diff options
| author | Daniel Mack <daniel@caiaq.de> | 2010-05-31 13:35:38 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-05-31 18:16:14 +0200 |
| commit | 5dd360ebd8328affb22225141cece3a29403b965 (patch) | |
| tree | aac45704e11484151404d0660097b19b284318d4 /include/linux/usb/audio-v2.h | |
| parent | a6a3325913efbe35a10e87fd3e9c3ce621fd32c7 (diff) | |
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 <daniel@caiaq.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/linux/usb/audio-v2.h')
| -rw-r--r-- | include/linux/usb/audio-v2.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/include/linux/usb/audio-v2.h b/include/linux/usb/audio-v2.h index 8f91be3599c6..383b94ba8c20 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 */ |