[media] mt9p031: Identify color/mono models using I2C device name

Instead of passing a color/monochrome flag through platform data, rely
on the I2C device name to identify the chip model.

Signed-off-by: Laurent Pinchart <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/video/mt9p031.c

···
 #define MT9P031_TEST_PATTERN_RED			0xa2
 #define MT9P031_TEST_PATTERN_BLUE			0xa3
 
+enum mt9p031_model {
+	MT9P031_MODEL_COLOR,
+	MT9P031_MODEL_MONOCHROME,
+};
+
 struct mt9p031 {
 	struct v4l2_subdev subdev;
 	struct media_pad pad;
···
 	struct mutex power_lock; /* lock to protect power_count */
 	int power_count;
 
+	enum mt9p031_model model;
 	struct aptina_pll pll;
 
 	/* Registers cache */
···
 
 	format = v4l2_subdev_get_try_format(fh, 0);
 
-	if (mt9p031->pdata->version == MT9P031_MONOCHROME_VERSION)
+	if (mt9p031->model == MT9P031_MODEL_MONOCHROME)
 		format->code = V4L2_MBUS_FMT_Y12_1X12;
 	else
 		format->code = V4L2_MBUS_FMT_SGRBG12_1X12;
···
 	mt9p031->pdata = pdata;
 	mt9p031->output_control	= MT9P031_OUTPUT_CONTROL_DEF;
 	mt9p031->mode2 = MT9P031_READ_MODE_2_ROW_BLC;
+	mt9p031->model = did->driver_data;
 
 	v4l2_ctrl_handler_init(&mt9p031->ctrls, ARRAY_SIZE(mt9p031_ctrls) + 4);
 
···
 	mt9p031->crop.left = MT9P031_COLUMN_START_DEF;
 	mt9p031->crop.top = MT9P031_ROW_START_DEF;
 
-	if (mt9p031->pdata->version == MT9P031_MONOCHROME_VERSION)
+	if (mt9p031->model == MT9P031_MODEL_MONOCHROME)
 		mt9p031->format.code = V4L2_MBUS_FMT_Y12_1X12;
 	else
 		mt9p031->format.code = V4L2_MBUS_FMT_SGRBG12_1X12;
···
 }
 
 static const struct i2c_device_id mt9p031_id[] = {
-	{ "mt9p031", 0 },
+	{ "mt9p031", MT9P031_MODEL_COLOR },
+	{ "mt9p031m", MT9P031_MODEL_MONOCHROME },
 	{ }
 };
 MODULE_DEVICE_TABLE(i2c, mt9p031_id);

include/media/mt9p031.h

···
 
 struct v4l2_subdev;
 
-enum {
-	MT9P031_COLOR_VERSION,
-	MT9P031_MONOCHROME_VERSION,
-};
-
 struct mt9p031_platform_data {
 	int (*set_xclk)(struct v4l2_subdev *subdev, int hz);
 	int (*reset)(struct v4l2_subdev *subdev, int active);
 	int ext_freq; /* input frequency to the mt9p031 for PLL dividers */
 	int target_freq; /* frequency target for the PLL */
-	int version; /* MT9P031_COLOR_VERSION or MT9P031_MONOCHROME_VERSION */
 };
 
 #endif