[media] V4L2: mx3_camera: add support for asynchronous subdevice registration

The soc-camera core does all the work on supporting asynchronous
subdevice probing, host drivers only have to pass a subdevice list to
soc-camera. Typically this list is provided by the platform.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/platform_data/camera-mx3.h b/include/linux/platform_data/camera-mx3.h
index f226ee3777e1..a910dadc8258 100644
--- a/include/linux/platform_data/camera-mx3.h
+++ b/include/linux/platform_data/camera-mx3.h
@@ -33,6 +33,8 @@
 #define MX3_CAMERA_DATAWIDTH_MASK (MX3_CAMERA_DATAWIDTH_4 | MX3_CAMERA_DATAWIDTH_8 | \
                                    MX3_CAMERA_DATAWIDTH_10 | MX3_CAMERA_DATAWIDTH_15)
 
+struct v4l2_async_subdev;
+
 /**
  * struct mx3_camera_pdata - i.MX3x camera platform data
  * @flags:      MX3_CAMERA_* flags
@@ -43,6 +45,8 @@ struct mx3_camera_pdata {
         unsigned long flags;
         unsigned long mclk_10khz;
         struct device *dma_dev;
+        struct v4l2_async_subdev **asd; /* Flat array, arranged in groups */
+        int *asd_sizes;                 /* 0-terminated array of asd group sizes */
 };
 
 #endif