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V4L/DVB (11526): gspca - m5602-mt9m111: Add red balance ctrl 

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 14:18:53 -03:00 committed by Mauro Carvalho Chehab
parent 74b123cf7a
commit 0746673d21
2 changed files with 49 additions and 0 deletions
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48
drivers/media/video/gspca/m5602/m5602_mt9m111.c
View File

@ -32,6 +32,8 @@ 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 int mt9m111_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val);
static int mt9m111_set_red_balance(struct gspca_dev *gspca_dev, __s32 val);
static struct v4l2_pix_format mt9m111_modes[] = {
{
@ -134,6 +136,21 @@ const static struct ctrl mt9m111_ctrls[] = {
.set = mt9m111_set_blue_balance,
.get = mt9m111_get_blue_balance
},
#define RED_BALANCE_IDX 5
{
{
.id = V4L2_CID_RED_BALANCE,
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "red balance",
.minimum = 0x00,
.maximum = 0x7ff,
.step = 0x1,
.default_value = MT9M111_RED_GAIN_DEFAULT,
.flags = V4L2_CTRL_FLAG_SLIDER
},
.set = mt9m111_set_red_balance,
.get = mt9m111_get_red_balance
},
};
static void mt9m111_dump_registers(struct sd *sd);
@ -240,6 +257,11 @@ int mt9m111_init(struct sd *sd)
if (err < 0)
return err;
err = mt9m111_set_red_balance(&sd->gspca_dev,
sensor_settings[RED_BALANCE_IDX]);
if (err < 0)
return err;
return mt9m111_set_gain(&sd->gspca_dev, sensor_settings[GAIN_IDX]);
}
@ -462,6 +484,32 @@ static int mt9m111_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val)
return 0;
}
static int mt9m111_set_red_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[RED_BALANCE_IDX] = val;
data[0] = (val & 0xff);
data[1] = (val & 0xff00) >> 8;
PDEBUG(D_V4L2, "Set red balance %d", val);
return m5602_write_sensor(sd, MT9M111_SC_RED_GAIN,
data, 2);
}
static int mt9m111_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
s32 *sensor_settings = sd->sensor_priv;
*val = sensor_settings[RED_BALANCE_IDX];
PDEBUG(D_V4L2, "Read red balance %d", *val);
return 0;
}
static void mt9m111_dump_registers(struct sd *sd)
{
u8 address, value[2] = {0x00, 0x00};

1
drivers/media/video/gspca/m5602/m5602_mt9m111.h
View File

@ -95,6 +95,7 @@
#define DEFAULT_GAIN 283
#define MT9M111_GREEN_GAIN_DEFAULT 0x20
#define MT9M111_BLUE_GAIN_DEFAULT 0x20
#define MT9M111_RED_GAIN_DEFAULT 0x20
/*****************************************************************************/