1 files changed, 52 insertions, 2 deletions

diff --git a/drivers/media/video/gspca/m5602/m5602_s5k4aa.c b/drivers/media/video/gspca/m5602/m5602_s5k4aa.c
index 4ecba9b..404439f 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;