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Commit c3353330 authored by Anatolij Gustschin's avatar Anatolij Gustschin Committed by Mauro Carvalho Chehab
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[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: default avatarAnatolij Gustschin <agust@denx.de>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 2a72b39e

drivers/media/video/fsl-viu.c

+5 −0
Original line number Diff line number Diff line
@@ -915,6 +915,8 @@ 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);

}
@@ -927,6 +929,8 @@ 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);

}
@@ -1331,6 +1335,7 @@ static int viu_release(struct file *file) 


	viu_stop_dma(dev);

	videobuf_stop(&fh->vb_vidq);

	videobuf_mmap_free(&fh->vb_vidq);



	kfree(fh);