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[media] go7007: improve subscribe event handling 

We already check for the V4L2_EVENT_CTRL inside
v4l2_ctrl_subscribe_event() so just move this function to the default:
branch of the switch and let it does the job for us.

Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Gustavo Padovan 2017-02-15 15:55:33 -02:00 committed by Mauro Carvalho Chehab
parent cc0a5a867a
commit c3d173a396
1 changed files with 2 additions and 3 deletions
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5
drivers/media/usb/go7007/go7007-v4l2.c
View File

@ -792,14 +792,13 @@ static int vidioc_subscribe_event(struct v4l2_fh *fh,
{
switch (sub->type) {
case V4L2_EVENT_CTRL:
return v4l2_ctrl_subscribe_event(fh, sub);
case V4L2_EVENT_MOTION_DET:
/* Allow for up to 30 events (1 second for NTSC) to be
* stored. */
return v4l2_event_subscribe(fh, sub, 30, NULL);
default:
return v4l2_ctrl_subscribe_event(fh, sub);
}
return -EINVAL;
}