[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>hifive-unleashed-5.1
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19696f09da
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a461e0ad3d
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@ -549,6 +549,9 @@ static int cx23885_start_video_dma(struct cx23885_dev *dev,
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{
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{
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dprintk(1, "%s()\n", __func__);
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dprintk(1, "%s()\n", __func__);
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/* Stop the dma/fifo before we tamper with it's risc programs */
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cx_clear(VID_A_DMA_CTL, 0x11);
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/* setup fifo + format */
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/* setup fifo + format */
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cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
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cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
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buf->bpl, buf->risc.dma);
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buf->bpl, buf->risc.dma);
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