From 5dd360ebd8328affb22225141cece3a29403b965 Mon Sep 17 00:00:00 2001 From: Daniel Mack Date: Mon, 31 May 2010 13:35:38 +0200 Subject: 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: Daniel Mack Signed-off-by: Takashi Iwai --- include/linux/usb/audio-v2.h | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/include/linux/usb/audio-v2.h b/include/linux/usb/audio-v2.h index 8f91be3599c..383b94ba8c2 100644 --- a/include/linux/usb/audio-v2.h +++ b/include/linux/usb/audio-v2.h @@ -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 */ -- cgit v1.2.3