diff options
Diffstat (limited to 'drivers/media/video/gspca/m5602/m5602_ov7660.c')
| -rw-r--r-- | drivers/media/video/gspca/m5602/m5602_ov7660.c | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/m5602/m5602_ov7660.c b/drivers/media/video/gspca/m5602/m5602_ov7660.c index 7aafeb7cfa0..8125c5b6cfc 100644 --- a/drivers/media/video/gspca/m5602/m5602_ov7660.c +++ b/drivers/media/video/gspca/m5602/m5602_ov7660.c @@ -20,6 +20,8 @@ static int ov7660_get_gain(struct gspca_dev *gspca_dev, __s32 *val); static int ov7660_set_gain(struct gspca_dev *gspca_dev, __s32 val); +static int ov7660_get_blue_gain(struct gspca_dev *gspca_dev, __s32 *val); +static int ov7660_set_blue_gain(struct gspca_dev *gspca_dev, __s32 val); const static struct ctrl ov7660_ctrls[] = { #define GAIN_IDX 1 @@ -37,6 +39,22 @@ const static struct ctrl ov7660_ctrls[] = { .set = ov7660_set_gain, .get = ov7660_get_gain }, +#define BLUE_BALANCE_IDX 2 + { + { + .id = V4L2_CID_BLUE_BALANCE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "blue balance", + .minimum = 0x00, + .maximum = 0x7f, + .step = 0x1, + .default_value = OV7660_DEFAULT_BLUE_GAIN, + .flags = V4L2_CTRL_FLAG_SLIDER + }, + .set = ov7660_set_blue_gain, + .get = ov7660_get_blue_gain + }, + }; static struct v4l2_pix_format ov7660_modes[] = { @@ -194,6 +212,31 @@ static int ov7660_set_gain(struct gspca_dev *gspca_dev, __s32 val) return err; } +static int ov7660_get_blue_gain(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 int ov7660_set_blue_gain(struct gspca_dev *gspca_dev, __s32 val) +{ + int err; + u8 i2c_data; + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + + PDEBUG(D_V4L2, "Setting blue balance to %d", val); + + sensor_settings[BLUE_BALANCE_IDX] = val; + + err = m5602_write_sensor(sd, OV7660_BLUE_GAIN, &i2c_data, 1); + return err; +} + static void ov7660_dump_registers(struct sd *sd) { int address; |