diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0658-media-bcm2835-unicam-Disable-event-related-ioctls-on.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0658-media-bcm2835-unicam-Disable-event-related-ioctls-on.patch | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0658-media-bcm2835-unicam-Disable-event-related-ioctls-on.patch b/target/linux/bcm27xx/patches-5.4/950-0658-media-bcm2835-unicam-Disable-event-related-ioctls-on.patch new file mode 100644 index 0000000000..cb36ce2d96 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0658-media-bcm2835-unicam-Disable-event-related-ioctls-on.patch @@ -0,0 +1,31 @@ +From e8f2c38720e391ce44154f17f3602484c1827a59 Mon Sep 17 00:00:00 2001 +From: Laurent Pinchart <laurent.pinchart@ideasonboard.com> +Date: Tue, 24 Mar 2020 23:13:02 +0200 +Subject: [PATCH] media: bcm2835-unicam: Disable event-related ioctls + on metadata node + +The unicam driver supports both the SOURCE_CHANGE and CTRL events. Both +events are only generated on the image video node, so the event-related +ioctls are useless on the medatada node. Disable them. + +Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> +Reviewed-by: Jacopo Mondi <jacopo@jmondi.org> +Reviewed-by: Naushir Patuck <naush@raspberrypi.com> +--- + drivers/media/platform/bcm2835/bcm2835-unicam.c | 5 +++++ + 1 file changed, 5 insertions(+) + +--- a/drivers/media/platform/bcm2835/bcm2835-unicam.c ++++ b/drivers/media/platform/bcm2835/bcm2835-unicam.c +@@ -2374,6 +2374,11 @@ static int register_node(struct unicam_d + return -ENOMEM; + } + ++ if (node->pad_id == METADATA_PAD) { ++ v4l2_disable_ioctl(vdev, VIDIOC_DQEVENT); ++ v4l2_disable_ioctl(vdev, VIDIOC_SUBSCRIBE_EVENT); ++ v4l2_disable_ioctl(vdev, VIDIOC_UNSUBSCRIBE_EVENT); ++ } + if (node->pad_id == METADATA_PAD || + !v4l2_subdev_has_op(unicam->sensor, video, s_std)) { + v4l2_disable_ioctl(&node->video_dev, VIDIOC_S_STD); |