If the client (audio) does not request interrupts for every period we can
disable them.
With updated audio driver stack we can play audio w/o the need to process
any edma interrupts.
Signed-off-by: Peter Ujfalusi <peter.ujfal...@ti.com>
---
drivers/dma/edma.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index d5017abcf7cb..69f1f5250120 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -723,10 +723,10 @@ static struct dma_async_tx_descriptor
*edma_prep_dma_cyclic(
edesc->absync = ret;
/*
- * Enable interrupts for every period because callback
- * has to be called for every period.
+ * Enable period interrupt only if it is requested
*/
- edesc->pset[i].param.opt |= TCINTEN;
+ if (tx_flags & DMA_PREP_INTERRUPT)
+ edesc->pset[i].param.opt |= TCINTEN;
}
/* Place the cyclic channel to highest priority queue */
--
2.0.0
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