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Commit 5dd360eb authored by Daniel Mack's avatar Daniel Mack Committed by Takashi Iwai
Browse files

include/linux/usb/audio-v2.h: add more UAC2 details 



Also, remove the 'bmControl' field from uac_clock_selector_descriptor,
which was at the wrong offset. This struct is currently unused.

Signed-off-by: default avatarDaniel Mack <daniel@caiaq.de>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent a6a33259

include/linux/usb/audio-v2.h

+20 −1
Original line number Diff line number Diff line
@@ -41,6 +41,13 @@ struct uac_clock_source_descriptor { 
	__u8 iClockSource;

} __attribute__((packed));



/* bmAttribute fields */

#define UAC_CLOCK_SOURCE_TYPE_EXT	0x0

#define UAC_CLOCK_SOURCE_TYPE_INT_FIXED	0x1

#define UAC_CLOCK_SOURCE_TYPE_INT_VAR	0x2

#define UAC_CLOCK_SOURCE_TYPE_INT_PROG	0x3

#define UAC_CLOCK_SOURCE_SYNCED_TO_SOF	(1 << 2)



/* 4.7.2.2 Clock Source Descriptor */



struct uac_clock_selector_descriptor {
@@ -49,8 +56,20 @@ struct uac_clock_selector_descriptor { 
	__u8 bDescriptorSubtype;

	__u8 bClockID;

	__u8 bNrInPins;

	__u8 bmControls;

	__u8 baCSourceID[];

	/* bmControls, bAssocTerminal and iClockSource omitted */

} __attribute__((packed));



/* 4.7.2.3 Clock Multiplier Descriptor */



struct uac_clock_multiplier_descriptor {

	__u8 bLength;

	__u8 bDescriptorType;

	__u8 bDescriptorSubtype;

	__u8 bClockID;

	__u8 bCSourceID;

	__u8 bmControls;

	__u8 iClockMultiplier;

} __attribute__((packed));



/* 4.7.2.4 Input terminal descriptor */