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Groups > linux.kernel > #1581518

[PATCH 5/6] [media] vivid: improve subscribe event handling

From Gustavo Padovan <gustavo@padovan.org>
Newsgroups linux.kernel
Subject [PATCH 5/6] [media] vivid: improve subscribe event handling
Date 2017-02-15 19:00 +0100
Message-ID <tbc1Z-32F-27@gated-at.bofh.it> (permalink)
References <tbc1X-32F-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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 this fuction 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/platform/vivid/vivid-vid-out.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/media/platform/vivid/vivid-vid-out.c b/drivers/media/platform/vivid/vivid-vid-out.c
index 7ba52ee..1a33730 100644
--- a/drivers/media/platform/vivid/vivid-vid-out.c
+++ b/drivers/media/platform/vivid/vivid-vid-out.c
@@ -1172,14 +1172,12 @@ int vidioc_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_SOURCE_CHANGE:
 		if (fh->vdev->vfl_dir == VFL_DIR_RX)
 			return v4l2_src_change_event_subscribe(fh, sub);
 		break;
 	default:
-		break;
+		return v4l2_ctrl_subscribe_event(fh, sub);
 	}
 	return -EINVAL;
 }
-- 
2.9.3

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[PATCH 1/6] [media] vb2: only check ret if we assigned it Gustavo Padovan <gustavo@padovan.org> - 2017-02-15 19:00 +0100
  [PATCH 5/6] [media] vivid: improve subscribe event handling Gustavo Padovan <gustavo@padovan.org> - 2017-02-15 19:00 +0100

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