[media] V4L: mt9t031: support the new mbus-config subdev ops

Extend the driver to also support [gs]_mbus_config() subdevice video
operations.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/mt9t031.c b/drivers/media/video/mt9t031.c
index 30547cc3f89b374e286ddf9da1105bf9317db2df..c5adb23014807f961a936c6723ff6d03f0062b32 100644 (file)
--- a/drivers/media/video/mt9t031.c
+++ b/drivers/media/video/mt9t031.c
@@ -16,6 +16,7 @@
 #include <linux/videodev2.h>
 
 #include <media/soc_camera.h>
+#include <media/soc_mediabus.h>
 #include <media/v4l2-chip-ident.h>
 #include <media/v4l2-subdev.h>
 
@@ -807,6 +808,36 @@ static int mt9t031_enum_fmt(struct v4l2_subdev *sd, unsigned int index,
        return 0;
 }
 
+static int mt9t031_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_MASTER | V4L2_MBUS_PCLK_SAMPLE_RISING |
+               V4L2_MBUS_PCLK_SAMPLE_FALLING | V4L2_MBUS_HSYNC_ACTIVE_HIGH |
+               V4L2_MBUS_VSYNC_ACTIVE_HIGH | V4L2_MBUS_DATA_ACTIVE_HIGH;
+       cfg->type = V4L2_MBUS_PARALLEL;
+       cfg->flags = soc_camera_apply_board_flags(icl, cfg);
+
+       return 0;
+}
+
+static int mt9t031_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);
+
+       if (soc_camera_apply_board_flags(icl, cfg) &
+           V4L2_MBUS_PCLK_SAMPLE_FALLING)
+               return reg_clear(client, MT9T031_PIXEL_CLOCK_CONTROL, 0x8000);
+       else
+               return reg_set(client, MT9T031_PIXEL_CLOCK_CONTROL, 0x8000);
+}
+
 static struct v4l2_subdev_video_ops mt9t031_subdev_video_ops = {
        .s_stream       = mt9t031_s_stream,
        .s_mbus_fmt     = mt9t031_s_fmt,
@@ -816,6 +847,8 @@ static struct v4l2_subdev_video_ops mt9t031_subdev_video_ops = {
        .g_crop         = mt9t031_g_crop,
        .cropcap        = mt9t031_cropcap,
        .enum_mbus_fmt  = mt9t031_enum_fmt,
+       .g_mbus_config  = mt9t031_g_mbus_config,
+       .s_mbus_config  = mt9t031_s_mbus_config,
 };
 
 static struct v4l2_subdev_sensor_ops mt9t031_subdev_sensor_ops = {