aboutsummaryrefslogtreecommitdiffstats
path: root/sound/soc/atmel/atmel_ssc_dai.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/atmel/atmel_ssc_dai.c')
-rw-r--r--sound/soc/atmel/atmel_ssc_dai.c30
1 files changed, 29 insertions, 1 deletions
diff --git a/sound/soc/atmel/atmel_ssc_dai.c b/sound/soc/atmel/atmel_ssc_dai.c
index 8697cedccd21..1ead3c977a51 100644
--- a/sound/soc/atmel/atmel_ssc_dai.c
+++ b/sound/soc/atmel/atmel_ssc_dai.c
@@ -648,7 +648,7 @@ static int atmel_ssc_prepare(struct snd_pcm_substream *substream,
648 648
649 dma_params = ssc_p->dma_params[dir]; 649 dma_params = ssc_p->dma_params[dir];
650 650
651 ssc_writel(ssc_p->ssc->regs, CR, dma_params->mask->ssc_enable); 651 ssc_writel(ssc_p->ssc->regs, CR, dma_params->mask->ssc_disable);
652 ssc_writel(ssc_p->ssc->regs, IDR, dma_params->mask->ssc_error); 652 ssc_writel(ssc_p->ssc->regs, IDR, dma_params->mask->ssc_error);
653 653
654 pr_debug("%s enabled SSC_SR=0x%08x\n", 654 pr_debug("%s enabled SSC_SR=0x%08x\n",
@@ -657,6 +657,33 @@ static int atmel_ssc_prepare(struct snd_pcm_substream *substream,
657 return 0; 657 return 0;
658} 658}
659 659
660static int atmel_ssc_trigger(struct snd_pcm_substream *substream,
661 int cmd, struct snd_soc_dai *dai)
662{
663 struct atmel_ssc_info *ssc_p = &ssc_info[dai->id];
664 struct atmel_pcm_dma_params *dma_params;
665 int dir;
666
667 if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
668 dir = 0;
669 else
670 dir = 1;
671
672 dma_params = ssc_p->dma_params[dir];
673
674 switch (cmd) {
675 case SNDRV_PCM_TRIGGER_START:
676 case SNDRV_PCM_TRIGGER_RESUME:
677 case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
678 ssc_writel(ssc_p->ssc->regs, CR, dma_params->mask->ssc_enable);
679 break;
680 default:
681 ssc_writel(ssc_p->ssc->regs, CR, dma_params->mask->ssc_disable);
682 break;
683 }
684
685 return 0;
686}
660 687
661#ifdef CONFIG_PM 688#ifdef CONFIG_PM
662static int atmel_ssc_suspend(struct snd_soc_dai *cpu_dai) 689static int atmel_ssc_suspend(struct snd_soc_dai *cpu_dai)
@@ -731,6 +758,7 @@ static const struct snd_soc_dai_ops atmel_ssc_dai_ops = {
731 .startup = atmel_ssc_startup, 758 .startup = atmel_ssc_startup,
732 .shutdown = atmel_ssc_shutdown, 759 .shutdown = atmel_ssc_shutdown,
733 .prepare = atmel_ssc_prepare, 760 .prepare = atmel_ssc_prepare,
761 .trigger = atmel_ssc_trigger,
734 .hw_params = atmel_ssc_hw_params, 762 .hw_params = atmel_ssc_hw_params,
735 .set_fmt = atmel_ssc_set_dai_fmt, 763 .set_fmt = atmel_ssc_set_dai_fmt,
736 .set_clkdiv = atmel_ssc_set_dai_clkdiv, 764 .set_clkdiv = atmel_ssc_set_dai_clkdiv,