diff options
| author | Koro Chen <koro.chen@mediatek.com> | 2015-12-22 06:11:34 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-12-23 02:52:20 +0300 |
| commit | c1f2a342846fbfd49ddc06ad7f0684d2c45b419d (patch) | |
| tree | ea780c2454d8d1d0fcd8e315fbac64e4efe803c0 /sound/soc/mediatek | |
| parent | 8d6f88ce961cf62137696627448cfd6038f07f41 (diff) | |
| download | linux-c1f2a342846fbfd49ddc06ad7f0684d2c45b419d.tar.xz | |
ASoC: mediatek: Turn AFE on/off in runtime resume/suspend
AFE is actually allowed to be turn on before configuration of DAIs
since each DAI has its own enabling control. Turn on/off AFE in
runtime resume/suspend to avoid AFE being shut down when closing a DAI
while other DAIs are still active.
Signed-off-by: Koro Chen <koro.chen@mediatek.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/mediatek')
| -rw-r--r-- | sound/soc/mediatek/mtk-afe-pcm.c | 24 |
1 files changed, 6 insertions, 18 deletions
diff --git a/sound/soc/mediatek/mtk-afe-pcm.c b/sound/soc/mediatek/mtk-afe-pcm.c index 5399a0eead3e..08af9f5dc4ab 100644 --- a/sound/soc/mediatek/mtk-afe-pcm.c +++ b/sound/soc/mediatek/mtk-afe-pcm.c @@ -382,9 +382,6 @@ static void mtk_afe_i2s_shutdown(struct snd_pcm_substream *substream, 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 */ - regmap_update_bits(afe->regmap, AFE_DAC_CON0, 0x1, 0); } static int mtk_afe_i2s_prepare(struct snd_pcm_substream *substream, @@ -433,9 +430,6 @@ static void mtk_afe_hdmi_shutdown(struct snd_pcm_substream *substream, mtk_afe_dais_disable_clks(afe, afe->clocks[MTK_CLK_I2S3_M], afe->clocks[MTK_CLK_I2S3_B]); - - /* disable AFE */ - regmap_update_bits(afe->regmap, AFE_DAC_CON0, 0x1, 0); } static int mtk_afe_hdmi_prepare(struct snd_pcm_substream *substream, @@ -679,17 +673,6 @@ static int mtk_afe_dais_hw_free(struct snd_pcm_substream *substream, return snd_pcm_lib_free_pages(substream); } -static int mtk_afe_dais_prepare(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct mtk_afe *afe = snd_soc_platform_get_drvdata(rtd->platform); - - /* enable AFE */ - regmap_update_bits(afe->regmap, AFE_DAC_CON0, 0x1, 0x1); - return 0; -} - static int mtk_afe_dais_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { @@ -757,7 +740,6 @@ static const struct snd_soc_dai_ops mtk_afe_dai_ops = { .shutdown = mtk_afe_dais_shutdown, .hw_params = mtk_afe_dais_hw_params, .hw_free = mtk_afe_dais_hw_free, - .prepare = mtk_afe_dais_prepare, .trigger = mtk_afe_dais_trigger, }; @@ -1118,6 +1100,9 @@ static int mtk_afe_runtime_suspend(struct device *dev) { struct mtk_afe *afe = dev_get_drvdata(dev); + /* disable AFE */ + regmap_update_bits(afe->regmap, AFE_DAC_CON0, 0x1, 0); + /* disable AFE clk */ regmap_update_bits(afe->regmap, AUDIO_TOP_CON0, AUD_TCON0_PDN_AFE, AUD_TCON0_PDN_AFE); @@ -1164,6 +1149,9 @@ static int mtk_afe_runtime_resume(struct device *dev) /* unmask all IRQs */ regmap_update_bits(afe->regmap, AFE_IRQ_MCU_EN, 0xff, 0xff); + + /* enable AFE */ + regmap_update_bits(afe->regmap, AFE_DAC_CON0, 0x1, 0x1); return 0; err_bck0: |