--- zzzz-none-000/linux-3.10.107/drivers/media/platform/s5p-tv/sdo_drv.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/media/platform/s5p-tv/sdo_drv.c	2021-02-04 17:41:59.000000000 +0000
@@ -55,6 +55,8 @@
 	struct clk *dacphy;
 	/** clock for control of VPLL */
 	struct clk *fout_vpll;
+	/** vpll rate before sdo stream was on */
+	unsigned long vpll_rate;
 	/** regulator for SDO IP power */
 	struct regulator *vdac;
 	/** regulator for SDO plug detection */
@@ -158,17 +160,21 @@
 	return 0;
 }
 
-static int sdo_g_mbus_fmt(struct v4l2_subdev *sd,
-	struct v4l2_mbus_framefmt *fmt)
+static int sdo_get_fmt(struct v4l2_subdev *sd,
+		struct v4l2_subdev_pad_config *cfg,
+		struct v4l2_subdev_format *format)
 {
+	struct v4l2_mbus_framefmt *fmt = &format->format;
 	struct sdo_device *sdev = sd_to_sdev(sd);
 
 	if (!sdev->fmt)
 		return -ENXIO;
+	if (format->pad)
+		return -EINVAL;
 	/* all modes are 720 pixels wide */
 	fmt->width = 720;
 	fmt->height = sdev->fmt->height;
-	fmt->code = V4L2_MBUS_FMT_FIXED;
+	fmt->code = MEDIA_BUS_FMT_FIXED;
 	fmt->field = V4L2_FIELD_INTERLACED;
 	fmt->colorspace = V4L2_COLORSPACE_JPEG;
 	return 0;
@@ -188,22 +194,38 @@
 		ret = pm_runtime_put_sync(dev);
 
 	/* only values < 0 indicate errors */
-	return IS_ERR_VALUE(ret) ? ret : 0;
+	return ret < 0 ? ret : 0;
 }
 
 static int sdo_streamon(struct sdo_device *sdev)
 {
+	int ret;
+
 	/* set proper clock for Timing Generator */
-	clk_set_rate(sdev->fout_vpll, 54000000);
+	sdev->vpll_rate = clk_get_rate(sdev->fout_vpll);
+	ret = clk_set_rate(sdev->fout_vpll, 54000000);
+	if (ret < 0) {
+		dev_err(sdev->dev, "Failed to set vpll rate\n");
+		return ret;
+	}
 	dev_info(sdev->dev, "fout_vpll.rate = %lu\n",
 	clk_get_rate(sdev->fout_vpll));
 	/* enable clock in SDO */
 	sdo_write_mask(sdev, SDO_CLKCON, ~0, SDO_TVOUT_CLOCK_ON);
-	clk_enable(sdev->dacphy);
+	ret = clk_prepare_enable(sdev->dacphy);
+	if (ret < 0) {
+		dev_err(sdev->dev, "clk_prepare_enable(dacphy) failed\n");
+		goto fail;
+	}
 	/* enable DAC */
 	sdo_write_mask(sdev, SDO_DAC, ~0, SDO_POWER_ON_DAC);
 	sdo_reg_debug(sdev);
 	return 0;
+
+fail:
+	sdo_write_mask(sdev, SDO_CLKCON, 0, SDO_TVOUT_CLOCK_ON);
+	clk_set_rate(sdev->fout_vpll, sdev->vpll_rate);
+	return ret;
 }
 
 static int sdo_streamoff(struct sdo_device *sdev)
@@ -211,7 +233,7 @@
 	int tries;
 
 	sdo_write_mask(sdev, SDO_DAC, 0, SDO_POWER_ON_DAC);
-	clk_disable(sdev->dacphy);
+	clk_disable_unprepare(sdev->dacphy);
 	sdo_write_mask(sdev, SDO_CLKCON, 0, SDO_TVOUT_CLOCK_ON);
 	for (tries = 100; tries; --tries) {
 		if (sdo_read(sdev, SDO_CLKCON) & SDO_TVOUT_CLOCK_READY)
@@ -220,6 +242,7 @@
 	}
 	if (tries == 0)
 		dev_err(sdev->dev, "failed to stop streaming\n");
+	clk_set_rate(sdev->fout_vpll, sdev->vpll_rate);
 	return tries ? 0 : -EIO;
 }
 
@@ -237,13 +260,17 @@
 	.s_std_output = sdo_s_std_output,
 	.g_std_output = sdo_g_std_output,
 	.g_tvnorms_output = sdo_g_tvnorms_output,
-	.g_mbus_fmt = sdo_g_mbus_fmt,
 	.s_stream = sdo_s_stream,
 };
 
+static const struct v4l2_subdev_pad_ops sdo_sd_pad_ops = {
+	.get_fmt = sdo_get_fmt,
+};
+
 static const struct v4l2_subdev_ops sdo_sd_ops = {
 	.core = &sdo_sd_core_ops,
 	.video = &sdo_sd_video_ops,
+	.pad = &sdo_sd_pad_ops,
 };
 
 static int sdo_runtime_suspend(struct device *dev)
@@ -254,7 +281,7 @@
 	dev_info(dev, "suspend\n");
 	regulator_disable(sdev->vdet);
 	regulator_disable(sdev->vdac);
-	clk_disable(sdev->sclk_dac);
+	clk_disable_unprepare(sdev->sclk_dac);
 	return 0;
 }
 
@@ -262,11 +289,21 @@
 {
 	struct v4l2_subdev *sd = dev_get_drvdata(dev);
 	struct sdo_device *sdev = sd_to_sdev(sd);
+	int ret;
 
 	dev_info(dev, "resume\n");
-	clk_enable(sdev->sclk_dac);
-	regulator_enable(sdev->vdac);
-	regulator_enable(sdev->vdet);
+
+	ret = clk_prepare_enable(sdev->sclk_dac);
+	if (ret < 0)
+		return ret;
+
+	ret = regulator_enable(sdev->vdac);
+	if (ret < 0)
+		goto dac_clk_dis;
+
+	ret = regulator_enable(sdev->vdet);
+	if (ret < 0)
+		goto vdac_r_dis;
 
 	/* software reset */
 	sdo_write_mask(sdev, SDO_CLKCON, ~0, SDO_TVOUT_SW_RESET);
@@ -285,6 +322,12 @@
 		SDO_COMPENSATION_CVBS_COMP_OFF);
 	sdo_reg_debug(sdev);
 	return 0;
+
+vdac_r_dis:
+	regulator_disable(sdev->vdac);
+dac_clk_dis:
+	clk_disable_unprepare(sdev->sclk_dac);
+	return ret;
 }
 
 static const struct dev_pm_ops sdo_pm_ops = {
@@ -389,7 +432,11 @@
 	}
 
 	/* enable gate for dac clock, because mixer uses it */
-	clk_enable(sdev->dac);
+	ret = clk_prepare_enable(sdev->dac);
+	if (ret < 0) {
+		dev_err(dev, "clk_prepare_enable(dac) failed\n");
+		goto fail_fout_vpll;
+	}
 
 	/* configure power management */
 	pm_runtime_enable(dev);
@@ -428,7 +475,7 @@
 	struct sdo_device *sdev = sd_to_sdev(sd);
 
 	pm_runtime_disable(&pdev->dev);
-	clk_disable(sdev->dac);
+	clk_disable_unprepare(sdev->dac);
 	clk_put(sdev->fout_vpll);
 	clk_put(sdev->dacphy);
 	clk_put(sdev->dac);
@@ -443,7 +490,6 @@
 	.remove = sdo_remove,
 	.driver = {
 		.name = "s5p-sdo",
-		.owner = THIS_MODULE,
 		.pm = &sdo_pm_ops,
 	}
 };