Merge "ASoC: wcd: Update of IIR Gain value"
diff --git a/sound/soc/codecs/wcd9320.c b/sound/soc/codecs/wcd9320.c
index 78d70b2..5dedec8 100644
--- a/sound/soc/codecs/wcd9320.c
+++ b/sound/soc/codecs/wcd9320.c
@@ -5147,6 +5147,24 @@
 	return 0;
 }
 
+static int taiko_codec_iir_mux_event(struct snd_soc_dapm_widget *w,
+	struct snd_kcontrol *kcontrol, int event)
+{
+	struct snd_soc_codec *codec = w->codec;
+
+	pr_debug("%s: event = %d\n", __func__, event);
+
+	switch (event) {
+	case SND_SOC_DAPM_POST_PMU:
+		snd_soc_write(codec, w->reg, snd_soc_read(codec, w->reg));
+		break;
+	case SND_SOC_DAPM_POST_PMD:
+		snd_soc_write(codec, w->reg, snd_soc_read(codec, w->reg));
+		break;
+	}
+	return 0;
+}
+
 static int taiko_codec_dsm_mux_event(struct snd_soc_dapm_widget *w,
 	struct snd_kcontrol *kcontrol, int event)
 {
@@ -5645,10 +5663,16 @@
 		SND_SOC_DAPM_POST_PMD),
 
 	/* Sidetone */
-	SND_SOC_DAPM_MUX("IIR1 INP1 MUX", SND_SOC_NOPM, 0, 0, &iir1_inp1_mux),
+	SND_SOC_DAPM_MUX_E("IIR1 INP1 MUX", TAIKO_A_CDC_IIR1_GAIN_B1_CTL, 0, 0,
+		&iir1_inp1_mux,  taiko_codec_iir_mux_event,
+		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+
 	SND_SOC_DAPM_MIXER("IIR1", TAIKO_A_CDC_CLK_SD_CTL, 0, 0, NULL, 0),
 
-	SND_SOC_DAPM_MUX("IIR2 INP1 MUX", SND_SOC_NOPM, 0, 0, &iir2_inp1_mux),
+	SND_SOC_DAPM_MUX_E("IIR2 INP1 MUX", TAIKO_A_CDC_IIR2_GAIN_B1_CTL, 0, 0,
+		&iir2_inp1_mux,  taiko_codec_iir_mux_event,
+		SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+
 	SND_SOC_DAPM_MIXER("IIR2", TAIKO_A_CDC_CLK_SD_CTL, 1, 0, NULL, 0),
 
 	/* AUX PGA */