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ASoC: amd: removed separate byte count variables for playback and capture

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Removed separate byte count variables for playback and capture.

Signed-off-by: Vijendar Mukunda <Vijendar.Mukunda@amd.com>
Reviewed-by: Daniel Kurtz <djkurtz@chromium.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Vijendar Mukunda 2018-05-08 10:17:46 +05:30 committed by Mark Brown
parent 7f00484784
commit 9af8937e55
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GPG Key ID: 24D68B725D5487D0
2 changed files with 6 additions and 16 deletions
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19
sound/soc/amd/acp-pcm-dma.c
View File

@ -866,13 +866,8 @@ static snd_pcm_uframes_t acp_dma_pointer(struct snd_pcm_substream *substream)
buffersize = frames_to_bytes(runtime, runtime->buffer_size);
bytescount = acp_get_byte_count(rtd);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
if (bytescount > rtd->i2ssp_renderbytescount)
bytescount = bytescount - rtd->i2ssp_renderbytescount;
} else {
if (bytescount > rtd->i2ssp_capturebytescount)
bytescount = bytescount - rtd->i2ssp_capturebytescount;
}
if (bytescount > rtd->bytescount)
bytescount -= rtd->bytescount;
pos = do_div(bytescount, buffersize);
return bytes_to_frames(runtime, pos);
}
@ -921,9 +916,9 @@ static int acp_dma_trigger(struct snd_pcm_substream *substream, int cmd)
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
case SNDRV_PCM_TRIGGER_RESUME:
bytescount = acp_get_byte_count(rtd);
if (rtd->bytescount == 0)
rtd->bytescount = bytescount;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
if (rtd->i2ssp_renderbytescount == 0)
rtd->i2ssp_renderbytescount = bytescount;
acp_dma_start(rtd->acp_mmio, rtd->ch1, false);
while (acp_reg_read(rtd->acp_mmio, mmACP_DMA_CH_STS) &
BIT(rtd->ch1)) {
@ -934,9 +929,6 @@ static int acp_dma_trigger(struct snd_pcm_substream *substream, int cmd)
}
cpu_relax();
}
} else {
if (rtd->i2ssp_capturebytescount == 0)
rtd->i2ssp_capturebytescount = bytescount;
}
acp_dma_start(rtd->acp_mmio, rtd->ch2, true);
ret = 0;
@ -955,12 +947,11 @@ static int acp_dma_trigger(struct snd_pcm_substream *substream, int cmd)
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
acp_dma_stop(rtd->acp_mmio, rtd->ch1);
ret = acp_dma_stop(rtd->acp_mmio, rtd->ch2);
rtd->i2ssp_renderbytescount = 0;
} else {
acp_dma_stop(rtd->acp_mmio, rtd->ch2);
ret = acp_dma_stop(rtd->acp_mmio, rtd->ch1);
rtd->i2ssp_capturebytescount = 0;
}
rtd->bytescount = 0;
break;
default:
ret = -EINVAL;

3
sound/soc/amd/acp.h
View File

@ -93,8 +93,7 @@ struct audio_substream_data {
u32 byte_cnt_high_reg_offset;
u32 byte_cnt_low_reg_offset;
uint64_t size;
u64 i2ssp_renderbytescount;
u64 i2ssp_capturebytescount;
u64 bytescount;
void __iomem *acp_mmio;
};