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ASoC: Mediatek: add memory interface data align 

This supports two data align settings. One is S32_LE and
other is S24_LE.

Signed-off-by: Shunli Wang <shunli.wang@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Shunli Wang 2019-05-16 17:54:37 +08:00 committed by Mark Brown
parent eb1ecadb7f
commit 1628fc3f47
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GPG Key ID: 24D68B725D5487D0
2 changed files with 9 additions and 0 deletions
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7
sound/soc/mediatek/common/mtk-afe-fe-dai.c
View File

@ -241,6 +241,7 @@ int mtk_afe_fe_prepare(struct snd_pcm_substream *substream,
struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);
struct mtk_base_afe_memif *memif = &afe->memif[rtd->cpu_dai->id];
int hd_audio = 0;
int hd_align = 1;
/* set hd mode */
switch (substream->runtime->format) {
@ -249,9 +250,11 @@ int mtk_afe_fe_prepare(struct snd_pcm_substream *substream,
break;
case SNDRV_PCM_FORMAT_S32_LE:
hd_audio = 1;
hd_align = 1;
break;
case SNDRV_PCM_FORMAT_S24_LE:
hd_audio = 1;
hd_align = 0;
break;
default:
dev_err(afe->dev, "%s() error: unsupported format %d\n",
@ -262,6 +265,10 @@ int mtk_afe_fe_prepare(struct snd_pcm_substream *substream,
mtk_regmap_update_bits(afe->regmap, memif->data->hd_reg,
1, hd_audio, memif->data->hd_shift);
mtk_regmap_update_bits(afe->regmap, memif->data->hd_align_reg,
memif->data->hd_align_mshift,
hd_align ? memif->data->hd_align_mshift : 0);
return 0;
}
EXPORT_SYMBOL_GPL(mtk_afe_fe_prepare);

2
sound/soc/mediatek/common/mtk-base-afe.h
View File

@ -24,7 +24,9 @@ struct mtk_base_memif_data {
int enable_reg;
int enable_shift;
int hd_reg;
int hd_align_reg;
int hd_shift;
int hd_align_mshift;
int msb_reg;
int msb_shift;
int agent_disable_reg;