Commit b933d585 authored by Erik Andr?n's avatar Erik Andr?n Committed by Mauro Carvalho Chehab
Browse files

V4L/DVB (11523): gspca - m5602-po1030: Add private green balance control

parent dd9ce84a
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+53 −1
Original line number Diff line number Diff line
@@ -26,6 +26,8 @@ static int po1030_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val);
static int po1030_set_red_balance(struct gspca_dev *gspca_dev, __s32 val);
static int po1030_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val);
static int po1030_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val);
static int po1030_get_green_balance(struct gspca_dev *gspca_dev, __s32 *val);
static int po1030_set_green_balance(struct gspca_dev *gspca_dev, __s32 val);
static int po1030_get_hflip(struct gspca_dev *gspca_dev, __s32 *val);
static int po1030_set_hflip(struct gspca_dev *gspca_dev, __s32 val);
static int po1030_get_vflip(struct gspca_dev *gspca_dev, __s32 *val);
@@ -169,7 +171,21 @@ const static struct ctrl po1030_ctrls[] = {
		.set = po1030_set_auto_exposure,
		.get = po1030_get_auto_exposure
	},

#define GREEN_BALANCE_IDX 8
	{
		{
			.id 		= M5602_V4L2_CID_GREEN_BALANCE,
			.type 		= V4L2_CTRL_TYPE_INTEGER,
			.name 		= "green balance",
			.minimum 	= 0x00,
			.maximum 	= 0xff,
			.step 		= 0x1,
			.default_value 	= PO1030_GREEN_GAIN_DEFAULT,
			.flags         	= V4L2_CTRL_FLAG_SLIDER
		},
		.set = po1030_set_green_balance,
		.get = po1030_get_green_balance
	},
};

static void po1030_dump_registers(struct sd *sd);
@@ -288,6 +304,11 @@ int po1030_init(struct sd *sd)
	if (err < 0)
		return err;

	err = po1030_set_green_balance(&sd->gspca_dev,
				       sensor_settings[GREEN_BALANCE_IDX]);
	if (err < 0)
		return err;

	err = po1030_set_auto_white_balance(&sd->gspca_dev,
				sensor_settings[AUTO_WHITE_BALANCE_IDX]);
	if (err < 0)
@@ -499,6 +520,37 @@ static int po1030_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val)
	return err;
}

static int po1030_get_green_balance(struct gspca_dev *gspca_dev, __s32 *val)
{
	struct sd *sd = (struct sd *) gspca_dev;
	s32 *sensor_settings = sd->sensor_priv;

	*val = sensor_settings[GREEN_BALANCE_IDX];
	PDEBUG(D_V4L2, "Read green gain %d", *val);

	return 0;
}

static int po1030_set_green_balance(struct gspca_dev *gspca_dev, __s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;
	s32 *sensor_settings = sd->sensor_priv;
	u8 i2c_data;
	int err;

	sensor_settings[GREEN_BALANCE_IDX] = val;
	i2c_data = val & 0xff;
	PDEBUG(D_V4L2, "Set green gain to %d", i2c_data);

	err = m5602_write_sensor(sd, PO1030_GREEN_1_GAIN,
			   &i2c_data, 1);
	if (err < 0)
		return err;

	return m5602_write_sensor(sd, PO1030_GREEN_2_GAIN,
				 &i2c_data, 1);
}

static int po1030_get_auto_white_balance(struct gspca_dev *gspca_dev,
					 __s32 *val)
{
+1 −0
Original line number Diff line number Diff line
@@ -139,6 +139,7 @@
#define PO1030_EXPOSURE_DEFAULT		0x0085
#define PO1030_BLUE_GAIN_DEFAULT 	0x36
#define PO1030_RED_GAIN_DEFAULT 	0x36
#define PO1030_GREEN_GAIN_DEFAULT 	0x40

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

+2 −0
Original line number Diff line number Diff line
@@ -21,6 +21,8 @@

#include "m5602_bridge.h"

#define M5602_V4L2_CID_GREEN_BALANCE	(V4L2_CID_PRIVATE_BASE + 0)

/* Enumerates all supported sensors */
enum sensors {
	OV9650_SENSOR	= 1,