--- zzzz-none-000/linux-3.10.107/drivers/media/i2c/soc_camera/ov9740.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/media/i2c/soc_camera/ov9740.c	2021-02-04 17:41:59.000000000 +0000
@@ -17,7 +17,7 @@
 #include <linux/v4l2-mediabus.h>
 
 #include <media/soc_camera.h>
-#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-clk.h>
 #include <media/v4l2-ctrls.h>
 
 #define to_ov9740(sd)		container_of(sd, struct ov9740_priv, subdev)
@@ -196,8 +196,8 @@
 struct ov9740_priv {
 	struct v4l2_subdev		subdev;
 	struct v4l2_ctrl_handler	hdl;
+	struct v4l2_clk			*clk;
 
-	int				ident;
 	u16				model;
 	u8				revision;
 	u8				manid;
@@ -392,8 +392,8 @@
 	{ OV9740_ISP_CTRL19,		0x02 },
 };
 
-static enum v4l2_mbus_pixelcode ov9740_codes[] = {
-	V4L2_MBUS_FMT_YUYV8_2X8,
+static u32 ov9740_codes[] = {
+	MEDIA_BUS_FMT_YUYV8_2X8,
 };
 
 /* read a register */
@@ -564,13 +564,13 @@
 	u32 y_start;
 	u32 x_end;
 	u32 y_end;
-	bool scaling = 0;
+	bool scaling = false;
 	u32 scale_input_x;
 	u32 scale_input_y;
 	int ret;
 
 	if ((width != OV9740_MAX_WIDTH) || (height != OV9740_MAX_HEIGHT))
-		scaling = 1;
+		scaling = true;
 
 	/*
 	 * Try to use as much of the sensor area as possible when supporting
@@ -674,13 +674,13 @@
 	struct i2c_client *client = v4l2_get_subdevdata(sd);
 	struct ov9740_priv *priv = to_ov9740(sd);
 	enum v4l2_colorspace cspace;
-	enum v4l2_mbus_pixelcode code = mf->code;
+	u32 code = mf->code;
 	int ret;
 
 	ov9740_res_roundup(&mf->width, &mf->height);
 
 	switch (code) {
-	case V4L2_MBUS_FMT_YUYV8_2X8:
+	case MEDIA_BUS_FMT_YUYV8_2X8:
 		cspace = V4L2_COLORSPACE_SRGB;
 		break;
 	default:
@@ -704,25 +704,35 @@
 	return ret;
 }
 
-static int ov9740_try_fmt(struct v4l2_subdev *sd,
-			  struct v4l2_mbus_framefmt *mf)
+static int ov9740_set_fmt(struct v4l2_subdev *sd,
+		struct v4l2_subdev_pad_config *cfg,
+		struct v4l2_subdev_format *format)
 {
+	struct v4l2_mbus_framefmt *mf = &format->format;
+
+	if (format->pad)
+		return -EINVAL;
+
 	ov9740_res_roundup(&mf->width, &mf->height);
 
 	mf->field = V4L2_FIELD_NONE;
-	mf->code = V4L2_MBUS_FMT_YUYV8_2X8;
+	mf->code = MEDIA_BUS_FMT_YUYV8_2X8;
 	mf->colorspace = V4L2_COLORSPACE_SRGB;
 
+	if (format->which == V4L2_SUBDEV_FORMAT_ACTIVE)
+		return ov9740_s_fmt(sd, mf);
+	cfg->try_fmt = *mf;
 	return 0;
 }
 
-static int ov9740_enum_fmt(struct v4l2_subdev *sd, unsigned int index,
-			   enum v4l2_mbus_pixelcode *code)
+static int ov9740_enum_mbus_code(struct v4l2_subdev *sd,
+		struct v4l2_subdev_pad_config *cfg,
+		struct v4l2_subdev_mbus_code_enum *code)
 {
-	if (index >= ARRAY_SIZE(ov9740_codes))
+	if (code->pad || code->index >= ARRAY_SIZE(ov9740_codes))
 		return -EINVAL;
 
-	*code = ov9740_codes[index];
+	code->code = ov9740_codes[code->index];
 
 	return 0;
 }
@@ -772,18 +782,6 @@
 	return 0;
 }
 
-/* Get chip identification */
-static int ov9740_g_chip_ident(struct v4l2_subdev *sd,
-			       struct v4l2_dbg_chip_ident *id)
-{
-	struct ov9740_priv *priv = to_ov9740(sd);
-
-	id->ident = priv->ident;
-	id->revision = priv->revision;
-
-	return 0;
-}
-
 static int ov9740_s_power(struct v4l2_subdev *sd, int on)
 {
 	struct i2c_client *client = v4l2_get_subdevdata(sd);
@@ -792,7 +790,7 @@
 	int ret;
 
 	if (on) {
-		ret = soc_camera_power_on(&client->dev, ssdd);
+		ret = soc_camera_power_on(&client->dev, ssdd, priv->clk);
 		if (ret < 0)
 			return ret;
 
@@ -806,7 +804,7 @@
 			priv->current_enable = true;
 		}
 
-		soc_camera_power_off(&client->dev, ssdd);
+		soc_camera_power_off(&client->dev, ssdd, priv->clk);
 	}
 
 	return 0;
@@ -887,8 +885,6 @@
 		goto done;
 	}
 
-	priv->ident = V4L2_IDENT_OV9740;
-
 	dev_info(&client->dev, "ov9740 Model ID 0x%04x, Revision 0x%02x, "
 		 "Manufacturer 0x%02x, SMIA Version 0x%02x\n",
 		 priv->model, priv->revision, priv->manid, priv->smiaver);
@@ -918,16 +914,12 @@
 
 static struct v4l2_subdev_video_ops ov9740_video_ops = {
 	.s_stream	= ov9740_s_stream,
-	.s_mbus_fmt	= ov9740_s_fmt,
-	.try_mbus_fmt	= ov9740_try_fmt,
-	.enum_mbus_fmt	= ov9740_enum_fmt,
 	.cropcap	= ov9740_cropcap,
 	.g_crop		= ov9740_g_crop,
 	.g_mbus_config	= ov9740_g_mbus_config,
 };
 
 static struct v4l2_subdev_core_ops ov9740_core_ops = {
-	.g_chip_ident		= ov9740_g_chip_ident,
 	.s_power		= ov9740_s_power,
 #ifdef CONFIG_VIDEO_ADV_DEBUG
 	.g_register		= ov9740_get_register,
@@ -935,9 +927,15 @@
 #endif
 };
 
+static const struct v4l2_subdev_pad_ops ov9740_pad_ops = {
+	.enum_mbus_code = ov9740_enum_mbus_code,
+	.set_fmt	= ov9740_set_fmt,
+};
+
 static struct v4l2_subdev_ops ov9740_subdev_ops = {
-	.core			= &ov9740_core_ops,
-	.video			= &ov9740_video_ops,
+	.core	= &ov9740_core_ops,
+	.video	= &ov9740_video_ops,
+	.pad	= &ov9740_pad_ops,
 };
 
 static const struct v4l2_ctrl_ops ov9740_ctrl_ops = {
@@ -975,9 +973,18 @@
 	if (priv->hdl.error)
 		return priv->hdl.error;
 
+	priv->clk = v4l2_clk_get(&client->dev, "mclk");
+	if (IS_ERR(priv->clk)) {
+		ret = PTR_ERR(priv->clk);
+		goto eclkget;
+	}
+
 	ret = ov9740_video_probe(client);
-	if (ret < 0)
+	if (ret < 0) {
+		v4l2_clk_put(priv->clk);
+eclkget:
 		v4l2_ctrl_handler_free(&priv->hdl);
+	}
 
 	return ret;
 }
@@ -986,6 +993,7 @@
 {
 	struct ov9740_priv *priv = i2c_get_clientdata(client);
 
+	v4l2_clk_put(priv->clk);
 	v4l2_device_unregister_subdev(&priv->subdev);
 	v4l2_ctrl_handler_free(&priv->hdl);
 	return 0;