The clock must be running for the zero-crossing mute functionality.
However, it must be gated for VDD-SYS to be turned off during system
suspend. Disable it in the suspend callback, after everything has
already been muted, to avoid pops when muting/unmuting outputs.
Signed-off-by: Samuel Holland <samuel@xxxxxxxxxxxx>
---
sound/soc/sunxi/sun50i-codec-analog.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/sound/soc/sunxi/sun50i-codec-analog.c b/sound/soc/sunxi/sun50i-codec-analog.c
index cbdb31c3b7bd..4ad262c2e59b 100644
--- a/sound/soc/sunxi/sun50i-codec-analog.c
+++ b/sound/soc/sunxi/sun50i-codec-analog.c
@@ -438,6 +438,19 @@ static const struct snd_soc_dapm_route sun50i_a64_codec_routes[] = {
{ "EARPIECE", NULL, "Earpiece Amp" },
};
+static int sun50i_a64_codec_suspend(struct snd_soc_component *component)
+{
+ return regmap_update_bits(component->regmap, SUN50I_ADDA_HP_CTRL,
+ BIT(SUN50I_ADDA_HP_CTRL_PA_CLK_GATE),
+ BIT(SUN50I_ADDA_HP_CTRL_PA_CLK_GATE));
+}
+
+static int sun50i_a64_codec_resume(struct snd_soc_component *component)
+{
+ return regmap_update_bits(component->regmap, SUN50I_ADDA_HP_CTRL,
+ BIT(SUN50I_ADDA_HP_CTRL_PA_CLK_GATE), 0);
+}
+
static const struct snd_soc_component_driver sun50i_codec_analog_cmpnt_drv = {
.controls = sun50i_a64_codec_controls,
.num_controls = ARRAY_SIZE(sun50i_a64_codec_controls),
@@ -445,6 +458,8 @@ static const struct snd_soc_component_driver sun50i_codec_analog_cmpnt_drv = {
.num_dapm_widgets = ARRAY_SIZE(sun50i_a64_codec_widgets),
.dapm_routes = sun50i_a64_codec_routes,
.num_dapm_routes = ARRAY_SIZE(sun50i_a64_codec_routes),
+ .suspend = sun50i_a64_codec_suspend,
+ .resume = sun50i_a64_codec_resume,
};
static const struct of_device_id sun50i_codec_analog_of_match[] = {
--
2.24.1
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