+static int tw9910_g_mbus_config(struct v4l2_subdev *sd,
+ struct v4l2_mbus_config *cfg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct soc_camera_device *icd = client->dev.platform_data;
+ struct soc_camera_link *icl = to_soc_camera_link(icd);
+
+ cfg->flags = V4L2_MBUS_PCLK_SAMPLE_RISING | V4L2_MBUS_MASTER |
+ V4L2_MBUS_VSYNC_ACTIVE_HIGH | V4L2_MBUS_VSYNC_ACTIVE_LOW |
+ V4L2_MBUS_HSYNC_ACTIVE_HIGH | V4L2_MBUS_HSYNC_ACTIVE_LOW |
+ V4L2_MBUS_DATA_ACTIVE_HIGH;
+ cfg->type = V4L2_MBUS_PARALLEL;
+ cfg->flags = soc_camera_apply_board_flags(icl, cfg);
+
+ return 0;
+}
+
+static int tw9910_s_mbus_config(struct v4l2_subdev *sd,
+ const struct v4l2_mbus_config *cfg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ struct soc_camera_device *icd = client->dev.platform_data;
+ struct soc_camera_link *icl = to_soc_camera_link(icd);
+ u8 val = VSSL_VVALID | HSSL_DVALID;
+ unsigned long flags = soc_camera_apply_board_flags(icl, cfg);
+
+ /*
+ * set OUTCTR1
+ *
+ * We use VVALID and DVALID signals to control VSYNC and HSYNC
+ * outputs, in this mode their polarity is inverted.
+ */
+ if (flags & V4L2_MBUS_HSYNC_ACTIVE_LOW)
+ val |= HSP_HI;
+
+ if (flags & V4L2_MBUS_VSYNC_ACTIVE_LOW)
+ val |= VSP_HI;
+
+ return i2c_smbus_write_byte_data(client, OUTCTR1, val);
+}
+