[media] V4L: ov2640: 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/ov2640.c b/drivers/media/video/ov2640.c
index 9ce2fa0..78bf602 100644 (file)
--- a/drivers/media/video/ov2640.c
+++ b/drivers/media/video/ov2640.c
@@ -19,10 +19,11 @@
 #include <linux/slab.h>
 #include <linux/delay.h>
 #include <linux/videodev2.h>
-#include <media/v4l2-chip-ident.h>
-#include <media/v4l2-subdev.h>
+
 #include <media/soc_camera.h>
 #include <media/soc_mediabus.h>
+#include <media/v4l2-chip-ident.h>
+#include <media/v4l2-subdev.h>
 
 #define VAL_SET(x, mask, rshift, lshift)  \
                ((((x) >> rshift) & mask) << lshift)
@@ -1083,6 +1084,22 @@ static struct v4l2_subdev_core_ops ov2640_subdev_core_ops = {
 #endif
 };
 
+static int ov2640_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_HSYNC_ACTIVE_HIGH |
+               V4L2_MBUS_DATA_ACTIVE_HIGH;
+       cfg->type = V4L2_MBUS_PARALLEL;
+       cfg->flags = soc_camera_apply_board_flags(icl, cfg);
+
+       return 0;
+}
+
 static struct v4l2_subdev_video_ops ov2640_subdev_video_ops = {
        .s_stream       = ov2640_s_stream,
        .g_mbus_fmt     = ov2640_g_fmt,
@@ -1091,6 +1108,7 @@ static struct v4l2_subdev_video_ops ov2640_subdev_video_ops = {
        .cropcap        = ov2640_cropcap,
        .g_crop         = ov2640_g_crop,
        .enum_mbus_fmt  = ov2640_enum_fmt,
+       .g_mbus_config  = ov2640_g_mbus_config,
 };
 
 static struct v4l2_subdev_ops ov2640_subdev_ops = {