diff options
author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2021-11-16 10:45:23 +0300 |
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committer | Mark Brown <broonie@kernel.org> | 2021-11-29 15:19:42 +0300 |
commit | feea640aaf1a5ae9dff6e33931e680542432e8dd (patch) | |
tree | 4ef493f91edf18dc7aed43d09d65c5c1125fbd31 /sound/soc/amd/acp-pcm-dma.c | |
parent | 403f830e7a0be5a9e33c7a9d208574f79887ec57 (diff) | |
download | linux-feea640aaf1a5ae9dff6e33931e680542432e8dd.tar.xz |
ASoC: amd: acp-pcm-dma: add .delay support
Now ALSA SoC supports .delay for component.
This patch uses it, and not update runtime->delay on .pointer
directly / secretly.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/8735nwy25o.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/amd/acp-pcm-dma.c')
-rw-r--r-- | sound/soc/amd/acp-pcm-dma.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/sound/soc/amd/acp-pcm-dma.c b/sound/soc/amd/acp-pcm-dma.c index 1f322accd9ea..8fa2e2fde4f1 100644 --- a/sound/soc/amd/acp-pcm-dma.c +++ b/sound/soc/amd/acp-pcm-dma.c @@ -1003,6 +1003,7 @@ static snd_pcm_uframes_t acp_dma_pointer(struct snd_soc_component *component, struct snd_pcm_runtime *runtime = substream->runtime; struct audio_substream_data *rtd = runtime->private_data; + struct audio_drv_data *adata = dev_get_drvdata(component->dev); if (!rtd) return -EINVAL; @@ -1023,7 +1024,7 @@ static snd_pcm_uframes_t acp_dma_pointer(struct snd_soc_component *component, } if (bytescount > 0) { delay = do_div(bytescount, period_bytes); - runtime->delay = bytes_to_frames(runtime, delay); + adata->delay += bytes_to_frames(runtime, delay); } } else { buffersize = frames_to_bytes(runtime, runtime->buffer_size); @@ -1035,6 +1036,17 @@ static snd_pcm_uframes_t acp_dma_pointer(struct snd_soc_component *component, return bytes_to_frames(runtime, pos); } +static snd_pcm_sframes_t acp_dma_delay(struct snd_soc_component *component, + struct snd_pcm_substream *substream) +{ + struct audio_drv_data *adata = dev_get_drvdata(component->dev); + snd_pcm_sframes_t delay = adata->delay; + + adata->delay = 0; + + return delay; +} + static int acp_dma_prepare(struct snd_soc_component *component, struct snd_pcm_substream *substream) { @@ -1198,6 +1210,7 @@ static const struct snd_soc_component_driver acp_asoc_platform = { .hw_params = acp_dma_hw_params, .trigger = acp_dma_trigger, .pointer = acp_dma_pointer, + .delay = acp_dma_delay, .prepare = acp_dma_prepare, .pcm_construct = acp_dma_new, }; |