[PATCH v2 09/11] dma: mmp_pdma: implement DMA_PAUSE and DMA_RESUME

[Daniel Mack]

This is needed at least for audio operation.

Signed-off-by: Daniel Mack <zonque at gmail.com>
---
 drivers/dma/mmp_pdma.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c
index 579f79a..7a0956b 100644
--- a/drivers/dma/mmp_pdma.c
+++ b/drivers/dma/mmp_pdma.c
@@ -659,6 +659,12 @@ static int mmp_pdma_control(struct dma_chan *dchan, enum dma_ctrl_cmd cmd,
 		if (cfg->slave_id)
 			chan->drcmr = cfg->slave_id;
 		break;
+	case DMA_PAUSE:
+		disable_chan(chan->phy);
+		break;
+	case DMA_RESUME:
+		start_pending_queue(chan);
+		break;
 	default:
 		return -ENOSYS;
 	}
-- 
1.8.3.1