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| author | Erik Andr?n <erik.andren@gmail.com> | 2009-01-08 03:53:50 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-06-16 18:20:25 -0300 |
| commit | 3b9ae658ec77180d13152913a1f63b6f1b2756c2 (patch) | |
| tree | ef8c4539b1df606cfa7649f0796fcb426f45845b /drivers/media/video/gspca/m5602/m5602_po1030.c | |
| parent | cb29e691977ac7677ca62c13cc9aa1eab2463075 (diff) | |
| download | kernel_samsung_smdk4412-3b9ae658ec77180d13152913a1f63b6f1b2756c2.zip kernel_samsung_smdk4412-3b9ae658ec77180d13152913a1f63b6f1b2756c2.tar.gz kernel_samsung_smdk4412-3b9ae658ec77180d13152913a1f63b6f1b2756c2.tar.bz2 | |
V4L/DVB (11459): gspca - m5602-po1030: Add auto white balancing control
Add a po1030 auto white balancing control that's disabled by default
Signed-off-by: Erik Andr?n <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/gspca/m5602/m5602_po1030.c')
| -rw-r--r-- | drivers/media/video/gspca/m5602/m5602_po1030.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/m5602/m5602_po1030.c b/drivers/media/video/gspca/m5602/m5602_po1030.c index 7ec3fbf..7eec6e8 100644 --- a/drivers/media/video/gspca/m5602/m5602_po1030.c +++ b/drivers/media/video/gspca/m5602/m5602_po1030.c @@ -119,6 +119,20 @@ const static struct ctrl po1030_ctrls[] = { }, .set = po1030_set_vflip, .get = po1030_get_vflip + }, +#define AUTO_WHITE_BALANCE_IDX 6 + { + { + .id = V4L2_CID_AUTO_WHITE_BALANCE, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "auto white balance", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0, + }, + .set = po1030_set_auto_white_balance, + .get = po1030_get_auto_white_balance } }; @@ -238,6 +252,14 @@ int po1030_init(struct sd *sd) err = po1030_set_red_balance(&sd->gspca_dev, sensor_settings[BLUE_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) + return err; + return err; } @@ -425,6 +447,35 @@ int po1030_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val) return err; } +int po1030_get_auto_white_balance(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + + *val = sensor_settings[AUTO_WHITE_BALANCE_IDX]; + PDEBUG(D_V4L2, "Auto white balancing is %d", *val); + + return 0; +} + +int po1030_set_auto_white_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[AUTO_WHITE_BALANCE_IDX] = val; + + err = m5602_read_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1); + if (err < 0) + return err; + + i2c_data = (i2c_data & 0xfe) | (val & 0x01); + err = m5602_write_sensor(sd, PO1030_AUTOCTRL1, &i2c_data, 1); + return err; +} + void po1030_disconnect(struct sd *sd) { sd->sensor = NULL; |