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| author | Erik Andr?n <erik.andren@gmail.com> | 2009-01-14 07:37:03 +0100 |
|---|---|---|
| committer | Erik Andr?n <erik.andren@gmail.com> | 2009-01-14 07:37:03 +0100 |
| commit | 5432c866197d81e8af8579d9865ba47d770d44bc (patch) | |
| tree | 733be9abc843008e37562d19f7e56dda1844df91 /linux/drivers/media | |
| parent | 81dcc91ec72ff9b0b3464d46ab0965f53e4499e7 (diff) | |
| download | mediapointer-dvb-s2-5432c866197d81e8af8579d9865ba47d770d44bc.tar.gz mediapointer-dvb-s2-5432c866197d81e8af8579d9865ba47d770d44bc.tar.bz2 | |
gspca - m5602-s5k4aa: Add brightness v4l2 ctrl
From: Erik Andr?n <erik.andren@gmail.com>
Priority: normal
Signed-off-by: Erik Andr?n <erik.andren@gmail.com>
Diffstat (limited to 'linux/drivers/media')
| -rw-r--r-- | linux/drivers/media/video/gspca/m5602/m5602_s5k4aa.c | 54 | ||||
| -rw-r--r-- | linux/drivers/media/video/gspca/m5602/m5602_s5k4aa.h | 8 |
2 files changed, 56 insertions, 6 deletions
diff --git a/linux/drivers/media/video/gspca/m5602/m5602_s5k4aa.c b/linux/drivers/media/video/gspca/m5602/m5602_s5k4aa.c index b21f2e0b4..06da4b3ed 100644 --- a/linux/drivers/media/video/gspca/m5602/m5602_s5k4aa.c +++ b/linux/drivers/media/video/gspca/m5602/m5602_s5k4aa.c @@ -28,6 +28,8 @@ static int s5k4aa_get_gain(struct gspca_dev *gspca_dev, __s32 *val); static int s5k4aa_set_gain(struct gspca_dev *gspca_dev, __s32 val); static int s5k4aa_get_noise(struct gspca_dev *gspca_dev, __s32 *val); static int s5k4aa_set_noise(struct gspca_dev *gspca_dev, __s32 val); +static int s5k4aa_get_brightness(struct gspca_dev *gspca_dev, __s32 *val); +static int s5k4aa_set_brightness(struct gspca_dev *gspca_dev, __s32 val); static #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) @@ -115,7 +117,7 @@ const static struct ctrl s5k4aa_ctrls[] = { .minimum = 0, .maximum = 127, .step = 1, - .default_value = DEFAULT_GAIN_2, + .default_value = S5K4AA_DEFAULT_GAIN, .flags = V4L2_CTRL_FLAG_SLIDER }, .set = s5k4aa_set_gain, @@ -150,6 +152,21 @@ const static struct ctrl s5k4aa_ctrls[] = { .set = s5k4aa_set_noise, .get = s5k4aa_get_noise }, +#define BRIGHTNESS_IDX 5 + { + { + .id = V4L2_CID_BRIGHTNESS, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Brightness", + .minimum = 0, + .maximum = 0x1f, + .step = 1, + .default_value = S5K4AA_DEFAULT_BRIGHTNESS, + }, + .set = s5k4aa_set_brightness, + .get = s5k4aa_get_brightness + }, + }; static void s5k4aa_dump_registers(struct sd *sd); @@ -322,6 +339,11 @@ int s5k4aa_init(struct sd *sd) if (err < 0) return err; + err = s5k4aa_set_brightness(&sd->gspca_dev, + sensor_settings[BRIGHTNESS_IDX]); + if (err < 0) + return err; + err = s5k4aa_set_noise(&sd->gspca_dev, sensor_settings[NOISE_SUPP_IDX]); if (err < 0) return err; @@ -510,11 +532,39 @@ static int s5k4aa_set_gain(struct gspca_dev *gspca_dev, __s32 val) return err; data = val & 0xff; - err = m5602_write_sensor(sd, S5K4AA_GAIN_2, &data, 1); + err = m5602_write_sensor(sd, S5K4AA_GAIN, &data, 1); return err; } +static int s5k4aa_get_brightness(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + + *val = sensor_settings[BRIGHTNESS_IDX]; + PDEBUG(D_V4L2, "Read brightness %d", *val); + return 0; +} + +static int s5k4aa_set_brightness(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + s32 *sensor_settings = sd->sensor_priv; + u8 data = S5K4AA_PAGE_MAP_2; + int err; + + sensor_settings[BRIGHTNESS_IDX] = val; + + PDEBUG(D_V4L2, "Set brightness to %d", val); + err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1); + if (err < 0) + return err; + + data = val & 0xff; + return m5602_write_sensor(sd, S5K4AA_BRIGHTNESS, &data, 1); +} + static int s5k4aa_get_noise(struct gspca_dev *gspca_dev, __s32 *val) { struct sd *sd = (struct sd *) gspca_dev; diff --git a/linux/drivers/media/video/gspca/m5602/m5602_s5k4aa.h b/linux/drivers/media/video/gspca/m5602/m5602_s5k4aa.h index 8299f216c..2349174ad 100644 --- a/linux/drivers/media/video/gspca/m5602/m5602_s5k4aa.h +++ b/linux/drivers/media/video/gspca/m5602/m5602_s5k4aa.h @@ -47,8 +47,8 @@ #define S5K4AA_H_BLANK_LO__ 0x1e #define S5K4AA_EXPOSURE_HI 0x17 #define S5K4AA_EXPOSURE_LO 0x18 -#define S5K4AA_GAIN_1 0x1f /* (digital?) gain : 5 bits */ -#define S5K4AA_GAIN_2 0x20 /* (analogue?) gain : 7 bits */ +#define S5K4AA_BRIGHTNESS 0x1f /* (digital?) gain : 5 bits */ +#define S5K4AA_GAIN 0x20 /* (analogue?) gain : 7 bits */ #define S5K4AA_NOISE_SUPP 0x37 #define S5K4AA_RM_ROW_SKIP_4X 0x08 @@ -58,7 +58,8 @@ #define S5K4AA_RM_H_FLIP 0x40 #define S5K4AA_RM_V_FLIP 0x80 -#define DEFAULT_GAIN_2 0x5f +#define S5K4AA_DEFAULT_GAIN 0x5f +#define S5K4AA_DEFAULT_BRIGHTNESS 0x10 /*****************************************************************************/ @@ -303,7 +304,6 @@ static const unsigned char VGA_s5k4aa[][4] = {SENSOR, 0x12, 0xc3, 0x00}, {SENSOR, S5K4AA_PAGE_MAP, 0x02, 0x00}, {SENSOR, 0x02, 0x0e, 0x00}, - {SENSOR, S5K4AA_GAIN_1, 0x10, 0x00}, }; #endif |