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![Greg Kroah-Hartman](/assets/img/avatar_default.png)
It's good to have SPDX identifiers in all files to make it easier to audit the kernel tree for correct licenses. Update the drivers/usb/ and include/linux/usb* files with the correct SPDX license identifier based on the license text in the file itself. The SPDX identifier is a legally binding shorthand, which can be used instead of the full boiler plate text. This work is based on a script and data from Thomas Gleixner, Philippe Ombredanne, and Kate Stewart. Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Kate Stewart <kstewart@linuxfoundation.org> Cc: Philippe Ombredanne <pombredanne@nexb.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Felipe Balbi <felipe.balbi@linux.intel.com> Acked-by: Johan Hovold <johan@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
462 lines
13 KiB
C
462 lines
13 KiB
C
// SPDX-License-Identifier: GPL-2.0
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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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/*
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* bmControl field decoders
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*
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* From the USB Audio spec v2.0:
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*
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* bmaControls() is a (ch+1)-element array of 4-byte bitmaps,
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* each containing a set of bit pairs. If a Control is present,
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* it must be Host readable. If a certain Control is not
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* present then the bit pair must be set to 0b00.
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* If a Control is present but read-only, the bit pair must be
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* set to 0b01. If a Control is also Host programmable, the bit
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* pair must be set to 0b11. The value 0b10 is not allowed.
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*
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*/
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static inline bool uac2_control_is_readable(u32 bmControls, u8 control)
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{
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return (bmControls >> (control * 2)) & 0x1;
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}
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static inline bool uac2_control_is_writeable(u32 bmControls, u8 control)
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{
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return (bmControls >> (control * 2)) & 0x2;
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}
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/* 4.7.2 Class-Specific AC Interface Descriptor */
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struct uac2_ac_header_descriptor {
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__u8 bLength; /* 9 */
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__u8 bDescriptorType; /* USB_DT_CS_INTERFACE */
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__u8 bDescriptorSubtype; /* UAC_MS_HEADER */
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__le16 bcdADC; /* 0x0200 */
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__u8 bCategory;
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__le16 wTotalLength; /* includes Unit and Terminal desc. */
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__u8 bmControls;
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} __packed;
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/* 2.3.1.6 Type I Format Type Descriptor (Frmts20 final.pdf)*/
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struct uac2_format_type_i_descriptor {
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__u8 bLength; /* in bytes: 6 */
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__u8 bDescriptorType; /* USB_DT_CS_INTERFACE */
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__u8 bDescriptorSubtype; /* FORMAT_TYPE */
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__u8 bFormatType; /* FORMAT_TYPE_1 */
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__u8 bSubslotSize; /* {1,2,3,4} */
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__u8 bBitResolution;
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} __packed;
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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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/* bmAttribute fields */
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#define UAC_CLOCK_SOURCE_TYPE_EXT 0x0
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#define UAC_CLOCK_SOURCE_TYPE_INT_FIXED 0x1
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#define UAC_CLOCK_SOURCE_TYPE_INT_VAR 0x2
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#define UAC_CLOCK_SOURCE_TYPE_INT_PROG 0x3
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#define UAC_CLOCK_SOURCE_SYNCED_TO_SOF (1 << 2)
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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 baCSourceID[];
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/* bmControls, bAssocTerminal and iClockSource omitted */
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} __attribute__((packed));
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/* 4.7.2.3 Clock Multiplier Descriptor */
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struct uac_clock_multiplier_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 bCSourceID;
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__u8 bmControls;
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__u8 iClockMultiplier;
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} __attribute__((packed));
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/* 4.7.2.4 Input terminal descriptor */
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struct uac2_input_terminal_descriptor {
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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubtype;
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__u8 bTerminalID;
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__le16 wTerminalType;
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__u8 bAssocTerminal;
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__u8 bCSourceID;
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__u8 bNrChannels;
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__le32 bmChannelConfig;
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__u8 iChannelNames;
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__le16 bmControls;
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__u8 iTerminal;
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} __attribute__((packed));
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/* 4.7.2.5 Output terminal descriptor */
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struct uac2_output_terminal_descriptor {
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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubtype;
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__u8 bTerminalID;
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__le16 wTerminalType;
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__u8 bAssocTerminal;
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__u8 bSourceID;
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__u8 bCSourceID;
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__le16 bmControls;
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__u8 iTerminal;
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} __attribute__((packed));
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/* 4.7.2.8 Feature Unit Descriptor */
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struct uac2_feature_unit_descriptor {
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__u8 bLength;
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__u8 bDescriptorType;
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__u8 bDescriptorSubtype;
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__u8 bUnitID;
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__u8 bSourceID;
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/* bmaControls is actually u32,
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* but u8 is needed for the hybrid parser */
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__u8 bmaControls[0]; /* variable length */
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} __attribute__((packed));
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/* 4.9.2 Class-Specific AS Interface Descriptor */
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struct uac2_as_header_descriptor {
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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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__le32 bmFormats;
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__u8 bNrChannels;
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__le32 bmChannelConfig;
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__u8 iChannelNames;
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} __attribute__((packed));
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#define UAC2_FORMAT_TYPE_I_RAW_DATA (1 << 31)
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/* 4.10.1.2 Class-Specific AS Isochronous Audio Data Endpoint Descriptor */
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struct uac2_iso_endpoint_descriptor {
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__u8 bLength; /* in bytes: 8 */
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__u8 bDescriptorType; /* USB_DT_CS_ENDPOINT */
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__u8 bDescriptorSubtype; /* EP_GENERAL */
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__u8 bmAttributes;
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__u8 bmControls;
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__u8 bLockDelayUnits;
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__le16 wLockDelay;
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} __attribute__((packed));
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#define UAC2_CONTROL_PITCH (3 << 0)
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#define UAC2_CONTROL_DATA_OVERRUN (3 << 2)
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#define UAC2_CONTROL_DATA_UNDERRUN (3 << 4)
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/* 6.1 Interrupt Data Message */
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#define UAC2_INTERRUPT_DATA_MSG_VENDOR (1 << 0)
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#define UAC2_INTERRUPT_DATA_MSG_EP (1 << 1)
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struct uac2_interrupt_data_msg {
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__u8 bInfo;
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__u8 bAttribute;
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__le16 wValue;
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__le16 wIndex;
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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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#define UAC2_CS_MEM 0x03
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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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