diff options
| author | Erik Andrén <erik.andren@gmail.com> | 2009-06-17 10:14:12 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-09-19 07:16:29 +0400 |
| commit | 68fdb7a5b52cb060f7824f9d6e98e105af36a474 (patch) | |
| tree | 07395735f9cfdf8672cf1106fec9be6cd7af7d2f /drivers/media/video/gspca/m5602 | |
| parent | cbd1f7fb7059c629cb9e5131a755febc906496a6 (diff) | |
| download | linux-68fdb7a5b52cb060f7824f9d6e98e105af36a474.tar.xz | |
V4L/DVB (12978): gspca - m5602-ov7660: Add red gain control
Hook up the red gain controller
Signed-off-by: Erik Andrén <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/gspca/m5602')
| -rw-r--r-- | drivers/media/video/gspca/m5602/m5602_ov7660.c | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/drivers/media/video/gspca/m5602/m5602_ov7660.c b/drivers/media/video/gspca/m5602/m5602_ov7660.c index 8125c5b6cfc0..9d0cf2ccd1fe 100644 --- a/drivers/media/video/gspca/m5602/m5602_ov7660.c +++ b/drivers/media/video/gspca/m5602/m5602_ov7660.c @@ -22,6 +22,8 @@ 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); +static int ov7660_get_red_gain(struct gspca_dev *gspca_dev, __s32 *val); +static int ov7660_set_red_gain(struct gspca_dev *gspca_dev, __s32 val); const static struct ctrl ov7660_ctrls[] = { #define GAIN_IDX 1 @@ -54,7 +56,21 @@ const static struct ctrl ov7660_ctrls[] = { .set = ov7660_set_blue_gain, .get = ov7660_get_blue_gain }, - +#define RED_BALANCE_IDX 3 + { + { + .id = V4L2_CID_RED_BALANCE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "red balance", + .minimum = 0x00, + .maximum = 0x7f, + .step = 0x1, + .default_value = OV7660_DEFAULT_RED_GAIN, + .flags = V4L2_CTRL_FLAG_SLIDER + }, + .set = ov7660_set_red_gain, + .get = ov7660_get_red_gain + }, }; static struct v4l2_pix_format ov7660_modes[] = { @@ -237,6 +253,31 @@ static int ov7660_set_blue_gain(struct gspca_dev *gspca_dev, __s32 val) return err; } +static int ov7660_get_red_gain(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 int ov7660_set_red_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 red balance to %d", val); + + sensor_settings[RED_BALANCE_IDX] = val; + + err = m5602_write_sensor(sd, OV7660_RED_GAIN, &i2c_data, 1); + return err; +} + static void ov7660_dump_registers(struct sd *sd) { int address; |