From: Anatolij Gustschin Date: Fri, 17 Dec 2010 09:40:50 +0000 (-0300) Subject: [media] media: fsl-viu: fix support for streaming with mmap method X-Git-Tag: MMI-PSA29.97-13-9~21440^2~107 X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=c3353330508aee4390442df2d7f6ce0ef5006185;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git [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 Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/media/video/fsl-viu.c b/drivers/media/video/fsl-viu.c index b8faff2dd711..693e9c07e3f4 100644 --- a/drivers/media/video/fsl-viu.c +++ b/drivers/media/video/fsl-viu.c @@ -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);