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authorErik Andr?n <erik.andren@gmail.com>2009-01-13 14:18:53 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-06-16 18:20:32 -0300
commit0746673d21ea53d4bd710b47ad67c413e9510a5a (patch)
treeaa53d0e68b3041ab8d1f1161e0ce8941865d2421 /drivers/media/video/gspca
parent74b123cf7ac638ede605e483cde0f534951f5266 (diff)
V4L/DVB (11526): gspca - m5602-mt9m111: Add red balance ctrl
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')
-rw-r--r--drivers/media/video/gspca/m5602/m5602_mt9m111.c48
-rw-r--r--drivers/media/video/gspca/m5602/m5602_mt9m111.h1
2 files changed, 49 insertions, 0 deletions
diff --git a/drivers/media/video/gspca/m5602/m5602_mt9m111.c b/drivers/media/video/gspca/m5602/m5602_mt9m111.c
index 8bdd29c7d8f..95b6e95aa08 100644
--- a/drivers/media/video/gspca/m5602/m5602_mt9m111.c
+++ b/drivers/media/video/gspca/m5602/m5602_mt9m111.c
@@ -32,6 +32,8 @@ static int mt9m111_get_green_balance(struct gspca_dev *gspca_dev, __s32 *val);
static int mt9m111_set_green_balance(struct gspca_dev *gspca_dev, __s32 val);
static int mt9m111_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val);
static int mt9m111_set_blue_balance(struct gspca_dev *gspca_dev, __s32 val);
+static int mt9m111_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val);
+static int mt9m111_set_red_balance(struct gspca_dev *gspca_dev, __s32 val);
static struct v4l2_pix_format mt9m111_modes[] = {
{
@@ -134,6 +136,21 @@ const static struct ctrl mt9m111_ctrls[] = {
.set = mt9m111_set_blue_balance,
.get = mt9m111_get_blue_balance
},
+#define RED_BALANCE_IDX 5
+ {
+ {
+ .id = V4L2_CID_RED_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "red balance",
+ .minimum = 0x00,
+ .maximum = 0x7ff,
+ .step = 0x1,
+ .default_value = MT9M111_RED_GAIN_DEFAULT,
+ .flags = V4L2_CTRL_FLAG_SLIDER
+ },
+ .set = mt9m111_set_red_balance,
+ .get = mt9m111_get_red_balance
+ },
};
static void mt9m111_dump_registers(struct sd *sd);
@@ -240,6 +257,11 @@ int mt9m111_init(struct sd *sd)
if (err < 0)
return err;
+ err = mt9m111_set_red_balance(&sd->gspca_dev,
+ sensor_settings[RED_BALANCE_IDX]);
+ if (err < 0)
+ return err;
+
return mt9m111_set_gain(&sd->gspca_dev, sensor_settings[GAIN_IDX]);
}
@@ -462,6 +484,32 @@ static int mt9m111_get_blue_balance(struct gspca_dev *gspca_dev, __s32 *val)
return 0;
}
+static int mt9m111_set_red_balance(struct gspca_dev *gspca_dev, __s32 val)
+{
+ u8 data[2];
+ struct sd *sd = (struct sd *) gspca_dev;
+ s32 *sensor_settings = sd->sensor_priv;
+
+ sensor_settings[RED_BALANCE_IDX] = val;
+ data[0] = (val & 0xff);
+ data[1] = (val & 0xff00) >> 8;
+
+ PDEBUG(D_V4L2, "Set red balance %d", val);
+
+ return m5602_write_sensor(sd, MT9M111_SC_RED_GAIN,
+ data, 2);
+}
+
+static int mt9m111_get_red_balance(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ s32 *sensor_settings = sd->sensor_priv;
+
+ *val = sensor_settings[RED_BALANCE_IDX];
+ PDEBUG(D_V4L2, "Read red balance %d", *val);
+ return 0;
+}
+
static void mt9m111_dump_registers(struct sd *sd)
{
u8 address, value[2] = {0x00, 0x00};
diff --git a/drivers/media/video/gspca/m5602/m5602_mt9m111.h b/drivers/media/video/gspca/m5602/m5602_mt9m111.h
index 57dcb56efef..217728a24da 100644
--- a/drivers/media/video/gspca/m5602/m5602_mt9m111.h
+++ b/drivers/media/video/gspca/m5602/m5602_mt9m111.h
@@ -95,6 +95,7 @@
#define DEFAULT_GAIN 283
#define MT9M111_GREEN_GAIN_DEFAULT 0x20
#define MT9M111_BLUE_GAIN_DEFAULT 0x20
+#define MT9M111_RED_GAIN_DEFAULT 0x20
/*****************************************************************************/