diff options
| author | Kieran Bingham <kieran.bingham@ideasonboard.com> | 2017-04-10 11:24:22 -0700 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2017-04-21 07:55:52 +0200 |
| commit | 77d6590adafe0b51c37e8f0335b2780ef8a9b7c0 (patch) | |
| tree | 0b52e99a082e7e106aeff92ded38b625e3ca414f | |
| parent | 3203228aae64b28c222c485eb13b5a7db9d1c426 (diff) | |
| download | linux-77d6590adafe0b51c37e8f0335b2780ef8a9b7c0.tar.gz | |
uvcvideo: don't recode timespec_sub
The statistics function subtracts two timespecs manually. A helper is
provided by the kernel to do this.
Replace the implementation, using the helper.
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
| -rw-r--r-- | drivers/media/usb/uvc/uvc_video.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index c2885648110880..bc8b95c7238db1 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -868,14 +868,8 @@ size_t uvc_video_stats_dump(struct uvc_streaming *stream, char *buf, struct timespec ts; size_t count = 0; - ts.tv_sec = stream->stats.stream.stop_ts.tv_sec - - stream->stats.stream.start_ts.tv_sec; - ts.tv_nsec = stream->stats.stream.stop_ts.tv_nsec - - stream->stats.stream.start_ts.tv_nsec; - if (ts.tv_nsec < 0) { - ts.tv_sec--; - ts.tv_nsec += 1000000000; - } + ts = timespec_sub(stream->stats.stream.stop_ts, + stream->stats.stream.start_ts); /* Compute the SCR.SOF frequency estimate. At the nominal 1kHz SOF * frequency this will not overflow before more than 1h. |