diff options
author | Kieran Bingham <kieran.bingham@ideasonboard.com> | 2017-04-03 14:25:31 +0300 |
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committer | Mauro Carvalho Chehab <mchehab@s-opensource.com> | 2017-04-10 13:42:12 +0300 |
commit | 52276df0b1ce3a833293f4b57fc3b62d6f540901 (patch) | |
tree | 0ff7c2b6224b4cd6ac3fa6d6eb22feabcfbda50a /drivers/media/usb/uvc | |
parent | 360a3a90c6261fe24a959ff38f8f6c3a8468f23c (diff) | |
download | linux-52276df0b1ce3a833293f4b57fc3b62d6f540901.tar.xz |
[media] uvcvideo: Don't record 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>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Diffstat (limited to 'drivers/media/usb/uvc')
-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 128c0a7826ce..47d93a938dde 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. |