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authorTakashi Iwai <tiwai@suse.de>2010-05-29 21:50:33 +0200
committerTakashi Iwai <tiwai@suse.de>2010-05-29 21:50:33 +0200
commita98d3984c85222aa9efc63c4f9dd3d805ce469f2 (patch)
treeaeb9ebdcc06ca92b8114f30cedf16b8f3780b3f2 /include
parent52593de4c11fb24c83d8036ba34706881aab5e3d (diff)
parent55567ab70bd8551c73253e44ea5244db41eac81b (diff)
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Merge branch 'fix/misc' into for-linus
Diffstat (limited to 'include')
-rw-r--r--include/linux/usb/audio-v2.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/linux/usb/audio-v2.h b/include/linux/usb/audio-v2.h
index 2389f93a28b..92f1d99f0f1 100644
--- a/include/linux/usb/audio-v2.h
+++ b/include/linux/usb/audio-v2.h
@@ -105,6 +105,22 @@ struct uac_as_header_descriptor_v2 {
__u8 iChannelNames;
} __attribute__((packed));
+/* 4.10.1.2 Class-Specific AS Isochronous Audio Data Endpoint Descriptor */
+
+struct uac2_iso_endpoint_descriptor {
+ __u8 bLength; /* in bytes: 8 */
+ __u8 bDescriptorType; /* USB_DT_CS_ENDPOINT */
+ __u8 bDescriptorSubtype; /* EP_GENERAL */
+ __u8 bmAttributes;
+ __u8 bmControls;
+ __u8 bLockDelayUnits;
+ __le16 wLockDelay;
+} __attribute__((packed));
+
+#define UAC2_CONTROL_PITCH (3 << 0)
+#define UAC2_CONTROL_DATA_OVERRUN (3 << 2)
+#define UAC2_CONTROL_DATA_UNDERRUN (3 << 4)
+
/* 6.1 Interrupt Data Message */
#define UAC2_INTERRUPT_DATA_MSG_VENDOR (1 << 0)