[media] media: atmel-isi: add v4l2 async probe support

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

2 files changed, 9 insertions, 0 deletions

diff --git a/drivers/media/platform/soc_camera/atmel-isi.c b/drivers/media/platform/soc_camera/atmel-isi.c
index 38c723aca438..c0d46128cad9 100644
--- a/drivers/media/platform/soc_camera/atmel-isi.c
+++ b/drivers/media/platform/soc_camera/atmel-isi.c
@@ -980,6 +980,11 @@ static int atmel_isi_probe(struct platform_device *pdev)
         soc_host->v4l2_dev.dev  = &pdev->dev;
         soc_host->nr            = pdev->id;
 
+        if (isi->pdata.asd_sizes) {
+                soc_host->asd = isi->pdata.asd;
+                soc_host->asd_sizes = isi->pdata.asd_sizes;
+        }
+
         ret = soc_camera_host_register(soc_host);
         if (ret) {
                 dev_err(&pdev->dev, "Unable to register soc camera host\n");
diff --git a/include/media/atmel-isi.h b/include/media/atmel-isi.h
index 2b023471ac89..c2e570336269 100644
--- a/include/media/atmel-isi.h
+++ b/include/media/atmel-isi.h
@@ -106,6 +106,8 @@
 #define ISI_DATAWIDTH_8                         0x01
 #define ISI_DATAWIDTH_10                        0x02
 
+struct v4l2_async_subdev;
+
 struct isi_platform_data {
         u8 has_emb_sync;
         u8 emb_crc_sync;
@@ -118,6 +120,8 @@ struct isi_platform_data {
         u32 frate;
         /* Using for ISI_MCK */
         u32 mck_hz;
+        struct v4l2_async_subdev **asd; /* Flat array, arranged in groups */
+        int *asd_sizes;         /* 0-terminated array of asd group sizes */
 };
 
 #endif /* __ATMEL_ISI_H__ */