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authorErik Andr?n <erik.andren@gmail.com>2009-01-14 03:37:03 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-06-16 18:20:33 -0300
commit7ee4629092aa2982a3fbb9cfb3691637b55b4a40 (patch)
treee000f06302edc667b0d9555c2617ed9f42b30671 /drivers
parent3290d40206ce122058a1f1f56dfce3d2000107b3 (diff)
V4L/DVB (11530): gspca - m5602-s5k4aa: Add brightness v4l2 ctrl
Signed-off-by: Erik Andr?n <erik.andren@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/media/video/gspca/m5602/m5602_s5k4aa.c54
-rw-r--r--drivers/media/video/gspca/m5602/m5602_s5k4aa.h8
2 files changed, 56 insertions, 6 deletions
diff --git a/drivers/media/video/gspca/m5602/m5602_s5k4aa.c b/drivers/media/video/gspca/m5602/m5602_s5k4aa.c
index 4ecba9b2a5a..404439fa4bb 100644
--- a/drivers/media/video/gspca/m5602/m5602_s5k4aa.c
+++ b/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
const
@@ -113,7 +115,7 @@ 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,
@@ -148,6 +150,21 @@ 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);
@@ -320,6 +337,11 @@ 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;
@@ -508,11 +530,39 @@ 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/drivers/media/video/gspca/m5602/m5602_s5k4aa.h b/drivers/media/video/gspca/m5602/m5602_s5k4aa.h
index 8299f216c20..2349174ad66 100644
--- a/drivers/media/video/gspca/m5602/m5602_s5k4aa.h
+++ b/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