ASoC: wm8994: Keep AIF3 tristated when not in use
Since AIF3 shares clock signals with other audio interfaces in order to
ensure it doesn't drive undesirable clocks we need to tristate it. Rather
than forcing the machine driver to do so have the driver do this.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/wm8994.c b/sound/soc/codecs/wm8994.c
index 01ecdb5..59de3fd 100644
--- a/sound/soc/codecs/wm8994.c
+++ b/sound/soc/codecs/wm8994.c
@@ -1567,6 +1567,7 @@
};
static const struct snd_soc_dapm_widget wm8958_dapm_widgets[] = {
+SND_SOC_DAPM_SUPPLY("AIF3", WM8994_POWER_MANAGEMENT_6, 5, 1, NULL, 0),
SND_SOC_DAPM_MUX("Mono PCM Out Mux", SND_SOC_NOPM, 0, 0, &mono_pcm_out_mux),
SND_SOC_DAPM_MUX("AIF2DACL Mux", SND_SOC_NOPM, 0, 0, &aif2dacl_src_mux),
SND_SOC_DAPM_MUX("AIF2DACR Mux", SND_SOC_NOPM, 0, 0, &aif2dacr_src_mux),
@@ -1807,6 +1808,9 @@
{ "AIF2DACR Mux", "AIF2", "AIF2DAC Mux" },
{ "AIF2DACR Mux", "AIF3", "AIF3DACDAT" },
+ { "AIF3DACDAT", NULL, "AIF3" },
+ { "AIF3ADCDAT", NULL, "AIF3" },
+
{ "Mono PCM Out Mux", "AIF2ADCL", "AIF2ADCL" },
{ "Mono PCM Out Mux", "AIF2ADCR", "AIF2ADCR" },
@@ -2677,10 +2681,6 @@
reg = WM8994_AIF2_MASTER_SLAVE;
mask = WM8994_AIF2_TRI;
break;
- case 3:
- reg = WM8994_POWER_MANAGEMENT_6;
- mask = WM8994_AIF3_TRI;
- break;
default:
return -EINVAL;
}
@@ -2733,7 +2733,6 @@
static const struct snd_soc_dai_ops wm8994_aif3_dai_ops = {
.hw_params = wm8994_aif3_hw_params,
- .set_tristate = wm8994_set_tristate,
};
static struct snd_soc_dai_driver wm8994_dai[] = {