diff options
| -rw-r--r-- | drivers/usb/gadget/function/uvc.h | 2 | ||||
| -rw-r--r-- | drivers/usb/gadget/function/uvc_queue.c | 3 |
2 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/gadget/function/uvc.h b/drivers/usb/gadget/function/uvc.h index bedb4ef42864..6f44dd732315 100644 --- a/drivers/usb/gadget/function/uvc.h +++ b/drivers/usb/gadget/function/uvc.h @@ -74,6 +74,8 @@ extern unsigned int uvc_gadget_trace_param; #define UVCG_REQ_MAX_INT_COUNT 16 #define UVCG_REQ_MAX_ZERO_COUNT (2 * UVCG_REQ_MAX_INT_COUNT) +#define UVCG_STREAMING_MIN_BUFFERS 2 + /* ------------------------------------------------------------------------ * Structures */ diff --git a/drivers/usb/gadget/function/uvc_queue.c b/drivers/usb/gadget/function/uvc_queue.c index 6757a4e25a74..5eaeae3e2441 100644 --- a/drivers/usb/gadget/function/uvc_queue.c +++ b/drivers/usb/gadget/function/uvc_queue.c @@ -21,6 +21,7 @@ #include <media/videobuf2-vmalloc.h> #include "uvc.h" +#include "uvc_video.h" /* ------------------------------------------------------------------------ * Video buffers queue management. @@ -47,6 +48,8 @@ static int uvc_queue_setup(struct vb2_queue *vq, if (*nbuffers > UVC_MAX_VIDEO_BUFFERS) *nbuffers = UVC_MAX_VIDEO_BUFFERS; + if (*nbuffers < UVCG_STREAMING_MIN_BUFFERS) + *nbuffers = UVCG_STREAMING_MIN_BUFFERS; *nplanes = 1; |