From: Daniel Kurtz Date: Mon, 2 Jul 2018 21:19:55 +0000 (-0600) Subject: ASoC: AMD: Simplify trigger handler X-Git-Tag: v4.19-rc5~22^2^2~203 X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=df61f9f76609456efbc60d495b3235baf7d07691;p=linux.git 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 Signed-off-by: Mark Brown --- 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: