1 files changed, 15 insertions, 2 deletions

diff --git a/sound/soc/davinci/davinci-mcasp.c b/sound/soc/davinci/davinci-mcasp.c
index 9454d123f4bb..196158f2d1c4 100644
--- a/sound/soc/davinci/davinci-mcasp.c
+++ b/sound/soc/davinci/davinci-mcasp.c
@@ -529,8 +529,19 @@ static int mcasp_common_hw_param(struct davinci_mcasp *mcasp, int stream,
         /* AFIFO is not in use */
         if (!numevt) {
                 /* Configure the burst size for platform drivers */
-                dma_params->fifo_level = 0;
-                dma_data->maxburst = 0;
+                if (active_serializers > 1) {
+                        /*
+                         * If more than one serializers are in use we have one
+                         * DMA request to provide data for all serializers.
+                         * For example if three serializers are enabled the DMA
+                         * need to transfer three words per DMA request.
+                         */
+                        dma_params->fifo_level = active_serializers;
+                        dma_data->maxburst = active_serializers;
+                } else {
+                        dma_params->fifo_level = 0;
+                        dma_data->maxburst = 0;
+                }
                 return 0;
         }
 
@@ -558,6 +569,8 @@ static int mcasp_common_hw_param(struct davinci_mcasp *mcasp, int stream,
         mcasp_mod_bits(mcasp, reg, NUMEVT(numevt), NUMEVT_MASK);
 
         /* Configure the burst size for platform drivers */
+        if (numevt == 1)
+                numevt = 0;
         dma_params->fifo_level = numevt;
         dma_data->maxburst = numevt;