Re: [Sound-open-firmware] [PATCH] dw-dma: Fix channel status for CNL

On Tue, 2018-03-20 at 15:02 +0800, Xiuli Pan wrote:

From: Pan Xiuli xiuli.pan@linux.intel.com

At the end of the DMA, we need to set the channel status into parapre, otherwise next dma start will fail. This will fix CNL pause resume issues.

Signed-off-by: Pan Xiuli xiuli.pan@linux.intel.com

---

Test with: Mininow max rt5651 and GP-MRB nocodec and CNL nocodec SOF 1.1-stable: a3fab58d59dc9fc66ee8e5474d479a22e7f180bd SOF-Tool 1.1-stable: cc91c73aa3e91eea35abdeb76d578b97f718feff https://github.com/plbossart/sound/tree/topic/sof-v4.14: 4881a4bd906f8b52bebd209b88ff920005550d53

---

src/drivers/dw-dma.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/src/drivers/dw-dma.c b/src/drivers/dw-dma.c index a5717f3..768f204 100644 --- a/src/drivers/dw-dma.c +++ b/src/drivers/dw-dma.c @@ -1101,6 +1101,7 @@ static void dw_dma_irq_handler(void *data) trace_dma("LSo"); /* disable channel, finished */ dw_write(dma, DW_DMA_CHAN_EN, CHAN_DISABLE(i));

• 		p->chan[i].status = COMP_STATE_PREPARE;
  }
  

  }

#endif

Applied.

Thanks

Liam