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path: root/drivers/usb/gadget/function/uvc.h
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Diffstat (limited to 'drivers/usb/gadget/function/uvc.h')
-rw-r--r--drivers/usb/gadget/function/uvc.h15
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/usb/gadget/function/uvc.h b/drivers/usb/gadget/function/uvc.h
index 23ee25383c1f..255a61bd6a6a 100644
--- a/drivers/usb/gadget/function/uvc.h
+++ b/drivers/usb/gadget/function/uvc.h
@@ -65,13 +65,19 @@ extern unsigned int uvc_gadget_trace_param;
* Driver specific constants
*/
-#define UVC_NUM_REQUESTS 4
#define UVC_MAX_REQUEST_SIZE 64
#define UVC_MAX_EVENTS 4
/* ------------------------------------------------------------------------
* Structures
*/
+struct uvc_request {
+ struct usb_request *req;
+ u8 *req_buffer;
+ struct uvc_video *video;
+ struct sg_table sgt;
+ u8 header[2];
+};
struct uvc_video {
struct uvc_device *uvc;
@@ -87,13 +93,16 @@ struct uvc_video {
unsigned int imagesize;
struct mutex mutex; /* protects frame parameters */
+ unsigned int uvc_num_requests;
+
/* Requests */
unsigned int req_size;
- struct usb_request *req[UVC_NUM_REQUESTS];
- __u8 *req_buffer[UVC_NUM_REQUESTS];
+ struct uvc_request *ureq;
struct list_head req_free;
spinlock_t req_lock;
+ unsigned int req_int_count;
+
void (*encode) (struct usb_request *req, struct uvc_video *video,
struct uvc_buffer *buf);