diff --git a/drivers/staging/media/tegra-video/csi.c b/drivers/staging/media/tegra-video/csi.c index bcaea20c3025..92078a1f9a4e 100644 --- a/drivers/staging/media/tegra-video/csi.c +++ b/drivers/staging/media/tegra-video/csi.c @@ -445,6 +445,22 @@ static const struct v4l2_subdev_ops tegra_csi_ops = { .pad = &tegra_csi_pad_ops, }; +struct v4l2_subdev *tegra_channel_get_remote_csi_subdev(struct tegra_vi_channel *chan) +{ + struct media_pad *pad; + struct v4l2_subdev *subdev; + + pad = media_pad_remote_pad_first(&chan->pad); + if (!pad) + return NULL; + + subdev = media_entity_to_v4l2_subdev(pad->entity); + if (!subdev) + return NULL; + + return subdev->ops == &tegra_csi_ops ? subdev : NULL; +} + static int tegra_csi_channel_alloc(struct tegra_csi *csi, struct device_node *node, unsigned int port_num, unsigned int lanes, diff --git a/drivers/staging/media/tegra-video/vi.c b/drivers/staging/media/tegra-video/vi.c index 19eebfdae221..7032c733577d 100644 --- a/drivers/staging/media/tegra-video/vi.c +++ b/drivers/staging/media/tegra-video/vi.c @@ -160,8 +160,8 @@ static void tegra_channel_buffer_queue(struct vb2_buffer *vb) wake_up_interruptible(&chan->start_wait); } -struct v4l2_subdev * -tegra_channel_get_remote_csi_subdev(struct tegra_vi_channel *chan) +static struct v4l2_subdev * +tegra_channel_get_remote_bridge_subdev(struct tegra_vi_channel *chan) { struct media_pad *pad; @@ -182,7 +182,7 @@ tegra_channel_get_remote_source_subdev(struct tegra_vi_channel *chan) struct v4l2_subdev *subdev; struct media_entity *entity; - subdev = tegra_channel_get_remote_csi_subdev(chan); + subdev = tegra_channel_get_remote_bridge_subdev(chan); if (!subdev) return NULL; @@ -204,7 +204,7 @@ static int tegra_channel_enable_stream(struct tegra_vi_channel *chan) struct v4l2_subdev *subdev; int ret; - subdev = tegra_channel_get_remote_csi_subdev(chan); + subdev = tegra_channel_get_remote_bridge_subdev(chan); ret = v4l2_subdev_call(subdev, video, s_stream, true); if (ret < 0 && ret != -ENOIOCTLCMD) return ret; @@ -217,7 +217,7 @@ static int tegra_channel_disable_stream(struct tegra_vi_channel *chan) struct v4l2_subdev *subdev; int ret; - subdev = tegra_channel_get_remote_csi_subdev(chan); + subdev = tegra_channel_get_remote_bridge_subdev(chan); ret = v4l2_subdev_call(subdev, video, s_stream, false); if (ret < 0 && ret != -ENOIOCTLCMD) return ret; @@ -1631,11 +1631,11 @@ static int tegra_vi_graph_notify_complete(struct v4l2_async_notifier *notifier) goto unregister_video; } - subdev = tegra_channel_get_remote_csi_subdev(chan); + subdev = tegra_channel_get_remote_bridge_subdev(chan); if (!subdev) { ret = -ENODEV; dev_err(vi->dev, - "failed to get remote csi subdev: %d\n", ret); + "failed to get remote bridge subdev: %d\n", ret); goto unregister_video; }