[media] sh_mobile_ceu_camera: add asynchronous subdevice probing support

Use the v4l2-async API to support asynchronous subdevice probing,
including the CSI2 subdevice. Synchronous probing is still supported too.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 3 insertions, 1 deletions

diff --git a/include/media/sh_mobile_ceu.h b/include/media/sh_mobile_ceu.h
index 6fdb6adf6b2b..8937241e5f37 100644
--- a/include/media/sh_mobile_ceu.h
+++ b/include/media/sh_mobile_ceu.h
@@ -22,6 +22,8 @@ struct sh_mobile_ceu_info {
         int max_width;
         int max_height;
         struct sh_mobile_ceu_companion *csi2;
+        struct v4l2_async_subdev **asd; /* Flat array, arranged in groups */
+        int *asd_sizes;                 /* 0-terminated array pf asd group sizes */
 };
 
 #endif /* __ASM_SH_MOBILE_CEU_H__ */
diff --git a/include/media/sh_mobile_csi2.h b/include/media/sh_mobile_csi2.h
index c586c4f7f16b..14030db51f13 100644
--- a/include/media/sh_mobile_csi2.h
+++ b/include/media/sh_mobile_csi2.h
@@ -33,6 +33,7 @@ struct sh_csi2_client_config {
         unsigned char lanes;            /* bitmask[3:0] */
         unsigned char channel;          /* 0..3 */
         struct platform_device *pdev;   /* client platform device */
+        const char *name;               /* async matching: client name */
 };
 
 struct v4l2_device;
@@ -42,7 +43,6 @@ struct sh_csi2_pdata {
         unsigned int flags;
         struct sh_csi2_client_config *clients;
         int num_clients;
-        struct v4l2_device *v4l2_dev;
 };
 
 #endif