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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>
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Daniel Kurtz 2018-07-02 15:19:55 -06:00 committed by Mark Brown
parent 1a337a1e78
commit df61f9f766
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GPG Key ID: 24D68B725D5487D0
1 changed files with 3 additions and 6 deletions
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9
sound/soc/amd/acp-pcm-dma.c
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@ -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: