From 9f44673b7af2e776b55b1d15b3a35d8e8eb51331 Mon Sep 17 00:00:00 2001 From: Jack Yu Date: Mon, 22 Mar 2021 13:50:53 +0800 Subject: ASoC: rt1015: Add bclk detection and dc detection Add bclk detection and dc detection before playback. Signed-off-by: Jack Yu Link: https://lore.kernel.org/r/20210322055053.31797-1-jack.yu@realtek.com Signed-off-by: Mark Brown --- sound/soc/codecs/rt1015.c | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) (limited to 'sound/soc/codecs/rt1015.c') diff --git a/sound/soc/codecs/rt1015.c b/sound/soc/codecs/rt1015.c index 10a7b7745f4b..9238f12999aa 100644 --- a/sound/soc/codecs/rt1015.c +++ b/sound/soc/codecs/rt1015.c @@ -669,8 +669,23 @@ static int rt1015_amp_drv_event(struct snd_soc_dapm_widget *w, struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm); struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component); + unsigned int ret, ret2; switch (event) { + case SND_SOC_DAPM_PRE_PMU: + ret = snd_soc_component_read(component, RT1015_CLK_DET); + ret2 = snd_soc_component_read(component, RT1015_SPK_DC_DETECT1); + if (!((ret >> 15) & 0x1)) { + snd_soc_component_update_bits(component, RT1015_CLK_DET, + RT1015_EN_BCLK_DET_MASK, RT1015_EN_BCLK_DET); + dev_dbg(component->dev, "BCLK Detection Enabled.\n"); + } + if (!((ret2 >> 12) & 0x1)) { + snd_soc_component_update_bits(component, RT1015_SPK_DC_DETECT1, + RT1015_EN_CLA_D_DC_DET_MASK, RT1015_EN_CLA_D_DC_DET); + dev_dbg(component->dev, "Class-D DC Detection Enabled.\n"); + } + break; case SND_SOC_DAPM_POST_PMU: if (rt1015->hw_config == RT1015_HW_28) schedule_delayed_work(&rt1015->flush_work, msecs_to_jiffies(10)); @@ -690,7 +705,8 @@ static const struct snd_soc_dapm_widget rt1015_dapm_widgets[] = { r1015_dac_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD), SND_SOC_DAPM_OUT_DRV_E("Amp Drv", SND_SOC_NOPM, 0, 0, NULL, 0, - rt1015_amp_drv_event, SND_SOC_DAPM_POST_PMU), + rt1015_amp_drv_event, SND_SOC_DAPM_PRE_PMU | + SND_SOC_DAPM_POST_PMU), SND_SOC_DAPM_OUTPUT("SPO"), }; -- cgit v1.2.3