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Diffstat (limited to 'drivers/media/video/uvc/uvc_video.c')
-rw-r--r--drivers/media/video/uvc/uvc_video.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c
index 53f3ef4635e..e27cf0d3b6d 100644
--- a/drivers/media/video/uvc/uvc_video.c
+++ b/drivers/media/video/uvc/uvc_video.c
@@ -555,6 +555,9 @@ static void uvc_video_decode_isoc(struct urb *urb, struct uvc_streaming *stream,
if (urb->iso_frame_desc[i].status < 0) {
uvc_trace(UVC_TRACE_FRAME, "USB isochronous frame "
"lost (%d).\n", urb->iso_frame_desc[i].status);
+ /* Mark the buffer as faulty. */
+ if (buf != NULL)
+ buf->error = 1;
continue;
}
@@ -579,8 +582,14 @@ static void uvc_video_decode_isoc(struct urb *urb, struct uvc_streaming *stream,
uvc_video_decode_end(stream, buf, mem,
urb->iso_frame_desc[i].actual_length);
- if (buf->state == UVC_BUF_STATE_READY)
+ if (buf->state == UVC_BUF_STATE_READY) {
+ if (buf->buf.length != buf->buf.bytesused &&
+ !(stream->cur_format->flags &
+ UVC_FMT_FLAG_COMPRESSED))
+ buf->error = 1;
+
buf = uvc_queue_next_buffer(&stream->queue, buf);
+ }
}
}
@@ -1104,7 +1113,7 @@ int uvc_video_init(struct uvc_streaming *stream)
atomic_set(&stream->active, 0);
/* Initialize the video buffers queue. */
- uvc_queue_init(&stream->queue, stream->type);
+ uvc_queue_init(&stream->queue, stream->type, !uvc_no_drop_param);
/* Alternate setting 0 should be the default, yet the XBox Live Vision
* Cam (and possibly other devices) crash or otherwise misbehave if
@@ -1197,12 +1206,6 @@ int uvc_video_enable(struct uvc_streaming *stream, int enable)
return 0;
}
- if ((stream->cur_format->flags & UVC_FMT_FLAG_COMPRESSED) ||
- uvc_no_drop_param)
- stream->queue.flags &= ~UVC_QUEUE_DROP_INCOMPLETE;
- else
- stream->queue.flags |= UVC_QUEUE_DROP_INCOMPLETE;
-
ret = uvc_queue_enable(&stream->queue, 1);
if (ret < 0)
return ret;