ALSA: pcm_dmaengine: Add check during device suspend

[karo-tx-linux.git] / sound / core / pcm_dmaengine.c

diff --git a/sound/core/pcm_dmaengine.c b/sound/core/pcm_dmaengine.c
index 94d08733cb388cdda361e509701da59650714eeb..76cbb9ec953a0da66b403aa41687f2af93c0f690 100644 (file)
--- a/sound/core/pcm_dmaengine.c
+++ b/sound/core/pcm_dmaengine.c
@@ -182,6 +182,7 @@ static int dmaengine_pcm_prepare_and_submit(struct snd_pcm_substream *substream)
 int snd_dmaengine_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
 {
        struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);
+       struct snd_pcm_runtime *runtime = substream->runtime;
        int ret;
 
        switch (cmd) {
@@ -196,6 +197,11 @@ int snd_dmaengine_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
                dmaengine_resume(prtd->dma_chan);
                break;
        case SNDRV_PCM_TRIGGER_SUSPEND:
+               if (runtime->info & SNDRV_PCM_INFO_PAUSE)
+                       dmaengine_pause(prtd->dma_chan);
+               else
+                       dmaengine_terminate_all(prtd->dma_chan);
+               break;
        case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
                dmaengine_pause(prtd->dma_chan);
                break;