V4L/DVB (12986): gspca - m5602-ov7660: Add hflip, vflip controls
Erik Andrén [Fri, 26 Jun 2009 07:35:37 +0000 (04:35 -0300)]
Signed-off-by: Erik Andrén <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/gspca/m5602/m5602_ov7660.c

index f7c050f..9b5e105 100644 (file)
@@ -32,6 +32,10 @@ static int ov7660_get_auto_gain(struct gspca_dev *gspca_dev, __s32 *val);
 static int ov7660_set_auto_gain(struct gspca_dev *gspca_dev, __s32 val);
 static int ov7660_get_auto_exposure(struct gspca_dev *gspca_dev, __s32 *val);
 static int ov7660_set_auto_exposure(struct gspca_dev *gspca_dev, __s32 val);
+static int ov7660_get_hflip(struct gspca_dev *gspca_dev, __s32 *val);
+static int ov7660_set_hflip(struct gspca_dev *gspca_dev, __s32 val);
+static int ov7660_get_vflip(struct gspca_dev *gspca_dev, __s32 *val);
+static int ov7660_set_vflip(struct gspca_dev *gspca_dev, __s32 val);
 
 const static struct ctrl ov7660_ctrls[] = {
 #define GAIN_IDX 1
@@ -120,7 +124,36 @@ const static struct ctrl ov7660_ctrls[] = {
                },
                .set = ov7660_set_auto_exposure,
                .get = ov7660_get_auto_exposure
-       }
+       },
+#define HFLIP_IDX 7
+       {
+               {
+                       .id             = V4L2_CID_HFLIP,
+                       .type           = V4L2_CTRL_TYPE_BOOLEAN,
+                       .name           = "horizontal flip",
+                       .minimum        = 0,
+                       .maximum        = 1,
+                       .step           = 1,
+                       .default_value  = 0
+               },
+               .set = ov7660_set_hflip,
+               .get = ov7660_get_hflip
+       },
+#define VFLIP_IDX 8
+       {
+               {
+                       .id             = V4L2_CID_VFLIP,
+                       .type           = V4L2_CTRL_TYPE_BOOLEAN,
+                       .name           = "vertical flip",
+                       .minimum        = 0,
+                       .maximum        = 1,
+                       .step           = 1,
+                       .default_value  = 0
+               },
+               .set = ov7660_set_vflip,
+               .get = ov7660_get_vflip
+       },
+
 };
 
 static struct v4l2_pix_format ov7660_modes[] = {
@@ -221,7 +254,7 @@ int ov7660_init(struct sd *sd)
                } else {
                        data[0] = init2_ov7660[i][2];
                        err = m5602_write_sensor(sd,
-                                       init2_ov7660[i][1], data, 1);
+                               init2_ov7660[i][1], data, 1);
                }
        }
 
@@ -254,6 +287,16 @@ int ov7660_init(struct sd *sd)
 
        err = ov7660_set_red_gain(&sd->gspca_dev,
                sensor_settings[RED_BALANCE_IDX]);
+       if (err < 0)
+               return err;
+
+       err = ov7660_set_hflip(&sd->gspca_dev,
+               sensor_settings[HFLIP_IDX]);
+       if (err < 0)
+               return err;
+
+       err = ov7660_set_vflip(&sd->gspca_dev,
+               sensor_settings[VFLIP_IDX]);
 
        return err;
 }
@@ -441,6 +484,68 @@ static int ov7660_set_auto_exposure(struct gspca_dev *gspca_dev,
        return m5602_write_sensor(sd, OV7660_COM8, &i2c_data, 1);
 }
 
+static int ov7660_get_hflip(struct gspca_dev *gspca_dev, __s32 *val)
+{
+       struct sd *sd = (struct sd *) gspca_dev;
+       s32 *sensor_settings = sd->sensor_priv;
+
+       *val = sensor_settings[HFLIP_IDX];
+       PDEBUG(D_V4L2, "Read horizontal flip %d", *val);
+       return 0;
+}
+
+static int ov7660_set_hflip(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, "Set horizontal flip to %d", val);
+
+       sensor_settings[HFLIP_IDX] = val;
+
+       i2c_data = ((val & 0x01) << 5) |
+               (sensor_settings[VFLIP_IDX] << 4);
+
+       err = m5602_write_sensor(sd, OV7660_MVFP, &i2c_data, 1);
+
+       return err;
+}
+
+static int ov7660_get_vflip(struct gspca_dev *gspca_dev, __s32 *val)
+{
+       struct sd *sd = (struct sd *) gspca_dev;
+       s32 *sensor_settings = sd->sensor_priv;
+
+       *val = sensor_settings[VFLIP_IDX];
+       PDEBUG(D_V4L2, "Read vertical flip %d", *val);
+
+       return 0;
+}
+
+static int ov7660_set_vflip(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, "Set vertical flip to %d", val);
+       sensor_settings[VFLIP_IDX] = val;
+
+       i2c_data = ((val & 0x01) << 4) | (sensor_settings[VFLIP_IDX] << 5);
+       err = m5602_write_sensor(sd, OV7660_MVFP, &i2c_data, 1);
+       if (err < 0)
+               return err;
+
+       /* When vflip is toggled we need to readjust the bridge hsync/vsync */
+       if (gspca_dev->streaming)
+               err = ov7660_start(sd);
+
+       return err;
+}
+
 static void ov7660_dump_registers(struct sd *sd)
 {
        int address;