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authorErik Andrén <erik.andren@gmail.com>2009-06-17 10:11:24 +0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-09-19 07:16:21 +0400
commitcbd1f7fb7059c629cb9e5131a755febc906496a6 (patch)
treeaf279d20c5ad44d1905b8fe0b50665d2f498aad8
parentb8298e7e588dc906adc358179349841d58f6f580 (diff)
downloadlinux-cbd1f7fb7059c629cb9e5131a755febc906496a6.tar.xz
V4L/DVB (12977): gspca - m5602-ov7660: Create blue gain control
Hook up a blue gain v4l2 controller Signed-off-by: Erik Andrén <erik.andren@gmail.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
-rw-r--r--drivers/media/video/gspca/m5602/m5602_ov7660.c43
-rw-r--r--drivers/media/video/gspca/m5602/m5602_ov7660.h20
2 files changed, 51 insertions, 12 deletions
diff --git a/drivers/media/video/gspca/m5602/m5602_ov7660.c b/drivers/media/video/gspca/m5602/m5602_ov7660.c
index 7aafeb7cfa07..8125c5b6cfc0 100644
--- a/drivers/media/video/gspca/m5602/m5602_ov7660.c
+++ b/drivers/media/video/gspca/m5602/m5602_ov7660.c
@@ -20,6 +20,8 @@
static int ov7660_get_gain(struct gspca_dev *gspca_dev, __s32 *val);
static int ov7660_set_gain(struct gspca_dev *gspca_dev, __s32 val);
+static int ov7660_get_blue_gain(struct gspca_dev *gspca_dev, __s32 *val);
+static int ov7660_set_blue_gain(struct gspca_dev *gspca_dev, __s32 val);
const static struct ctrl ov7660_ctrls[] = {
#define GAIN_IDX 1
@@ -37,6 +39,22 @@ const static struct ctrl ov7660_ctrls[] = {
.set = ov7660_set_gain,
.get = ov7660_get_gain
},
+#define BLUE_BALANCE_IDX 2
+ {
+ {
+ .id = V4L2_CID_BLUE_BALANCE,
+ .type = V4L2_CTRL_TYPE_INTEGER,
+ .name = "blue balance",
+ .minimum = 0x00,
+ .maximum = 0x7f,
+ .step = 0x1,
+ .default_value = OV7660_DEFAULT_BLUE_GAIN,
+ .flags = V4L2_CTRL_FLAG_SLIDER
+ },
+ .set = ov7660_set_blue_gain,
+ .get = ov7660_get_blue_gain
+ },
+
};
static struct v4l2_pix_format ov7660_modes[] = {
@@ -194,6 +212,31 @@ static int ov7660_set_gain(struct gspca_dev *gspca_dev, __s32 val)
return err;
}
+static int ov7660_get_blue_gain(struct gspca_dev *gspca_dev, __s32 *val)
+{
+ struct sd *sd = (struct sd *) gspca_dev;
+ s32 *sensor_settings = sd->sensor_priv;
+
+ *val = sensor_settings[BLUE_BALANCE_IDX];
+ PDEBUG(D_V4L2, "Read blue balance %d", *val);
+ return 0;
+}
+
+static int ov7660_set_blue_gain(struct gspca_dev *gspca_dev, __s32 val)
+{
+ int err;
+ u8 i2c_data;
+ struct sd *sd = (struct sd *) gspca_dev;
+ s32 *sensor_settings = sd->sensor_priv;
+
+ PDEBUG(D_V4L2, "Setting blue balance to %d", val);
+
+ sensor_settings[BLUE_BALANCE_IDX] = val;
+
+ err = m5602_write_sensor(sd, OV7660_BLUE_GAIN, &i2c_data, 1);
+ return err;
+}
+
static void ov7660_dump_registers(struct sd *sd)
{
int address;
diff --git a/drivers/media/video/gspca/m5602/m5602_ov7660.h b/drivers/media/video/gspca/m5602/m5602_ov7660.h
index 3f2c169a93ea..d2589d654a19 100644
--- a/drivers/media/video/gspca/m5602/m5602_ov7660.h
+++ b/drivers/media/video/gspca/m5602/m5602_ov7660.h
@@ -66,23 +66,23 @@
#define OV7660_RBIAS 0x2c
#define OV7660_HREF 0x32
#define OV7660_ADC 0x37
-#define OV7660_OFON 0x39
-#define OV7660_TSLB 0x3a
-#define OV7660_COM12 0x3c
-#define OV7660_COM13 0x3d
+#define OV7660_OFON 0x39
+#define OV7660_TSLB 0x3a
+#define OV7660_COM12 0x3c
+#define OV7660_COM13 0x3d
#define OV7660_LCC1 0x62
#define OV7660_LCC2 0x63
#define OV7660_LCC3 0x64
#define OV7660_LCC4 0x65
#define OV7660_LCC5 0x66
-#define OV7660_HV 0x69
-#define OV7660_RSVDA1 0xa1
+#define OV7660_HV 0x69
+#define OV7660_RSVDA1 0xa1
#define OV7660_DEFAULT_GAIN 0x0e
-#define OV7660_DEFAULT_RED_GAIN 0x80
+#define OV7660_DEFAULT_RED_GAIN 0x80
#define OV7660_DEFAULT_BLUE_GAIN 0x80
#define OV7660_DEFAULT_SATURATION 0x00
-#define OV7660_DEFAULT_EXPOSURE 0x20
+#define OV7660_DEFAULT_EXPOSURE 0x20
/* Kernel module parameters */
extern int force_sensor;
@@ -199,8 +199,6 @@ static const unsigned char init_ov7660[][4] =
{SENSOR, OV7660_COM7, 0x80},
{SENSOR, OV7660_CLKRC, 0x80},
- {SENSOR, OV7660_BLUE_GAIN, 0x80},
- {SENSOR, OV7660_RED_GAIN, 0x80},
{SENSOR, OV7660_COM9, 0x4c},
{SENSOR, OV7660_OFON, 0x43},
{SENSOR, OV7660_COM12, 0x28},
@@ -264,8 +262,6 @@ static const unsigned char init_ov7660[][4] =
{SENSOR, OV7660_OFON, 0x0c},
{SENSOR, OV7660_COM2, 0x11},
{SENSOR, OV7660_COM7, 0x05},
- {SENSOR, OV7660_BLUE_GAIN, 0x80},
- {SENSOR, OV7660_RED_GAIN, 0x80},
{BRIDGE, M5602_XB_GPIO_DIR, 0x01},
{BRIDGE, M5602_XB_GPIO_DAT, 0x04},