Commit 74b123cf authored by Erik Andr?n's avatar Erik Andr?n Committed by Mauro Carvalho Chehab
Browse files

V4L/DVB (11525): gspca - m5602-mt9m111: Add blue balance ctrl

parent 12e4ed7d
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+47 −1
Original line number Diff line number Diff line
@@ -30,6 +30,8 @@ static int mt9m111_get_auto_white_balance(struct gspca_dev *gspca_dev,
					  __s32 *val);
static int mt9m111_get_green_balance(struct gspca_dev *gspca_dev, __s32 *val);
static int mt9m111_set_green_balance(struct gspca_dev *gspca_dev, __s32 val);
static int mt9m111_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val);
static int mt9m111_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val);

static struct v4l2_pix_format mt9m111_modes[] = {
	{
@@ -117,7 +119,21 @@ const static struct ctrl mt9m111_ctrls[] = {
		.set = mt9m111_set_green_balance,
		.get = mt9m111_get_green_balance
	},

#define BLUE_BALANCE_IDX 5
	{
		{
			.id 		= V4L2_CID_BLUE_BALANCE,
			.type 		= V4L2_CTRL_TYPE_INTEGER,
			.name 		= "blue balance",
			.minimum 	= 0x00,
			.maximum 	= 0x7ff,
			.step 		= 0x1,
			.default_value 	= MT9M111_BLUE_GAIN_DEFAULT,
			.flags         	= V4L2_CTRL_FLAG_SLIDER
		},
		.set = mt9m111_set_blue_balance,
		.get = mt9m111_get_blue_balance
	},
};

static void mt9m111_dump_registers(struct sd *sd);
@@ -219,6 +235,11 @@ int mt9m111_init(struct sd *sd)
	if (err < 0)
		return err;

	err = mt9m111_set_blue_balance(&sd->gspca_dev,
					 sensor_settings[BLUE_BALANCE_IDX]);
	if (err < 0)
		return err;

	return mt9m111_set_gain(&sd->gspca_dev, sensor_settings[GAIN_IDX]);
}

@@ -415,6 +436,31 @@ static int mt9m111_get_green_balance(struct gspca_dev *gspca_dev, __s32 *val)
	return 0;
}

static int mt9m111_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val)
{
	u8 data[2];
	struct sd *sd = (struct sd *) gspca_dev;
	s32 *sensor_settings = sd->sensor_priv;

	sensor_settings[BLUE_BALANCE_IDX] = val;
	data[0] = (val & 0xff);
	data[1] = (val & 0xff00) >> 8;

	PDEBUG(D_V4L2, "Set blue balance %d", val);

	return m5602_write_sensor(sd, MT9M111_SC_BLUE_GAIN,
				  data, 2);
}

static int mt9m111_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val)
{
	struct sd *sd = (struct sd *) gspca_dev;
	s32 *sensor_settings = sd->sensor_priv;

	*val = sensor_settings[BLUE_BALANCE_IDX];
	PDEBUG(D_V4L2, "Read blue balance %d", *val);
	return 0;
}

static void mt9m111_dump_registers(struct sd *sd)
{
+5 −2
Original line number Diff line number Diff line
@@ -94,6 +94,7 @@
#define INITIAL_MAX_GAIN			64
#define DEFAULT_GAIN 				283
#define MT9M111_GREEN_GAIN_DEFAULT		0x20
#define MT9M111_BLUE_GAIN_DEFAULT		0x20

/*****************************************************************************/

@@ -183,8 +184,10 @@ static const unsigned char init_mt9m111[][4] =
	{SENSOR, MT9M111_CP_OPERATING_MODE_CTL, 0x00,
			MT9M111_CP_OPERATING_MODE_CTL},
	{SENSOR, MT9M111_CP_LENS_CORRECTION_1, 0x04, 0x2a},
	{SENSOR, MT9M111_CP_DEFECT_CORR_CONTEXT_A, 0x00, MT9M111_2D_DEFECT_CORRECTION_ENABLE},
	{SENSOR, MT9M111_CP_DEFECT_CORR_CONTEXT_B, 0x00, MT9M111_2D_DEFECT_CORRECTION_ENABLE},
	{SENSOR, MT9M111_CP_DEFECT_CORR_CONTEXT_A, 0x00,
				MT9M111_2D_DEFECT_CORRECTION_ENABLE},
	{SENSOR, MT9M111_CP_DEFECT_CORR_CONTEXT_B, 0x00,
				MT9M111_2D_DEFECT_CORRECTION_ENABLE},
	{SENSOR, MT9M111_CP_LUMA_OFFSET, 0x00, 0x00},
	{SENSOR, MT9M111_CP_LUMA_CLIP, 0xff, 0x00},
	{SENSOR, MT9M111_CP_OUTPUT_FORMAT_CTL2_CONTEXT_A, 0x14, 0x00},