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| author | Sowjanya Komatineni <skomatineni@nvidia.com> | 2020-12-11 18:02:37 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2021-01-04 13:01:23 +0100 |
| commit | 2be21e68345b5cfb908ba47aa38c3a49583a0760 (patch) | |
| tree | f962f3a802ec78256e7599fa6a228e270a281df7 /drivers/staging/media/tegra-video | |
| parent | 6a4d30ce09ba13ee49cf928dee53c51209a678dc (diff) | |
| download | linux-2be21e68345b5cfb908ba47aa38c3a49583a0760.tar.bz2 | |
media: tegra-video: Add support for V4L2_EVENT_SOURCE_CHANGE
Current implementation uses v4l2_ctrl_subscribe_event() and this
does not handle V4L2_EVENT_SOURCE_CHANGE.
So, update driver to handle V4L2_EVENT_SOURCE_CHANGE.
Signed-off-by: Sowjanya Komatineni <skomatineni@nvidia.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/staging/media/tegra-video')
| -rw-r--r-- | drivers/staging/media/tegra-video/vi.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/staging/media/tegra-video/vi.c b/drivers/staging/media/tegra-video/vi.c index c280117a523c..0a85e527ec40 100644 --- a/drivers/staging/media/tegra-video/vi.c +++ b/drivers/staging/media/tegra-video/vi.c @@ -642,6 +642,18 @@ static int tegra_channel_set_subdev_active_fmt(struct tegra_vi_channel *chan) return 0; } +static int +tegra_channel_subscribe_event(struct v4l2_fh *fh, + const struct v4l2_event_subscription *sub) +{ + switch (sub->type) { + case V4L2_EVENT_SOURCE_CHANGE: + return v4l2_event_subscribe(fh, sub, 4, NULL); + } + + return v4l2_ctrl_subscribe_event(fh, sub); +} + static int tegra_channel_g_selection(struct file *file, void *priv, struct v4l2_selection *sel) { @@ -904,7 +916,7 @@ static const struct v4l2_ioctl_ops tegra_channel_ioctl_ops = { .vidioc_expbuf = vb2_ioctl_expbuf, .vidioc_streamon = vb2_ioctl_streamon, .vidioc_streamoff = vb2_ioctl_streamoff, - .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, + .vidioc_subscribe_event = tegra_channel_subscribe_event, .vidioc_unsubscribe_event = v4l2_event_unsubscribe, .vidioc_g_selection = tegra_channel_g_selection, .vidioc_s_selection = tegra_channel_s_selection, |