diff options
| -rw-r--r-- | sound/soc/mediatek/mt8192/mt8192-afe-common.h | 3 | ||||
| -rw-r--r-- | sound/soc/mediatek/mt8192/mt8192-dai-i2s.c | 26 |
2 files changed, 29 insertions, 0 deletions
diff --git a/sound/soc/mediatek/mt8192/mt8192-afe-common.h b/sound/soc/mediatek/mt8192/mt8192-afe-common.h index d55eff46cc7f..ad461dcb6ee1 100644 --- a/sound/soc/mediatek/mt8192/mt8192-afe-common.h +++ b/sound/soc/mediatek/mt8192/mt8192-afe-common.h @@ -159,6 +159,9 @@ int mt8192_dai_src_register(struct mtk_base_afe *afe); int mt8192_dai_pcm_register(struct mtk_base_afe *afe); int mt8192_dai_tdm_register(struct mtk_base_afe *afe); +int mt8192_dai_i2s_set_share(struct mtk_base_afe *afe, const char *main_i2s_name, + const char *secondary_i2s_name); + unsigned int mt8192_general_rate_transform(struct device *dev, unsigned int rate); unsigned int mt8192_rate_transform(struct device *dev, diff --git a/sound/soc/mediatek/mt8192/mt8192-dai-i2s.c b/sound/soc/mediatek/mt8192/mt8192-dai-i2s.c index 5b29340f9516..630ed7261fc3 100644 --- a/sound/soc/mediatek/mt8192/mt8192-dai-i2s.c +++ b/sound/soc/mediatek/mt8192/mt8192-dai-i2s.c @@ -2057,6 +2057,32 @@ static int mt8192_dai_i2s_get_share(struct mtk_base_afe *afe) return 0; } +/** + * mt8192_dai_i2s_set_share() - Set up I2S ports to share a single clock. + * @afe: Pointer to &struct mtk_base_afe + * @main_i2s_name: The name of the I2S port that will provide the clock + * @secondary_i2s_name: The name of the I2S port that will use this clock + */ +int mt8192_dai_i2s_set_share(struct mtk_base_afe *afe, const char *main_i2s_name, + const char *secondary_i2s_name) +{ + struct mtk_afe_i2s_priv *secondary_i2s_priv; + int main_i2s_id; + + secondary_i2s_priv = get_i2s_priv_by_name(afe, secondary_i2s_name); + if (!secondary_i2s_priv) + return -EINVAL; + + main_i2s_id = get_i2s_id_by_name(afe, main_i2s_name); + if (main_i2s_id < 0) + return main_i2s_id; + + secondary_i2s_priv->share_i2s_id = main_i2s_id; + + return 0; +} +EXPORT_SYMBOL_GPL(mt8192_dai_i2s_set_share); + static int mt8192_dai_i2s_set_priv(struct mtk_base_afe *afe) { int i; |