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Groups > linux.kernel > #1581511

[PATCH 3/6] [media] solo6x10: improve subscribe event handling

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From: Gustavo Padovan <gustavo.padovan@collabora.com>

We already check for the V4L2_EVENT_CTRL inside
v4l2_ctrl_subscribe_event() so just move the 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/pci/solo6x10/solo6x10-v4l2-enc.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c b/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c
index 25a2137..25f9f2e 100644
--- a/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c
+++ b/drivers/media/pci/solo6x10/solo6x10-v4l2-enc.c
@@ -1140,14 +1140,13 @@ static int solo_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;
 }
 
 static const struct v4l2_file_operations solo_enc_fops = {
-- 
2.9.3

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[PATCH 3/6] [media] solo6x10: improve subscribe event handling Gustavo Padovan <gustavo@padovan.org> - 2017-02-15 19:00 +0100
  Re: [PATCH 3/6] [media] solo6x10: improve subscribe event handling Andrey Utkin <andrey.utkin@corp.bluecherry.net> - 2017-02-23 13:00 +0100

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