diff options
| author | Jassi Brar <jaswinder.singh@linaro.org> | 2012-02-02 22:00:48 +0530 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2012-02-15 10:10:11 +0200 |
| commit | 0d4e1b2a7eb7f4db8b3dc1c7ef4b507040f87ded (patch) | |
| tree | 40fe6106e0bb74d3e04ae38b616ce1ad1c96ff32 /include/linux/usb/audio-v2.h | |
| parent | 18b5b3b55f44c28a0380f3559d1db3c467f94b4a (diff) | |
usb: uac2: Add ACHeader and FormatType descriptor
Add missing, but needed, ACHeader and FormatType descriptor definitions.
Signed-off-by: Yadi Brar <yadi.brar01@gmail.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'include/linux/usb/audio-v2.h')
| -rw-r--r-- | include/linux/usb/audio-v2.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/usb/audio-v2.h b/include/linux/usb/audio-v2.h index 964cb603f7c..ed13053153f 100644 --- a/include/linux/usb/audio-v2.h +++ b/include/linux/usb/audio-v2.h @@ -43,6 +43,27 @@ static inline bool uac2_control_is_writeable(u32 bmControls, u8 control) return (bmControls >> (control * 2)) & 0x2; } +/* 4.7.2 Class-Specific AC Interface Descriptor */ +struct uac2_ac_header_descriptor { + __u8 bLength; /* 9 */ + __u8 bDescriptorType; /* USB_DT_CS_INTERFACE */ + __u8 bDescriptorSubtype; /* UAC_MS_HEADER */ + __le16 bcdADC; /* 0x0200 */ + __u8 bCategory; + __le16 wTotalLength; /* includes Unit and Terminal desc. */ + __u8 bmControls; +} __packed; + +/* 2.3.1.6 Type I Format Type Descriptor (Frmts20 final.pdf)*/ +struct uac2_format_type_i_descriptor { + __u8 bLength; /* in bytes: 6 */ + __u8 bDescriptorType; /* USB_DT_CS_INTERFACE */ + __u8 bDescriptorSubtype; /* FORMAT_TYPE */ + __u8 bFormatType; /* FORMAT_TYPE_1 */ + __u8 bSubslotSize; /* {1,2,3,4} */ + __u8 bBitResolution; +} __packed; + /* 4.7.2.1 Clock Source Descriptor */ struct uac_clock_source_descriptor { |