Commit a461e0ad authored Oct 10, 2011 by Steven Toth Committed by Mauro Carvalho Chehab Oct 14, 2011

[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 <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

parent 19696f09

drivers/media/video/cx23885/cx23885-video.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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);