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authorJack Yu <jack.yu@realtek.com>2021-03-22 06:50:53 +0100
committerMark Brown <broonie@kernel.org>2021-03-25 14:58:56 +0100
commit9f44673b7af2e776b55b1d15b3a35d8e8eb51331 (patch)
tree7ad9b8bcfeb176eecb2978e544dd76358b31e403 /sound/soc/codecs/rt1015.c
parentspi: imx: Use of_device_get_match_data() helper (diff)
downloadlinux-9f44673b7af2e776b55b1d15b3a35d8e8eb51331.tar.xz
linux-9f44673b7af2e776b55b1d15b3a35d8e8eb51331.zip
ASoC: rt1015: Add bclk detection and dc detection
Add bclk detection and dc detection before playback. Signed-off-by: Jack Yu <jack.yu@realtek.com> Link: https://lore.kernel.org/r/20210322055053.31797-1-jack.yu@realtek.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/codecs/rt1015.c')
-rw-r--r--sound/soc/codecs/rt1015.c18
1 files changed, 17 insertions, 1 deletions
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"),
};