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V4L/DVB (11529): gspca - m5602-s5k4aa: Add noise suppression 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 16:40:28 -03:00 committed by Mauro Carvalho Chehab
parent 71c6e59d47
commit 3290d40206
3 changed files with 52 additions and 4 deletions
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54
drivers/media/video/gspca/m5602/m5602_s5k4aa.c
View File

@ -26,6 +26,8 @@ static int s5k4aa_get_hflip(struct gspca_dev *gspca_dev, __s32 *val);
static int s5k4aa_set_hflip(struct gspca_dev *gspca_dev, __s32 val);
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
const
@ -131,7 +133,21 @@ const static struct ctrl s5k4aa_ctrls[] = {
},
.set = s5k4aa_set_exposure,
.get = s5k4aa_get_exposure
}
},
#define NOISE_SUPP_IDX 4
{
{
.id = V4L2_CID_PRIVATE_BASE,
.type = V4L2_CTRL_TYPE_BOOLEAN,
.name = "Noise suppression (smoothing)",
.minimum = 0,
.maximum = 1,
.step = 1,
.default_value = 1,
},
.set = s5k4aa_set_noise,
.get = s5k4aa_get_noise
},
};
static void s5k4aa_dump_registers(struct sd *sd);
@ -304,13 +320,15 @@ int s5k4aa_init(struct sd *sd)
if (err < 0)
return err;
err = s5k4aa_set_noise(&sd->gspca_dev, sensor_settings[NOISE_SUPP_IDX]);
if (err < 0)
return err;
err = s5k4aa_set_vflip(&sd->gspca_dev, sensor_settings[VFLIP_IDX]);
if (err < 0)
return err;
err = s5k4aa_set_hflip(&sd->gspca_dev, sensor_settings[HFLIP_IDX]);
return err;
return s5k4aa_set_hflip(&sd->gspca_dev, sensor_settings[HFLIP_IDX]);
}
static int s5k4aa_get_exposure(struct gspca_dev *gspca_dev, __s32 *val)
@ -495,6 +513,34 @@ static int s5k4aa_set_gain(struct gspca_dev *gspca_dev, __s32 val)
return err;
}
static int s5k4aa_get_noise(struct gspca_dev *gspca_dev, __s32 *val)
{
struct sd *sd = (struct sd *) gspca_dev;
s32 *sensor_settings = sd->sensor_priv;
*val = sensor_settings[NOISE_SUPP_IDX];
PDEBUG(D_V4L2, "Read noise %d", *val);
return 0;
}
static int s5k4aa_set_noise(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[NOISE_SUPP_IDX] = val;
PDEBUG(D_V4L2, "Set noise to %d", val);
err = m5602_write_sensor(sd, S5K4AA_PAGE_MAP, &data, 1);
if (err < 0)
return err;
data = val & 0x01;
return m5602_write_sensor(sd, S5K4AA_NOISE_SUPP, &data, 1);
}
void s5k4aa_disconnect(struct sd *sd)
{
sd->sensor = NULL;

1
drivers/media/video/gspca/m5602/m5602_s5k4aa.h
View File

@ -49,6 +49,7 @@
#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_NOISE_SUPP 0x37
#define S5K4AA_RM_ROW_SKIP_4X 0x08
#define S5K4AA_RM_ROW_SKIP_2X 0x04

1
drivers/media/video/gspca/m5602/m5602_sensor.h
View File

@ -22,6 +22,7 @@
#include "m5602_bridge.h"
#define M5602_V4L2_CID_GREEN_BALANCE (V4L2_CID_PRIVATE_BASE + 0)
#define M5602_V4L2_CID_NOISE_SUPPRESION (V4L2_CID_PRIVATE_BASE + 1)
/* Enumerates all supported sensors */
enum sensors {