diff --git a/asoc/codecs/wcd937x/wcd937x.c b/asoc/codecs/wcd937x/wcd937x.c index c1b6c898203e..7dbc9e9d93b2 100644 --- a/asoc/codecs/wcd937x/wcd937x.c +++ b/asoc/codecs/wcd937x/wcd937x.c @@ -1055,6 +1055,22 @@ static int wcd937x_codec_enable_ear_pa(struct snd_soc_dapm_widget *w, snd_soc_component_update_bits(component, WCD937X_DIGITAL_PDM_WD_CTL0, 0x17, 0x00); + usleep_range(10000, 10010); + /* disable EAR CnP FSM */ + snd_soc_component_update_bits(component, + WCD937X_EAR_EAR_EN_REG, + 0x02, 0x00); + /* toggle EAR PA to let PA control registers take effect */ + snd_soc_component_update_bits(component, + WCD937X_ANA_EAR, + 0x80, 0x80); + snd_soc_component_update_bits(component, + WCD937X_ANA_EAR, + 0x80, 0x00); + /* enable EAR CnP FSM */ + snd_soc_component_update_bits(component, + WCD937X_EAR_EAR_EN_REG, + 0x02, 0x02); break; }; return ret;