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[6/6,media] go7007: improve subscribe event handling

Message ID 20170215175533.6384-6-gustavo@padovan.org (mailing list archive)
State New, archived
Headers show

Commit Message

Gustavo Padovan Feb. 15, 2017, 5:55 p.m. UTC 
From: Gustavo Padovan <gustavo.padovan@collabora.com>

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>
---
 drivers/media/usb/go7007/go7007-v4l2.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)
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Patch

diff --git a/drivers/media/usb/go7007/go7007-v4l2.c b/drivers/media/usb/go7007/go7007-v4l2.c
index 4eaba0c..ed5ec97 100644
--- a/drivers/media/usb/go7007/go7007-v4l2.c
+++ b/drivers/media/usb/go7007/go7007-v4l2.c
@@ -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;
 }