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 <ag...@denx.de>
---
drivers/media/video/fsl-viu.c | 5 +++++
1 files changed, 5 insertions(+), 0 deletions(-)
diff --git a/drivers/media/video/fsl-viu.c b/drivers/media/video/fsl-viu.c
index c9eb161..483a5ed 100644
--- a/drivers/media/video/fsl-viu.c
+++ b/drivers/media/video/fsl-viu.c
@@ -917,6 +917,8 @@ static int vidioc_streamon(struct file *file, void *priv,
enum v4l2_buf_type i)
if (fh->type != i)
return -EINVAL;
+ viu_start_dma(fh->dev);
+
return videobuf_streamon(&fh->vb_vidq);
}
@@ -929,6 +931,8 @@ static int vidioc_streamoff(struct file *file, void *priv,
enum v4l2_buf_type i)
if (fh->type != i)
return -EINVAL;
+ viu_stop_dma(fh->dev);
+
return videobuf_streamoff(&fh->vb_vidq);
}
@@ -1350,6 +1354,7 @@ static int viu_release(struct file *file)
viu_stop_dma(dev);
videobuf_stop(&fh->vb_vidq);
+ videobuf_mmap_free(&fh->vb_vidq);
kfree(fh);
--
1.7.1
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