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authorJassi Brar <jaswinder.singh@linaro.org>2012-02-02 11:30:48 -0500
committerFelipe Balbi <balbi@ti.com>2012-02-15 03:10:11 -0500
commit0d4e1b2a7eb7f4db8b3dc1c7ef4b507040f87ded (patch)
tree40fe6106e0bb74d3e04ae38b616ce1ad1c96ff32 /include/linux/usb
parent18b5b3b55f44c28a0380f3559d1db3c467f94b4a (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')
-rw-r--r--include/linux/usb/audio-v2.h21
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/usb/audio-v2.h b/include/linux/usb/audio-v2.h
index 964cb603f7c7..ed13053153f4 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)
43 return (bmControls >> (control * 2)) & 0x2; 43 return (bmControls >> (control * 2)) & 0x2;
44} 44}
45 45
46/* 4.7.2 Class-Specific AC Interface Descriptor */
47struct uac2_ac_header_descriptor {
48 __u8 bLength; /* 9 */
49 __u8 bDescriptorType; /* USB_DT_CS_INTERFACE */
50 __u8 bDescriptorSubtype; /* UAC_MS_HEADER */
51 __le16 bcdADC; /* 0x0200 */
52 __u8 bCategory;
53 __le16 wTotalLength; /* includes Unit and Terminal desc. */
54 __u8 bmControls;
55} __packed;
56
57/* 2.3.1.6 Type I Format Type Descriptor (Frmts20 final.pdf)*/
58struct uac2_format_type_i_descriptor {
59 __u8 bLength; /* in bytes: 6 */
60 __u8 bDescriptorType; /* USB_DT_CS_INTERFACE */
61 __u8 bDescriptorSubtype; /* FORMAT_TYPE */
62 __u8 bFormatType; /* FORMAT_TYPE_1 */
63 __u8 bSubslotSize; /* {1,2,3,4} */
64 __u8 bBitResolution;
65} __packed;
66
46/* 4.7.2.1 Clock Source Descriptor */ 67/* 4.7.2.1 Clock Source Descriptor */
47 68
48struct uac_clock_source_descriptor { 69struct uac_clock_source_descriptor {