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authorDaniel Kurtz <djkurtz@chromium.org>2018-07-03 00:19:55 +0300
committerMark Brown <broonie@kernel.org>2018-07-03 18:15:32 +0300
commitdf61f9f76609456efbc60d495b3235baf7d07691 (patch)
treedec4720c54ac5b3a2470d6656a7f3863f57063a3 /sound/soc
parent1a337a1e7885085d224583c766614e5945bde671 (diff)
downloadlinux-df61f9f76609456efbc60d495b3235baf7d07691.tar.xz
ASoC: AMD: Simplify trigger handler
Now that the I2S channel names are fixed, and DMA data flow order is consistent (ch1 then ch2), we can simplify channel start order: start the upstream channel and then the downstream channel for both playback and capture cases. Signed-off-by: Daniel Kurtz <djkurtz@chromium.org> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc')
-rw-r--r--sound/soc/amd/acp-pcm-dma.c9
1 files changed, 3 insertions, 6 deletions
diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c
index ab60129f4f26..65c1033bd51c 100644
--- a/sound/soc/amd/acp-pcm-dma.c
+++ b/sound/soc/amd/acp-pcm-dma.c
@@ -1024,10 +1024,7 @@ static int acp_dma_trigger(struct snd_pcm_substream *substream, int cmd)
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
rtd->bytescount = acp_get_byte_count(rtd);
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- acp_dma_start(rtd->acp_mmio, rtd->ch1);
- acp_dma_start(rtd->acp_mmio, rtd->ch2);
- } else {
+ if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
if (rtd->capture_channel == CAP_CHANNEL0) {
acp_dma_cap_channel_disable(rtd->acp_mmio,
CAP_CHANNEL1);
@@ -1040,9 +1037,9 @@ static int acp_dma_trigger(struct snd_pcm_substream *substream, int cmd)
acp_dma_cap_channel_enable(rtd->acp_mmio,
CAP_CHANNEL1);
}
- acp_dma_start(rtd->acp_mmio, rtd->ch2);
- acp_dma_start(rtd->acp_mmio, rtd->ch1);
}
+ acp_dma_start(rtd->acp_mmio, rtd->ch1);
+ acp_dma_start(rtd->acp_mmio, rtd->ch2);
ret = 0;
break;
case SNDRV_PCM_TRIGGER_STOP: