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[media] ivtv: improve subscribe_event handling 

Simplify logic and call v4l2_ctrl_subscribe_event() directly instead
of copying its content over to ivtv_subscribe_event().

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 15:55:29 -02:00 committed by Mauro Carvalho Chehab
parent 938e20adfd
commit 88b172f9f9
1 changed files with 1 additions and 3 deletions
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4
drivers/media/pci/ivtv/ivtv-ioctl.c
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@ -1506,10 +1506,8 @@ static int ivtv_subscribe_event(struct v4l2_fh *fh, const struct v4l2_event_subs
case V4L2_EVENT_VSYNC:
case V4L2_EVENT_EOS:
return v4l2_event_subscribe(fh, sub, 0, NULL);
case V4L2_EVENT_CTRL:
return v4l2_event_subscribe(fh, sub, 0, &v4l2_ctrl_sub_ev_ops);
default:
return -EINVAL;
return v4l2_ctrl_subscribe_event(fh, sub);
}
}