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

[Xiuli Pan]

From: Pan Xiuli <xiuli.pan at 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 APL pause resume issues.

Signed-off-by: Pan Xiuli <xiuli.pan at linux.intel.com>

--
Test with:
Mininow max rt5651 and GP-MRB nocodec
SOF master: 728f1ff3e32e14e19847ba513f8b0e3af80762c0
SOF-Tool master: 5b5bbe31e6d914079707bfa6c129c2730ea7aeff
https://github.com/plbossart/sound/tree/topic/sof-v4.14:
fe5e29155127a717ba5ae454b4bdde99afa67723
---
 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 f6f776a..ff0f74a 100644
--- a/src/drivers/dw-dma.c
+++ b/src/drivers/dw-dma.c
@@ -953,6 +953,7 @@ 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
-- 
2.7.4