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authorTakashi Iwai <tiwai@suse.de>2010-05-20 11:59:43 +0200
committerTakashi Iwai <tiwai@suse.de>2010-05-20 11:59:43 +0200
commit9ce3db4e7949a394bad0de91883b5e786c17607a (patch)
tree6b51509ddf78d067d28dc042674f54c1f3434fcd /include/linux/usb
parent20406f9b67e6fde4fff4639225c7a0e5ea6eaa9b (diff)
parente213e9cf707c51808e372dabd1070a61af17e77b (diff)
Merge branch 'topic/usb' into for-linus
Diffstat (limited to 'include/linux/usb')
-rw-r--r--include/linux/usb/audio-v2.h12
-rw-r--r--include/linux/usb/audio.h19
2 files changed, 29 insertions, 2 deletions
diff --git a/include/linux/usb/audio-v2.h b/include/linux/usb/audio-v2.h
index 0952231e6c3..2389f93a28b 100644
--- a/include/linux/usb/audio-v2.h
+++ b/include/linux/usb/audio-v2.h
@@ -105,6 +105,17 @@ struct uac_as_header_descriptor_v2 {
__u8 iChannelNames;
} __attribute__((packed));
+/* 6.1 Interrupt Data Message */
+
+#define UAC2_INTERRUPT_DATA_MSG_VENDOR (1 << 0)
+#define UAC2_INTERRUPT_DATA_MSG_EP (1 << 1)
+
+struct uac2_interrupt_data_msg {
+ __u8 bInfo;
+ __u8 bAttribute;
+ __le16 wValue;
+ __le16 wIndex;
+} __attribute__((packed));
/* A.7 Audio Function Category Codes */
#define UAC2_FUNCTION_SUBCLASS_UNDEFINED 0x00
@@ -153,6 +164,7 @@ struct uac_as_header_descriptor_v2 {
/* A.14 Audio Class-Specific Request Codes */
#define UAC2_CS_CUR 0x01
#define UAC2_CS_RANGE 0x02
+#define UAC2_CS_MEM 0x03
/* A.15 Encoder Type Codes */
#define UAC2_ENCODER_UNDEFINED 0x00
diff --git a/include/linux/usb/audio.h b/include/linux/usb/audio.h
index 905a87caf3f..c0ef18dc2da 100644
--- a/include/linux/usb/audio.h
+++ b/include/linux/usb/audio.h
@@ -244,7 +244,7 @@ struct uac_selector_unit_descriptor {
static inline __u8 uac_selector_unit_iSelector(struct uac_selector_unit_descriptor *desc)
{
__u8 *raw = (__u8 *) desc;
- return raw[desc->bLength - 1];
+ return raw[9 + desc->bLength - 1];
}
/* 4.3.2.5 Feature Unit Descriptor */
@@ -456,7 +456,7 @@ struct uac_iso_endpoint_descriptor {
__u8 bmAttributes;
__u8 bLockDelayUnits;
__le16 wLockDelay;
-};
+} __attribute__((packed));
#define UAC_ISO_ENDPOINT_DESC_SIZE 7
#define UAC_EP_CS_ATTR_SAMPLE_RATE 0x01
@@ -488,6 +488,21 @@ struct uac_iso_endpoint_descriptor {
#define UAC_FU_BASS_BOOST (1 << (UAC_BASS_BOOST_CONTROL - 1))
#define UAC_FU_LOUDNESS (1 << (UAC_LOUDNESS_CONTROL - 1))
+/* status word format (3.7.1.1) */
+
+#define UAC1_STATUS_TYPE_ORIG_MASK 0x0f
+#define UAC1_STATUS_TYPE_ORIG_AUDIO_CONTROL_IF 0x0
+#define UAC1_STATUS_TYPE_ORIG_AUDIO_STREAM_IF 0x1
+#define UAC1_STATUS_TYPE_ORIG_AUDIO_STREAM_EP 0x2
+
+#define UAC1_STATUS_TYPE_IRQ_PENDING (1 << 7)
+#define UAC1_STATUS_TYPE_MEM_CHANGED (1 << 6)
+
+struct uac1_status_word {
+ __u8 bStatusType;
+ __u8 bOriginator;
+} __attribute__((packed));
+
#ifdef __KERNEL__
struct usb_audio_control {