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 <skomatin...@nvidia.com>
---
drivers/staging/media/tegra-video/vi.c | 14 +++++++++++++-
1 file changed, 13 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/media/tegra-video/vi.c
b/drivers/staging/media/tegra-video/vi.c
index c280117..0a85e52 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,
--
2.7.4
