From a461e0ad3d27b6342140566909a80db30d151a91 Mon Sep 17 00:00:00 2001 From: Steven Toth Date: Mon, 10 Oct 2011 11:09:56 -0300 Subject: [PATCH] [media] cx23885: Stop the risc video fifo before reconfiguring it Safety reasons. We shouldn't be trying to reconfigure a risc processor instruction queue unless it's stopped. Signed-off-by: Steven Toth Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/cx23885/cx23885-video.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/media/video/cx23885/cx23885-video.c b/drivers/media/video/cx23885/cx23885-video.c index c91be47c91ae..e730b9263016 100644 --- a/drivers/media/video/cx23885/cx23885-video.c +++ b/drivers/media/video/cx23885/cx23885-video.c @@ -549,6 +549,9 @@ static int cx23885_start_video_dma(struct cx23885_dev *dev, { dprintk(1, "%s()\n", __func__); + /* Stop the dma/fifo before we tamper with it's risc programs */ + cx_clear(VID_A_DMA_CTL, 0x11); + /* setup fifo + format */ cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01], buf->bpl, buf->risc.dma);