[media] V4L: ov9740: 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>

1 files changed, 26 insertions, 7 deletions

diff --git a/drivers/media/video/ov9740.c b/drivers/media/video/ov9740.c
index edd1ffcca30b..67b7020c933e 100644
--- a/drivers/media/video/ov9740.c
+++ b/drivers/media/video/ov9740.c
@@ -14,8 +14,10 @@
 #include <linux/module.h>
 #include <linux/i2c.h>
 #include <linux/slab.h>
-#include <media/v4l2-chip-ident.h>
+
 #include <media/soc_camera.h>
+#include <media/soc_mediabus.h>
+#include <media/v4l2-chip-ident.h>
 
 #define to_ov9740(sd)           container_of(sd, struct ov9740_priv, subdev)
 
@@ -949,13 +951,30 @@ static struct soc_camera_ops ov9740_ops = {
         .num_controls           = ARRAY_SIZE(ov9740_controls),
 };
 
+static int ov9740_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 ov9740_video_ops = {
-        .s_stream               = ov9740_s_stream,
-        .s_mbus_fmt             = ov9740_s_fmt,
-        .try_mbus_fmt           = ov9740_try_fmt,
-        .enum_mbus_fmt          = ov9740_enum_fmt,
-        .cropcap                = ov9740_cropcap,
-        .g_crop                 = ov9740_g_crop,
+        .s_stream       = ov9740_s_stream,
+        .s_mbus_fmt     = ov9740_s_fmt,
+        .try_mbus_fmt   = ov9740_try_fmt,
+        .enum_mbus_fmt  = ov9740_enum_fmt,
+        .cropcap        = ov9740_cropcap,
+        .g_crop         = ov9740_g_crop,
+        .g_mbus_config  = ov9740_g_mbus_config,
 };
 
 static struct v4l2_subdev_core_ops ov9740_core_ops = {