summaryrefslogtreecommitdiffstats
path: root/include/linux/usb/audio-v2.h
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2012-04-14 13:18:27 +0200
committerIngo Molnar <mingo@kernel.org>2012-04-14 13:19:04 +0200
commit6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch)
tree021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /include/linux/usb/audio-v2.h
parent682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff)
parenta385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff)
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree), to prepare for tooling changes, and also to pick up v3.4 MM changes that the uprobes code needs to take care of. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include/linux/usb/audio-v2.h')
-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 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 {