linux/usb/audio.h: split header
- Split the audio.h file in two to clearly denote the differences between the standards. - Add many more defines to audio-v2.h. Most of them are not currently used. - Replaced a magic value with a proper define Signed-off-by: Daniel Mack <daniel@caiaq.de> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Cc: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Daniel Mack
Takashi Iwai
parent
36e632d61a
commit
7e84789403
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@ -0,0 +1,319 @@
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/*
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* Copyright (c) 2010 Daniel Mack <daniel@caiaq.de>
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*
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* This software is distributed under the terms of the GNU General Public
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* License ("GPL") version 2, as published by the Free Software Foundation.
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*
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* This file holds USB constants and structures defined
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* by the USB Device Class Definition for Audio Devices in version 2.0.
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* Comments below reference relevant sections of the documents contained
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* in http://www.usb.org/developers/devclass_docs/Audio2.0_final.zip
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*/
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#ifndef __LINUX_USB_AUDIO_V2_H
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#define __LINUX_USB_AUDIO_V2_H
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#include <linux/types.h>
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/* v1.0 and v2.0 of this standard have many things in common. For the rest
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* of the definitions, please refer to audio.h */
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/* 4.7.2.1 Clock Source Descriptor */
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struct uac_clock_source_descriptor {
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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubtype;
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__u8 bClockID;
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__u8 bmAttributes;
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__u8 bmControls;
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__u8 bAssocTerminal;
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__u8 iClockSource;
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} __attribute__((packed));
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/* 4.7.2.2 Clock Source Descriptor */
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struct uac_clock_selector_descriptor {
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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubtype;
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__u8 bClockID;
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__u8 bNrInPins;
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__u8 bmControls;
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__u8 baCSourceID[];
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} __attribute__((packed));
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/* 4.9.2 Class-Specific AS Interface Descriptor */
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struct uac_as_header_descriptor_v2 {
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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubtype;
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__u8 bTerminalLink;
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__u8 bmControls;
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__u8 bFormatType;
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__u32 bmFormats;
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__u8 bNrChannels;
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__u32 bmChannelConfig;
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__u8 iChannelNames;
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} __attribute__((packed));
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/* A.7 Audio Function Category Codes */
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#define UAC2_FUNCTION_SUBCLASS_UNDEFINED 0x00
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#define UAC2_FUNCTION_DESKTOP_SPEAKER 0x01
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#define UAC2_FUNCTION_HOME_THEATER 0x02
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#define UAC2_FUNCTION_MICROPHONE 0x03
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#define UAC2_FUNCTION_HEADSET 0x04
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#define UAC2_FUNCTION_TELEPHONE 0x05
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#define UAC2_FUNCTION_CONVERTER 0x06
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#define UAC2_FUNCTION_SOUND_RECORDER 0x07
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#define UAC2_FUNCTION_IO_BOX 0x08
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#define UAC2_FUNCTION_MUSICAL_INSTRUMENT 0x09
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#define UAC2_FUNCTION_PRO_AUDIO 0x0a
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#define UAC2_FUNCTION_AUDIO_VIDEO 0x0b
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#define UAC2_FUNCTION_CONTROL_PANEL 0x0c
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#define UAC2_FUNCTION_OTHER 0xff
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/* A.9 Audio Class-Specific AC Interface Descriptor Subtypes */
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/* see audio.h for the rest, which is identical to v1 */
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#define UAC2_EFFECT_UNIT 0x07
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#define UAC2_PROCESSING_UNIT_V2 0x08
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#define UAC2_EXTENSION_UNIT_V2 0x09
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#define UAC2_CLOCK_SOURCE 0x0a
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#define UAC2_CLOCK_SELECTOR 0x0b
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#define UAC2_CLOCK_MULTIPLIER 0x0c
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#define UAC2_SAMPLE_RATE_CONVERTER 0x0d
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/* A.10 Audio Class-Specific AS Interface Descriptor Subtypes */
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/* see audio.h for the rest, which is identical to v1 */
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#define UAC2_ENCODER 0x03
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#define UAC2_DECODER 0x04
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/* A.11 Effect Unit Effect Types */
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#define UAC2_EFFECT_UNDEFINED 0x00
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#define UAC2_EFFECT_PARAM_EQ 0x01
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#define UAC2_EFFECT_REVERB 0x02
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#define UAC2_EFFECT_MOD_DELAY 0x03
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#define UAC2_EFFECT_DYN_RANGE_COMP 0x04
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/* A.12 Processing Unit Process Types */
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#define UAC2_PROCESS_UNDEFINED 0x00
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#define UAC2_PROCESS_UP_DOWNMIX 0x01
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#define UAC2_PROCESS_DOLBY_PROLOCIC 0x02
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#define UAC2_PROCESS_STEREO_EXTENDER 0x03
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/* A.14 Audio Class-Specific Request Codes */
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#define UAC2_CS_CUR 0x01
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#define UAC2_CS_RANGE 0x02
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/* A.15 Encoder Type Codes */
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#define UAC2_ENCODER_UNDEFINED 0x00
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#define UAC2_ENCODER_OTHER 0x01
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#define UAC2_ENCODER_MPEG 0x02
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#define UAC2_ENCODER_AC3 0x03
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#define UAC2_ENCODER_WMA 0x04
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#define UAC2_ENCODER_DTS 0x05
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/* A.16 Decoder Type Codes */
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#define UAC2_DECODER_UNDEFINED 0x00
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#define UAC2_DECODER_OTHER 0x01
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#define UAC2_DECODER_MPEG 0x02
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#define UAC2_DECODER_AC3 0x03
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#define UAC2_DECODER_WMA 0x04
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#define UAC2_DECODER_DTS 0x05
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/* A.17.1 Clock Source Control Selectors */
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#define UAC2_CS_UNDEFINED 0x00
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#define UAC2_CS_CONTROL_SAM_FREQ 0x01
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#define UAC2_CS_CONTROL_CLOCK_VALID 0x02
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/* A.17.2 Clock Selector Control Selectors */
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#define UAC2_CX_UNDEFINED 0x00
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#define UAC2_CX_CLOCK_SELECTOR 0x01
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/* A.17.3 Clock Multiplier Control Selectors */
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#define UAC2_CM_UNDEFINED 0x00
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#define UAC2_CM_NUMERATOR 0x01
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#define UAC2_CM_DENOMINTATOR 0x02
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/* A.17.4 Terminal Control Selectors */
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#define UAC2_TE_UNDEFINED 0x00
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#define UAC2_TE_COPY_PROTECT 0x01
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#define UAC2_TE_CONNECTOR 0x02
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#define UAC2_TE_OVERLOAD 0x03
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#define UAC2_TE_CLUSTER 0x04
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#define UAC2_TE_UNDERFLOW 0x05
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#define UAC2_TE_OVERFLOW 0x06
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#define UAC2_TE_LATENCY 0x07
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/* A.17.5 Mixer Control Selectors */
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#define UAC2_MU_UNDEFINED 0x00
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#define UAC2_MU_MIXER 0x01
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#define UAC2_MU_CLUSTER 0x02
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#define UAC2_MU_UNDERFLOW 0x03
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#define UAC2_MU_OVERFLOW 0x04
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#define UAC2_MU_LATENCY 0x05
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/* A.17.6 Selector Control Selectors */
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#define UAC2_SU_UNDEFINED 0x00
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#define UAC2_SU_SELECTOR 0x01
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#define UAC2_SU_LATENCY 0x02
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/* A.17.7 Feature Unit Control Selectors */
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/* see audio.h for the rest, which is identical to v1 */
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#define UAC2_FU_INPUT_GAIN 0x0b
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#define UAC2_FU_INPUT_GAIN_PAD 0x0c
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#define UAC2_FU_PHASE_INVERTER 0x0d
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#define UAC2_FU_UNDERFLOW 0x0e
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#define UAC2_FU_OVERFLOW 0x0f
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#define UAC2_FU_LATENCY 0x10
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/* A.17.8.1 Parametric Equalizer Section Effect Unit Control Selectors */
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#define UAC2_PE_UNDEFINED 0x00
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#define UAC2_PE_ENABLE 0x01
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#define UAC2_PE_CENTERFREQ 0x02
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#define UAC2_PE_QFACTOR 0x03
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#define UAC2_PE_GAIN 0x04
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#define UAC2_PE_UNDERFLOW 0x05
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#define UAC2_PE_OVERFLOW 0x06
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#define UAC2_PE_LATENCY 0x07
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/* A.17.8.2 Reverberation Effect Unit Control Selectors */
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#define UAC2_RV_UNDEFINED 0x00
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#define UAC2_RV_ENABLE 0x01
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#define UAC2_RV_TYPE 0x02
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#define UAC2_RV_LEVEL 0x03
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#define UAC2_RV_TIME 0x04
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#define UAC2_RV_FEEDBACK 0x05
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#define UAC2_RV_PREDELAY 0x06
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#define UAC2_RV_DENSITY 0x07
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#define UAC2_RV_HIFREQ_ROLLOFF 0x08
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#define UAC2_RV_UNDERFLOW 0x09
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#define UAC2_RV_OVERFLOW 0x0a
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#define UAC2_RV_LATENCY 0x0b
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/* A.17.8.3 Modulation Delay Effect Control Selectors */
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#define UAC2_MD_UNDEFINED 0x00
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#define UAC2_MD_ENABLE 0x01
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#define UAC2_MD_BALANCE 0x02
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#define UAC2_MD_RATE 0x03
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#define UAC2_MD_DEPTH 0x04
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#define UAC2_MD_TIME 0x05
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#define UAC2_MD_FEEDBACK 0x06
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#define UAC2_MD_UNDERFLOW 0x07
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#define UAC2_MD_OVERFLOW 0x08
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#define UAC2_MD_LATENCY 0x09
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/* A.17.8.4 Dynamic Range Compressor Effect Unit Control Selectors */
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#define UAC2_DR_UNDEFINED 0x00
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#define UAC2_DR_ENABLE 0x01
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#define UAC2_DR_COMPRESSION_RATE 0x02
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#define UAC2_DR_MAXAMPL 0x03
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#define UAC2_DR_THRESHOLD 0x04
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#define UAC2_DR_ATTACK_TIME 0x05
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#define UAC2_DR_RELEASE_TIME 0x06
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#define UAC2_DR_UNDEFLOW 0x07
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#define UAC2_DR_OVERFLOW 0x08
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#define UAC2_DR_LATENCY 0x09
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/* A.17.9.1 Up/Down-mix Processing Unit Control Selectors */
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#define UAC2_UD_UNDEFINED 0x00
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#define UAC2_UD_ENABLE 0x01
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#define UAC2_UD_MODE_SELECT 0x02
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#define UAC2_UD_CLUSTER 0x03
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#define UAC2_UD_UNDERFLOW 0x04
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#define UAC2_UD_OVERFLOW 0x05
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#define UAC2_UD_LATENCY 0x06
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/* A.17.9.2 Dolby Prologic[tm] Processing Unit Control Selectors */
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#define UAC2_DP_UNDEFINED 0x00
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#define UAC2_DP_ENABLE 0x01
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#define UAC2_DP_MODE_SELECT 0x02
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#define UAC2_DP_CLUSTER 0x03
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#define UAC2_DP_UNDERFFLOW 0x04
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#define UAC2_DP_OVERFLOW 0x05
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#define UAC2_DP_LATENCY 0x06
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/* A.17.9.3 Stereo Expander Processing Unit Control Selectors */
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#define UAC2_ST_EXT_UNDEFINED 0x00
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#define UAC2_ST_EXT_ENABLE 0x01
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#define UAC2_ST_EXT_WIDTH 0x02
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#define UAC2_ST_EXT_UNDEFLOW 0x03
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#define UAC2_ST_EXT_OVERFLOW 0x04
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#define UAC2_ST_EXT_LATENCY 0x05
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/* A.17.10 Extension Unit Control Selectors */
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#define UAC2_XU_UNDEFINED 0x00
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#define UAC2_XU_ENABLE 0x01
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#define UAC2_XU_CLUSTER 0x02
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#define UAC2_XU_UNDERFLOW 0x03
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#define UAC2_XU_OVERFLOW 0x04
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#define UAC2_XU_LATENCY 0x05
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/* A.17.11 AudioStreaming Interface Control Selectors */
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#define UAC2_AS_UNDEFINED 0x00
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#define UAC2_AS_ACT_ALT_SETTING 0x01
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#define UAC2_AS_VAL_ALT_SETTINGS 0x02
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#define UAC2_AS_AUDIO_DATA_FORMAT 0x03
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/* A.17.12 Encoder Control Selectors */
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#define UAC2_EN_UNDEFINED 0x00
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#define UAC2_EN_BIT_RATE 0x01
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#define UAC2_EN_QUALITY 0x02
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#define UAC2_EN_VBR 0x03
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#define UAC2_EN_TYPE 0x04
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#define UAC2_EN_UNDERFLOW 0x05
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#define UAC2_EN_OVERFLOW 0x06
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#define UAC2_EN_ENCODER_ERROR 0x07
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#define UAC2_EN_PARAM1 0x08
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#define UAC2_EN_PARAM2 0x09
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#define UAC2_EN_PARAM3 0x0a
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#define UAC2_EN_PARAM4 0x0b
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#define UAC2_EN_PARAM5 0x0c
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#define UAC2_EN_PARAM6 0x0d
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#define UAC2_EN_PARAM7 0x0e
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#define UAC2_EN_PARAM8 0x0f
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/* A.17.13.1 MPEG Decoder Control Selectors */
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#define UAC2_MPEG_UNDEFINED 0x00
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#define UAC2_MPEG_DUAL_CHANNEL 0x01
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#define UAC2_MPEG_SECOND_STEREO 0x02
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#define UAC2_MPEG_MULTILINGUAL 0x03
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#define UAC2_MPEG_DYN_RANGE 0x04
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#define UAC2_MPEG_SCALING 0x05
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#define UAC2_MPEG_HILO_SCALING 0x06
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#define UAC2_MPEG_UNDERFLOW 0x07
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#define UAC2_MPEG_OVERFLOW 0x08
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#define UAC2_MPEG_DECODER_ERROR 0x09
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/* A17.13.2 AC3 Decoder Control Selectors */
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#define UAC2_AC3_UNDEFINED 0x00
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#define UAC2_AC3_MODE 0x01
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#define UAC2_AC3_DYN_RANGE 0x02
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#define UAC2_AC3_SCALING 0x03
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#define UAC2_AC3_HILO_SCALING 0x04
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#define UAC2_AC3_UNDERFLOW 0x05
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#define UAC2_AC3_OVERFLOW 0x06
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#define UAC2_AC3_DECODER_ERROR 0x07
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/* A17.13.3 WMA Decoder Control Selectors */
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#define UAC2_WMA_UNDEFINED 0x00
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#define UAC2_WMA_UNDERFLOW 0x01
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#define UAC2_WMA_OVERFLOW 0x02
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#define UAC2_WMA_DECODER_ERROR 0x03
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/* A17.13.4 DTS Decoder Control Selectors */
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#define UAC2_DTS_UNDEFINED 0x00
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#define UAC2_DTS_UNDERFLOW 0x01
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#define UAC2_DTS_OVERFLOW 0x02
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#define UAC2_DTS_DECODER_ERROR 0x03
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/* A17.14 Endpoint Control Selectors */
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#define UAC2_EP_CS_UNDEFINED 0x00
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#define UAC2_EP_CS_PITCH 0x01
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#define UAC2_EP_CS_DATA_OVERRUN 0x02
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#define UAC2_EP_CS_DATA_UNDERRUN 0x03
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#endif /* __LINUX_USB_AUDIO_V2_H */
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@ -13,6 +13,9 @@
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* Comments below reference relevant sections of that document:
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*
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* http://www.usb.org/developers/devclass_docs/audio10.pdf
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*
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* Types and defines in this file are either specific to version 1.0 of
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* this standard or common for newer versions.
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*/
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#ifndef __LINUX_USB_AUDIO_H
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@ -20,14 +23,15 @@
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#include <linux/types.h>
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/* bInterfaceProtocol values to denote the version of the standard used */
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#define UAC_VERSION_1 0x00
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#define UAC_VERSION_2 0x20
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/* A.2 Audio Interface Subclass Codes */
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#define USB_SUBCLASS_AUDIOCONTROL 0x01
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#define USB_SUBCLASS_AUDIOSTREAMING 0x02
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#define USB_SUBCLASS_MIDISTREAMING 0x03
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#define UAC_VERSION_1 0x00
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#define UAC_VERSION_2 0x20
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/* A.5 Audio Class-Specific AC Interface Descriptor Subtypes */
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#define UAC_HEADER 0x01
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#define UAC_INPUT_TERMINAL 0x02
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@ -38,15 +42,6 @@
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#define UAC_PROCESSING_UNIT_V1 0x07
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#define UAC_EXTENSION_UNIT_V1 0x08
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/* UAC v2.0 types */
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#define UAC_EFFECT_UNIT 0x07
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#define UAC_PROCESSING_UNIT_V2 0x08
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#define UAC_EXTENSION_UNIT_V2 0x09
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#define UAC_CLOCK_SOURCE 0x0a
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#define UAC_CLOCK_SELECTOR 0x0b
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#define UAC_CLOCK_MULTIPLIER 0x0c
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#define UAC_SAMPLE_RATE_CONVERTER 0x0d
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/* A.6 Audio Class-Specific AS Interface Descriptor Subtypes */
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#define UAC_AS_GENERAL 0x01
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#define UAC_FORMAT_TYPE 0x02
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@ -78,10 +73,6 @@
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#define UAC_GET_STAT 0xff
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/* Audio class v2.0 handles all the parameter calls differently */
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#define UAC2_CS_CUR 0x01
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#define UAC2_CS_RANGE 0x02
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/* MIDI - A.1 MS Class-Specific Interface Descriptor Subtypes */
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#define UAC_MS_HEADER 0x01
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#define UAC_MIDI_IN_JACK 0x02
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@ -200,19 +191,6 @@ struct uac_as_header_descriptor_v1 {
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__le16 wFormatTag; /* The Audio Data Format */
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} __attribute__ ((packed));
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struct uac_as_header_descriptor_v2 {
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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubtype;
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__u8 bTerminalLink;
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__u8 bmControls;
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__u8 bFormatType;
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__u32 bmFormats;
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__u8 bNrChannels;
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__u32 bmChannelConfig;
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__u8 iChannelNames;
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} __attribute__((packed));
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#define UAC_DT_AS_HEADER_SIZE 7
|
||||
|
||||
/* Formats - A.1.1 Audio Data Format Type I Codes */
|
||||
|
|
@ -277,7 +255,6 @@ struct uac_format_type_i_ext_descriptor {
|
|||
__u8 bSideBandProtocol;
|
||||
} __attribute__((packed));
|
||||
|
||||
|
||||
/* Formats - Audio Data Format Type I Codes */
|
||||
|
||||
#define UAC_FORMAT_TYPE_II_MPEG 0x1001
|
||||
|
|
@ -336,19 +313,6 @@ struct uac_iso_endpoint_descriptor {
|
|||
#define UAC_EP_CS_ATTR_PITCH_CONTROL 0x02
|
||||
#define UAC_EP_CS_ATTR_FILL_MAX 0x80
|
||||
|
||||
/* Audio class v2.0: CLOCK_SOURCE descriptor */
|
||||
|
||||
struct uac_clock_source_descriptor {
|
||||
__u8 bLength;
|
||||
__u8 bDescriptorType;
|
||||
__u8 bDescriptorSubtype;
|
||||
__u8 bClockID;
|
||||
__u8 bmAttributes;
|
||||
__u8 bmControls;
|
||||
__u8 bAssocTerminal;
|
||||
__u8 iClockSource;
|
||||
} __attribute__((packed));
|
||||
|
||||
/* A.10.2 Feature Unit Control Selectors */
|
||||
|
||||
struct uac_feature_unit_descriptor {
|
||||
|
|
|
|||
|
|
@ -45,6 +45,7 @@
|
|||
#include <linux/moduleparam.h>
|
||||
#include <linux/mutex.h>
|
||||
#include <linux/usb/audio.h>
|
||||
#include <linux/usb/audio-v2.h>
|
||||
|
||||
#include <sound/core.h>
|
||||
#include <sound/info.h>
|
||||
|
|
@ -250,7 +251,7 @@ static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif)
|
|||
* clock selectors and sample rate conversion units. */
|
||||
|
||||
cs = snd_usb_find_csint_desc(host_iface->extra, host_iface->extralen,
|
||||
NULL, UAC_CLOCK_SOURCE);
|
||||
NULL, UAC2_CLOCK_SOURCE);
|
||||
|
||||
if (!cs) {
|
||||
snd_printk(KERN_ERR "CLOCK_SOURCE descriptor not found\n");
|
||||
|
|
|
|||
|
|
@ -18,6 +18,7 @@
|
|||
#include <linux/init.h>
|
||||
#include <linux/usb.h>
|
||||
#include <linux/usb/audio.h>
|
||||
#include <linux/usb/audio-v2.h>
|
||||
|
||||
#include <sound/core.h>
|
||||
#include <sound/pcm.h>
|
||||
|
|
|
|||
|
|
@ -18,6 +18,7 @@
|
|||
#include <linux/init.h>
|
||||
#include <linux/usb.h>
|
||||
#include <linux/usb/audio.h>
|
||||
#include <linux/usb/audio-v2.h>
|
||||
|
||||
#include <sound/core.h>
|
||||
#include <sound/pcm.h>
|
||||
|
|
|
|||
|
|
@ -17,6 +17,7 @@
|
|||
#include <linux/init.h>
|
||||
#include <linux/usb.h>
|
||||
#include <linux/usb/audio.h>
|
||||
#include <linux/usb/audio-v2.h>
|
||||
|
||||
#include <sound/core.h>
|
||||
#include <sound/pcm.h>
|
||||
|
|
@ -215,7 +216,7 @@ static int set_sample_rate_v2(struct snd_usb_audio *chip, int iface,
|
|||
data[3] = rate >> 24;
|
||||
if ((err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC2_CS_CUR,
|
||||
USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT,
|
||||
0x0100, chip->clock_id << 8,
|
||||
UAC2_CS_CONTROL_SAM_FREQ << 8, chip->clock_id << 8,
|
||||
data, sizeof(data), 1000)) < 0) {
|
||||
snd_printk(KERN_ERR "%d:%d:%d: cannot set freq %d (v2)\n",
|
||||
dev->devnum, iface, fmt->altsetting, rate);
|
||||
|
|
@ -223,7 +224,7 @@ static int set_sample_rate_v2(struct snd_usb_audio *chip, int iface,
|
|||
}
|
||||
if ((err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC2_CS_CUR,
|
||||
USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN,
|
||||
0x0100, chip->clock_id << 8,
|
||||
UAC2_CS_CONTROL_SAM_FREQ << 8, chip->clock_id << 8,
|
||||
data, sizeof(data), 1000)) < 0) {
|
||||
snd_printk(KERN_WARNING "%d:%d:%d: cannot get freq (v2)\n",
|
||||
dev->devnum, iface, fmt->altsetting);
|
||||
|
|
|
|||
Reference in New Issue