media: tegra-video: Separate CSI stream enable and disable implementations

	return 0;

}

static int tegra_csi_s_stream(struct v4l2_subdev *subdev, int enable)

static int tegra_csi_enable_stream(struct v4l2_subdev *subdev)

{

	struct tegra_vi_channel *chan = v4l2_get_subdev_hostdata(subdev);

	struct tegra_csi_channel *csi_chan = to_csi_chan(subdev);

	struct tegra_csi *csi = csi_chan->csi;

	int ret = 0;

	int ret;

	csi_chan->pg_mode = chan->pg_mode;

	if (enable) {

	ret = pm_runtime_get_sync(csi->dev);

	if (ret < 0) {

			dev_err(csi->dev,

				"failed to get runtime PM: %d\n", ret);

		dev_err(csi->dev, "failed to get runtime PM: %d\n", ret);

		pm_runtime_put_noidle(csi->dev);

		return ret;

	}

	csi_chan->pg_mode = chan->pg_mode;

	ret = csi->ops->csi_start_streaming(csi_chan);

	if (ret < 0)

		goto rpm_put;

	return 0;

rpm_put:

	pm_runtime_put(csi->dev);

	return ret;

}

static int tegra_csi_disable_stream(struct v4l2_subdev *subdev)

{

	struct tegra_csi_channel *csi_chan = to_csi_chan(subdev);

	struct tegra_csi *csi = csi_chan->csi;

	csi->ops->csi_stop_streaming(csi_chan);

rpm_put:

	pm_runtime_put(csi->dev);

	return 0;

}

static int tegra_csi_s_stream(struct v4l2_subdev *subdev, int enable)

{

	int ret;

	if (enable)

		ret = tegra_csi_enable_stream(subdev);

	else

		ret = tegra_csi_disable_stream(subdev);

	return ret;

}