* Terminals - 2.1 USB Terminal Types */ | |
94 | #define UAC_TERMINAL_UNDEFINED 0x100 | |
95 | #define UAC_TERMINAL_STREAMING 0x101 | |
96 | #define UAC_TERMINAL_VENDOR_SPEC 0x1FF | |
c47d7b09 BW |
97 | |
98 | /* Terminal Control Selectors */ | |
f2ebf92c | 99 | /* 4.3.2 Class-Specific AC Interface Descriptor */ |
28e1b773 | 100 | struct uac_ac_header_descriptor_v1 { |
c47d7b09 | 101 | __u8 bLength; /* 8 + n */ |
41dceed5 | 102 | __u8 bDescriptorType; /* USB_DT_CS_INTERFACE */ |
512ad27d | 103 | __u8 bDescriptorSubtype; /* UAC_MS_HEADER */ |
41dceed5 GKH |
104 | __le16 bcdADC; /* 0x0100 */ |
105 | __le16 wTotalLength; /* includes Unit and Terminal desc. */ | |
106 | __u8 bInCollection; /* n */ | |
107 | __u8 baInterfaceNr[]; /* [n] */ | |
f2ebf92c BW |
108 | } __attribute__ ((packed)); |
109 | ||
512ad27d | 110 | #define UAC_DT_AC_HEADER_SIZE(n) (8 + (n)) |
f2ebf92c BW |
111 | |
112 | /* As above, but more useful for defining your own descriptors: */ | |
512ad27d | 113 | #define DECLARE_UAC_AC_HEADER_DESCRIPTOR(n) \ |
28e1b773 | 114 | struct uac_ac_header_descriptor_v1_##n { \ |
f2ebf92c BW |
115 | __u8 bLength; \ |
116 | __u8 bDescriptorType; \ | |
117 | __u8 bDescriptorSubtype; \ | |
118 | __le16 bcdADC; \ | |
119 | __le16 wTotalLength; \ | |
120 | __u8 bInCollection; \ | |
121 | __u8 baInterfaceNr[n]; \ | |
122 | } __attribute__ ((packed)) | |
123 | ||
c47d7b09 | 124 | /* 4.3.2.1 Input Terminal Descriptor */ |
512ad27d | 125 | struct uac_input_terminal_descriptor { |
c47d7b09 BW |
126 | __u8 bLength; /* in bytes: 12 */ |
127 | __u8 bDescriptorType; /* CS_INTERFACE descriptor type */ | |
128 | __u8 bDescriptorSubtype; /* INPUT_TERMINAL descriptor subtype */ | |
129 | __u8 bTerminalID; /* Constant uniquely terminal ID */ | |
130 | __le16 wTerminalType; /* USB Audio Terminal Types */ | |
131 | __u8 bAssocTerminal; /* ID of the Output Terminal associated */ | |
132 | __u8 bNrChannels; /* Number of logical output channels */ | |
133 | __le16 wChannelConfig; | |
134 | __u8 iChannelNames; | |
135 | __u8 iTerminal; | |
136 | } __attribute__ ((packed)); | |
137 | ||
512ad27d | 138 | #define UAC_DT_INPUT_TERMINAL_SIZE 12 |
c47d7b09 | 139 | |
512ad27d LP |
140 | /* Terminals - 2.2 Input Terminal Types */ |
141 | #define UAC_INPUT_TERMINAL_UNDEFINED 0x200 | |
142 | #define UAC_INPUT_TERMINAL_MICROPHONE 0x201 | |
143 | #define UAC_INPUT_TERMINAL_DESKTOP_MICROPHONE 0x202 | |
144 | #define UAC_INPUT_TERMINAL_PERSONAL_MICROPHONE 0x203 | |
145 | #define UAC_INPUT_TERMINAL_OMNI_DIR_MICROPHONE 0x204 | |
146 | #define UAC_INPUT_TERMINAL_MICROPHONE_ARRAY 0x205 | |
147 | #define UAC_INPUT_TERMINAL_PROC_MICROPHONE_ARRAY 0x206 | |
c47d7b09 | 148 | |
de48c7bc DM |
149 | /* Terminals - control selectors */ |
150 | ||
151 | #define UAC_TERMINAL_CS_COPY_PROTECT_CONTROL 0x01 | |
152 | ||
c47d7b09 | 153 | /* 4.3.2.2 Output Terminal Descriptor */ |
28e1b773 | 154 | struct uac_output_terminal_descriptor_v1 { |
c47d7b09 BW |
155 | __u8 bLength; /* in bytes: 9 */ |
156 | __u8 bDescriptorType; /* CS_INTERFACE descriptor type */ | |
157 | __u8 bDescriptorSubtype; /* OUTPUT_TERMINAL descriptor subtype */ | |
158 | __u8 bTerminalID; /* Constant uniquely terminal ID */ | |
159 | __le16 wTerminalType; /* USB Audio Terminal Types */ | |
160 | __u8 bAssocTerminal; /* ID of the Input Terminal associated */ | |
161 | __u8 bSourceID; /* ID of the connected Unit or Terminal*/ | |
162 | __u8 iTerminal; | |
163 | } __attribute__ ((packed)); | |
164 | ||
512ad27d | 165 | #define UAC_DT_OUTPUT_TERMINAL_SIZE 9 |
c47d7b09 | 166 | |
512ad27d LP |
167 | /* Terminals - 2.3 Output Terminal Types */ |
168 | #define UAC_OUTPUT_TERMINAL_UNDEFINED 0x300 | |
169 | #define UAC_OUTPUT_TERMINAL_SPEAKER 0x301 | |
170 | #define UAC_OUTPUT_TERMINAL_HEADPHONES 0x302 | |
171 | #define UAC_OUTPUT_TERMINAL_HEAD_MOUNTED_DISPLAY_AUDIO 0x303 | |
172 | #define UAC_OUTPUT_TERMINAL_DESKTOP_SPEAKER 0x304 | |
173 | #define UAC_OUTPUT_TERMINAL_ROOM_SPEAKER 0x305 | |
174 | #define UAC_OUTPUT_TERMINAL_COMMUNICATION_SPEAKER 0x306 | |
175 | #define UAC_OUTPUT_TERMINAL_LOW_FREQ_EFFECTS_SPEAKER 0x307 | |
c47d7b09 BW |
176 | |
177 | /* Set bControlSize = 2 as default setting */ | |
512ad27d | 178 | #define UAC_DT_FEATURE_UNIT_SIZE(ch) (7 + ((ch) + 1) * 2) |
c47d7b09 BW |
179 | |
180 | /* As above, but more useful for defining your own descriptors: */ | |
512ad27d LP |
181 | #define DECLARE_UAC_FEATURE_UNIT_DESCRIPTOR(ch) \ |
182 | struct uac_feature_unit_descriptor_##ch { \ | |
c47d7b09 BW |
183 | __u8 bLength; \ |
184 | __u8 bDescriptorType; \ | |
185 | __u8 bDescriptorSubtype; \ | |
186 | __u8 bUnitID; \ | |
187 | __u8 bSourceID; \ | |
188 | __u8 bControlSize; \ | |
189 | __le16 bmaControls[ch + 1]; \ | |
190 | __u8 iFeature; \ | |
191 | } __attribute__ ((packed)) | |
192 | ||
193 | /* 4.5.2 Class-Specific AS Interface Descriptor */ | |
28e1b773 | 194 | struct uac_as_header_descriptor_v1 { |
c47d7b09 BW |
195 | __u8 bLength; /* in bytes: 7 */ |
196 | __u8 bDescriptorType; /* USB_DT_CS_INTERFACE */ | |
197 | __u8 bDescriptorSubtype; /* AS_GENERAL */ | |
198 | __u8 bTerminalLink; /* Terminal ID of connected Terminal */ | |
199 | __u8 bDelay; /* Delay introduced by the data path */ | |
200 | __le16 wFormatTag; /* The Audio Data Format */ | |
201 | } __attribute__ ((packed)); | |
202 | ||
8fee4aff DM |
203 | struct uac_as_header_descriptor_v2 { |
204 | __u8 bLength; | |
205 | __u8 bDescriptorType; | |
206 | __u8 bDescriptorSubtype; | |
207 | __u8 bTerminalLink; | |
208 | __u8 bmControls; | |
209 | __u8 bFormatType; | |
210 | __u32 bmFormats; | |
211 | __u8 bNrChannels; | |
212 | __u32 bmChannelConfig; | |
213 | __u8 iChannelNames; | |
214 | } __attribute__((packed)); | |
215 | ||
512ad27d | 216 | #define UAC_DT_AS_HEADER_SIZE 7 |
c47d7b09 | 217 | |
512ad27d LP |
218 | /* Formats - A.1.1 Audio Data Format Type I Codes */ |
219 | #define UAC_FORMAT_TYPE_I_UNDEFINED 0x0 | |
220 | #define UAC_FORMAT_TYPE_I_PCM 0x1 | |
221 | #define UAC_FORMAT_TYPE_I_PCM8 0x2 | |
222 | #define UAC_FORMAT_TYPE_I_IEEE_FLOAT 0x3 | |
223 | #define UAC_FORMAT_TYPE_I_ALAW 0x4 | |
224 | #define UAC_FORMAT_TYPE_I_MULAW 0x5 | |
c47d7b09 | 225 | |
512ad27d | 226 | struct uac_format_type_i_continuous_descriptor { |
c47d7b09 BW |
227 | __u8 bLength; /* in bytes: 8 + (ns * 3) */ |
228 | __u8 bDescriptorType; /* USB_DT_CS_INTERFACE */ | |
229 | __u8 bDescriptorSubtype; /* FORMAT_TYPE */ | |
230 | __u8 bFormatType; /* FORMAT_TYPE_1 */ | |
231 | __u8 bNrChannels; /* physical channels in the stream */ | |
232 | __u8 bSubframeSize; /* */ | |
233 | __u8 bBitResolution; | |
234 | __u8 bSamFreqType; | |
235 | __u8 tLowerSamFreq[3]; | |
236 | __u8 tUpperSamFreq[3]; | |
237 | } __attribute__ ((packed)); | |
238 | ||
512ad27d | 239 | #define UAC_FORMAT_TYPE_I_CONTINUOUS_DESC_SIZE 14 |
c47d7b09 | 240 | |
512ad27d | 241 | struct uac_format_type_i_discrete_descriptor { |
c47d7b09 BW |
242 | __u8 bLength; /* in bytes: 8 + (ns * 3) */ |
243 | __u8 bDescriptorType; /* USB_DT_CS_INTERFACE */ | |
244 | __u8 bDescriptorSubtype; /* FORMAT_TYPE */ | |
245 | __u8 bFormatType; /* FORMAT_TYPE_1 */ | |
246 | __u8 bNrChannels; /* physical channels in the stream */ | |
247 | __u8 bSubframeSize; /* */ | |
248 | __u8 bBitResolution; | |
249 | __u8 bSamFreqType; | |
250 | __u8 tSamFreq[][3]; | |
251 | } __attribute__ ((packed)); | |
252 | ||
512ad27d LP |
253 | #define DECLARE_UAC_FORMAT_TYPE_I_DISCRETE_DESC(n) \ |
254 | struct uac_format_type_i_discrete_descriptor_##n { \ | |
c47d7b09 BW |
255 | __u8 bLength; \ |
256 | __u8 bDescriptorType; \ | |
257 | __u8 bDescriptorSubtype; \ | |
258 | __u8 bFormatType; \ | |
259 | __u8 bNrChannels; \ | |
260 | __u8 bSubframeSize; \ | |
261 | __u8 bBitResolution; \ | |
262 | __u8 bSamFreqType; \ | |
263 | __u8 tSamFreq[n][3]; \ | |
264 | } __attribute__ ((packed)) | |
265 | ||
512ad27d | 266 | #define UAC_FORMAT_TYPE_I_DISCRETE_DESC_SIZE(n) (8 + (n * 3)) |
c47d7b09 | 267 | |
8fee4aff DM |
268 | struct uac_format_type_i_ext_descriptor { |
269 | __u8 bLength; | |
270 | __u8 bDescriptorType; | |
271 | __u8 bDescriptorSubtype; | |
8fee4aff | 272 | __u8 bFormatType; |
2b9ddcb8 | 273 | __u8 bSubslotSize; |
8fee4aff DM |
274 | __u8 bBitResolution; |
275 | __u8 bHeaderLength; | |
276 | __u8 bControlSize; | |
277 | __u8 bSideBandProtocol; | |
278 | } __attribute__((packed)); | |
279 | ||
280 | ||
28e1b773 DM |
281 | /* Formats - Audio Data Format Type I Codes */ |
282 | ||
de48c7bc DM |
283 | #define UAC_FORMAT_TYPE_II_MPEG 0x1001 |
284 | #define UAC_FORMAT_TYPE_II_AC3 0x1002 | |
285 | ||
28e1b773 DM |
286 | struct uac_format_type_ii_discrete_descriptor { |
287 | __u8 bLength; | |
288 | __u8 bDescriptorType; | |
289 | __u8 bDescriptorSubtype; | |
290 | __u8 bFormatType; | |
291 | __le16 wMaxBitRate; | |
292 | __le16 wSamplesPerFrame; | |
293 | __u8 bSamFreqType; | |
294 | __u8 tSamFreq[][3]; | |
295 | } __attribute__((packed)); | |
296 | ||
8fee4aff DM |
297 | struct uac_format_type_ii_ext_descriptor { |
298 | __u8 bLength; | |
299 | __u8 bDescriptorType; | |
300 | __u8 bDescriptorSubtype; | |
301 | __u8 bFormatType; | |
302 | __u16 wMaxBitRate; | |
303 | __u16 wSamplesPerFrame; | |
304 | __u8 bHeaderLength; | |
305 | __u8 bSideBandProtocol; | |
306 | } __attribute__((packed)); | |
307 | ||
de48c7bc DM |
308 | /* type III */ |
309 | #define UAC_FORMAT_TYPE_III_IEC1937_AC3 0x2001 | |
310 | #define UAC_FORMAT_TYPE_III_IEC1937_MPEG1_LAYER1 0x2002 | |
311 | #define UAC_FORMAT_TYPE_III_IEC1937_MPEG2_NOEXT 0x2003 | |
312 | #define UAC_FORMAT_TYPE_III_IEC1937_MPEG2_EXT 0x2004 | |
313 | #define UAC_FORMAT_TYPE_III_IEC1937_MPEG2_LAYER1_LS 0x2005 | |
314 | #define UAC_FORMAT_TYPE_III_IEC1937_MPEG2_LAYER23_LS 0x2006 | |
8fee4aff | 315 | |
512ad27d LP |
316 | /* Formats - A.2 Format Type Codes */ |
317 | #define UAC_FORMAT_TYPE_UNDEFINED 0x0 | |
318 | #define UAC_FORMAT_TYPE_I 0x1 | |
319 | #define UAC_FORMAT_TYPE_II 0x2 | |
320 | #define UAC_FORMAT_TYPE_III 0x3 | |
8fee4aff DM |
321 | #define UAC_EXT_FORMAT_TYPE_I 0x81 |
322 | #define UAC_EXT_FORMAT_TYPE_II 0x82 | |
323 | #define UAC_EXT_FORMAT_TYPE_III 0x83 | |
c47d7b09 | 324 | |
512ad27d | 325 | struct uac_iso_endpoint_descriptor { |
c47d7b09 BW |
326 | __u8 bLength; /* in bytes: 7 */ |
327 | __u8 bDescriptorType; /* USB_DT_CS_ENDPOINT */ | |
328 | __u8 bDescriptorSubtype; /* EP_GENERAL */ | |
329 | __u8 bmAttributes; | |
330 | __u8 bLockDelayUnits; | |
331 | __le16 wLockDelay; | |
332 | }; | |
512ad27d LP |
333 | #define UAC_ISO_ENDPOINT_DESC_SIZE 7 |
334 | ||
335 | #define UAC_EP_CS_ATTR_SAMPLE_RATE 0x01 | |
336 | #define UAC_EP_CS_ATTR_PITCH_CONTROL 0x02 | |
337 | #define UAC_EP_CS_ATTR_FILL_MAX 0x80 | |
338 | ||
8fee4aff DM |
339 | /* Audio class v2.0: CLOCK_SOURCE descriptor */ |
340 | ||
341 | struct uac_clock_source_descriptor { | |
342 | __u8 bLength; | |
343 | __u8 bDescriptorType; | |
344 | __u8 bDescriptorSubtype; | |
345 | __u8 bClockID; | |
346 | __u8 bmAttributes; | |
347 | __u8 bmControls; | |
348 | __u8 bAssocTerminal; | |
349 | __u8 iClockSource; | |
350 | } __attribute__((packed)); | |
351 | ||
512ad27d | 352 | /* A.10.2 Feature Unit Control Selectors */ |
28e1b773 DM |
353 | |
354 | struct uac_feature_unit_descriptor { | |
355 | __u8 bLength; | |
356 | __u8 bDescriptorType; | |
357 | __u8 bDescriptorSubtype; | |
358 | __u8 bUnitID; | |
359 | __u8 bSourceID; | |
360 | __u8 bControlSize; | |
361 | __u8 controls[0]; /* variable length */ | |
362 | } __attribute__((packed)); | |
363 | ||
512ad27d LP |
364 | #define UAC_FU_CONTROL_UNDEFINED 0x00 |
365 | #define UAC_MUTE_CONTROL 0x01 | |
366 | #define UAC_VOLUME_CONTROL 0x02 | |
367 | #define UAC_BASS_CONTROL 0x03 | |
368 | #define UAC_MID_CONTROL 0x04 | |
369 | #define UAC_TREBLE_CONTROL 0x05 | |
370 | #define UAC_GRAPHIC_EQUALIZER_CONTROL 0x06 | |
371 | #define UAC_AUTOMATIC_GAIN_CONTROL 0x07 | |
372 | #define UAC_DELAY_CONTROL 0x08 | |
373 | #define UAC_BASS_BOOST_CONTROL 0x09 | |
374 | #define UAC_LOUDNESS_CONTROL 0x0a | |
375 | ||
376 | #define UAC_FU_MUTE (1 << (UAC_MUTE_CONTROL - 1)) | |
377 | #define UAC_FU_VOLUME (1 << (UAC_VOLUME_CONTROL - 1)) | |
378 | #define UAC_FU_BASS (1 << (UAC_BASS_CONTROL - 1)) | |
379 | #define UAC_FU_MID (1 << (UAC_MID_CONTROL - 1)) | |
380 | #define UAC_FU_TREBLE (1 << (UAC_TREBLE_CONTROL - 1)) | |
381 | #define UAC_FU_GRAPHIC_EQ (1 << (UAC_GRAPHIC_EQUALIZER_CONTROL - 1)) | |
382 | #define UAC_FU_AUTO_GAIN (1 << (UAC_AUTOMATIC_GAIN_CONTROL - 1)) | |
383 | #define UAC_FU_DELAY (1 << (UAC_DELAY_CONTROL - 1)) | |
384 | #define UAC_FU_BASS_BOOST (1 << (UAC_BASS_BOOST_CONTROL - 1)) | |
385 | #define UAC_FU_LOUDNESS (1 << (UAC_LOUDNESS_CONTROL - 1)) | |
c47d7b09 | 386 | |
c3501308 MT |
387 | #ifdef __KERNEL__ |
388 | ||
c47d7b09 BW |
389 | struct usb_audio_control { |
390 | struct list_head list; | |
391 | const char *name; | |
392 | u8 type; | |
393 | int data[5]; | |
394 | int (*set)(struct usb_audio_control *con, u8 cmd, int value); | |
395 | int (*get)(struct usb_audio_control *con, u8 cmd); | |
396 | }; | |
397 | ||
c47d7b09 BW |
398 | struct usb_audio_control_selector { |
399 | struct list_head list; | |
400 | struct list_head control; | |
401 | u8 id; | |
402 | const char *name; | |
403 | u8 type; | |
404 | struct usb_descriptor_header *desc; | |
405 | }; | |
406 | ||
c3501308 MT |
407 | #endif /* __KERNEL__ */ |
408 | ||
dda43a0e | 409 | #endif /* __LINUX_USB_AUDIO_H */ |