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[media] tw5864: 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>
Acked-by: Andrey Utkin <andrey.utkin@corp.bluecherry.net>
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 15:55:31 -02:00 committed by Mauro Carvalho Chehab
parent f4fde9a742
commit aac5987a54
1 changed files with 2 additions and 3 deletions
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5
drivers/media/pci/tw5864/tw5864-video.c
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@ -664,15 +664,14 @@ static int tw5864_subscribe_event(struct v4l2_fh *fh,
const struct v4l2_event_subscription *sub)
{
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;
}
static void tw5864_frame_interval_set(struct tw5864_input *input)