ASoC: dmaengine_pcm: Setup device_fc in snd_hwparams_to_dma_slave_config

Usually device_fc should be set to false for audio DMAs. Initialize it in a
common place so drivers don't have to do this manually.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Tested-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

3 files changed, 2 insertions, 4 deletions

diff --git a/sound/soc/atmel/atmel-pcm-dma.c b/sound/soc/atmel/atmel-pcm-dma.c
index b8570e3e1b57..bb07989762d5 100644
--- a/sound/soc/atmel/atmel-pcm-dma.c
+++ b/sound/soc/atmel/atmel-pcm-dma.c
@@ -129,8 +129,6 @@ static int atmel_pcm_configure_dma(struct snd_pcm_substream *substream,
                 slave_config.src_maxburst = 1;
         }
 
-        slave_config.device_fc = false;
-
         dma_chan = snd_dmaengine_pcm_get_chan(substream);
         if (dmaengine_slave_config(dma_chan, &slave_config)) {
                 pr_err("atmel-pcm: failed to configure dma channel\n");
diff --git a/sound/soc/fsl/imx-pcm-dma.c b/sound/soc/fsl/imx-pcm-dma.c
index 6832c498457a..64af57336dbb 100644
--- a/sound/soc/fsl/imx-pcm-dma.c
+++ b/sound/soc/fsl/imx-pcm-dma.c
@@ -57,8 +57,6 @@ static int snd_imx_pcm_hw_params(struct snd_pcm_substream *substream,
         if (ret)
                 return ret;
 
-        slave_config.device_fc = false;
-
         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
                 slave_config.dst_addr = dma_params->dma_addr;
                 slave_config.dst_maxburst = dma_params->burstsize;
diff --git a/sound/soc/soc-dmaengine-pcm.c b/sound/soc/soc-dmaengine-pcm.c
index e8b1215b8c1b..7c24dedff971 100644
--- a/sound/soc/soc-dmaengine-pcm.c
+++ b/sound/soc/soc-dmaengine-pcm.c
@@ -89,6 +89,8 @@ int snd_hwparams_to_dma_slave_config(const struct snd_pcm_substream *substream,
                 slave_config->src_addr_width = buswidth;
         }
 
+        slave_config->device_fc = false;
+
         return 0;
 }
 EXPORT_SYMBOL_GPL(snd_hwparams_to_dma_slave_config);