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

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Signed-off-by: Erik Andr?n <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Erik Andr?n 2009-01-13 13:55:52 -03:00 committed by Mauro Carvalho Chehab
parent dd9ce84a77
commit b933d585ba
3 changed files with 56 additions and 1 deletions
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54
drivers/media/video/gspca/m5602/m5602_po1030.c
View file

@ -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
drivers/media/video/gspca/m5602/m5602_po1030.h
View file

@ -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
drivers/media/video/gspca/m5602/m5602_sensor.h
View file

@ -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,