From b45e68df065a9babc43b4b7cd223c412d34b6658 Mon Sep 17 00:00:00 2001 From: Koro Chen Date: Tue, 10 Nov 2015 15:26:12 +0800 Subject: [PATCH] ASoC: mediatek: Move 22M/24M clock control into I2S ops 22M/24M clocks are only required for I2S, so move the control to I2S DAI ops. Signed-off-by: Koro Chen Signed-off-by: Mark Brown --- sound/soc/mediatek/mtk-afe-pcm.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/sound/soc/mediatek/mtk-afe-pcm.c b/sound/soc/mediatek/mtk-afe-pcm.c index f5baf3c..7f71343 100644 --- a/sound/soc/mediatek/mtk-afe-pcm.c +++ b/sound/soc/mediatek/mtk-afe-pcm.c @@ -299,8 +299,6 @@ static int mtk_afe_dais_enable_clks(struct mtk_afe *afe, dev_err(afe->dev, "Failed to enable m_ck\n"); return ret; } - regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, - AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M, 0); } if (b_ck) { @@ -340,12 +338,8 @@ static int mtk_afe_dais_set_clks(struct mtk_afe *afe, static void mtk_afe_dais_disable_clks(struct mtk_afe *afe, struct clk *m_ck, struct clk *b_ck) { - if (m_ck) { - regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, - AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M, - AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M); + if (m_ck) clk_disable_unprepare(m_ck); - } if (b_ck) clk_disable_unprepare(b_ck); } @@ -360,6 +354,8 @@ static int mtk_afe_i2s_startup(struct snd_pcm_substream *substream, return 0; mtk_afe_dais_enable_clks(afe, afe->clocks[MTK_CLK_I2S1_M], NULL); + regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, + AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M, 0); return 0; } @@ -373,6 +369,9 @@ static void mtk_afe_i2s_shutdown(struct snd_pcm_substream *substream, return; mtk_afe_set_i2s_enable(afe, false); + regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, + AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M, + AUD_TCON0_PDN_22M | AUD_TCON0_PDN_24M); mtk_afe_dais_disable_clks(afe, afe->clocks[MTK_CLK_I2S1_M], NULL); /* disable AFE */ -- 2.7.4