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.
Acked-by: Chen-Yu Tsai wens@csie.org Signed-off-by: Samuel Holland samuel@sholland.org --- 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[] = {