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authorIngo Molnar <mingo@elte.hu>2010-06-18 10:53:12 +0200
committerIngo Molnar <mingo@elte.hu>2010-06-18 10:53:19 +0200
commit646b1db4956ba8bf748b835b5eba211133d91c2e (patch)
tree061166d873d9da9cf83044a7593ad111787076c5 /include/linux/usb/audio-v2.h
parent0f2c3de2ba110626515234d5d584fb1b0c0749a2 (diff)
parent7e27d6e778cd87b6f2415515d7127eba53fe5d02 (diff)
downloadblackbird-op-linux-646b1db4956ba8bf748b835b5eba211133d91c2e.tar.gz
blackbird-op-linux-646b1db4956ba8bf748b835b5eba211133d91c2e.zip
Merge commit 'v2.6.35-rc3' into perf/core
Merge reason: Go from -rc1 base to -rc3 base, merge in fixes.
Diffstat (limited to 'include/linux/usb/audio-v2.h')
-rw-r--r--include/linux/usb/audio-v2.h31
1 files changed, 30 insertions, 1 deletions
diff --git a/include/linux/usb/audio-v2.h b/include/linux/usb/audio-v2.h
index 92f1d99f0f17..383b94ba8c20 100644
--- a/include/linux/usb/audio-v2.h
+++ b/include/linux/usb/audio-v2.h
@@ -18,6 +18,16 @@
/* v1.0 and v2.0 of this standard have many things in common. For the rest
* of the definitions, please refer to audio.h */
+static inline bool uac2_control_is_readable(u32 bmControls, u8 control)
+{
+ return (bmControls >> (control * 2)) & 0x1;
+}
+
+static inline bool uac2_control_is_writeable(u32 bmControls, u8 control)
+{
+ return (bmControls >> (control * 2)) & 0x2;
+}
+
/* 4.7.2.1 Clock Source Descriptor */
struct uac_clock_source_descriptor {
@@ -31,6 +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 {
@@ -39,8 +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 */
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