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32 lines
1.2 KiB
Diff
32 lines
1.2 KiB
Diff
From e8f2c38720e391ce44154f17f3602484c1827a59 Mon Sep 17 00:00:00 2001
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From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Date: Tue, 24 Mar 2020 23:13:02 +0200
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Subject: [PATCH] media: bcm2835-unicam: Disable event-related ioctls
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on metadata node
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The unicam driver supports both the SOURCE_CHANGE and CTRL events. Both
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events are only generated on the image video node, so the event-related
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ioctls are useless on the medatada node. Disable them.
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Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
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Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
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Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
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---
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drivers/media/platform/bcm2835/bcm2835-unicam.c | 5 +++++
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1 file changed, 5 insertions(+)
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--- a/drivers/media/platform/bcm2835/bcm2835-unicam.c
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+++ b/drivers/media/platform/bcm2835/bcm2835-unicam.c
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@@ -2374,6 +2374,11 @@ static int register_node(struct unicam_d
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return -ENOMEM;
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}
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+ if (node->pad_id == METADATA_PAD) {
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+ v4l2_disable_ioctl(vdev, VIDIOC_DQEVENT);
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+ v4l2_disable_ioctl(vdev, VIDIOC_SUBSCRIBE_EVENT);
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+ v4l2_disable_ioctl(vdev, VIDIOC_UNSUBSCRIBE_EVENT);
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+ }
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if (node->pad_id == METADATA_PAD ||
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!v4l2_subdev_has_op(unicam->sensor, video, s_std)) {
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v4l2_disable_ioctl(&node->video_dev, VIDIOC_S_STD);
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