[media] media: fsl-viu: fix support for streaming with mmap method
Streaming using mmap didn't work in the VIU driver. We need to
start/stop DMA in streamon/streamoff and free the buffers on
release. Add appropriate driver extension now.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/fsl-viu.c b/drivers/media/video/fsl-viu.c
index b8faff2..693e9c0 100644
--- a/drivers/media/video/fsl-viu.c
+++ b/drivers/media/video/fsl-viu.c
@@ -915,6 +915,8 @@
if (fh->type != i)
return -EINVAL;
+ viu_start_dma(fh->dev);
+
return videobuf_streamon(&fh->vb_vidq);
}
@@ -927,6 +929,8 @@
if (fh->type != i)
return -EINVAL;
+ viu_stop_dma(fh->dev);
+
return videobuf_streamoff(&fh->vb_vidq);
}
@@ -1331,6 +1335,7 @@
viu_stop_dma(dev);
videobuf_stop(&fh->vb_vidq);
+ videobuf_mmap_free(&fh->vb_vidq);
kfree(fh);