ASoC: wcd9306: Update RX4 mix chain with 3rd input

Update RX4 mix chain with 3rd input, with this change
RX4 mix chain can take an addition input from the available
Input source.

CRs-Fixed: 576170
Change-Id: I142fc5afbb2add3ed147dc0abc833b65081a526f
Signed-off-by: Santosh Mardi <gsantosh@codeaurora.org>
diff --git a/sound/soc/codecs/wcd9306.c b/sound/soc/codecs/wcd9306.c
index aaa132e..abc628b 100644
--- a/sound/soc/codecs/wcd9306.c
+++ b/sound/soc/codecs/wcd9306.c
@@ -1323,6 +1323,9 @@
 static const struct soc_enum rx4_mix1_inp2_chain_enum =
 	SOC_ENUM_SINGLE(TAPAN_A_CDC_CONN_RX4_B1_CTL, 4, 13, rx_3_4_mix1_text);
 
+static const struct soc_enum rx4_mix1_inp3_chain_enum =
+	SOC_ENUM_SINGLE(TAPAN_A_CDC_CONN_RX4_B2_CTL, 0, 13, rx_3_4_mix1_text);
+
 static const struct soc_enum rx1_mix2_inp1_chain_enum =
 	SOC_ENUM_SINGLE(TAPAN_A_CDC_CONN_RX1_B3_CTL, 0, 5, rx_mix2_text);
 
@@ -1418,6 +1421,9 @@
 static const struct snd_kcontrol_new rx4_mix1_inp2_mux =
 	SOC_DAPM_ENUM("RX4 MIX1 INP2 Mux", rx4_mix1_inp2_chain_enum);
 
+static const struct snd_kcontrol_new rx4_mix1_inp3_mux =
+	SOC_DAPM_ENUM("RX4 MIX1 INP3 Mux", rx4_mix1_inp3_chain_enum);
+
 static const struct snd_kcontrol_new rx1_mix2_inp1_mux =
 	SOC_DAPM_ENUM("RX1 MIX2 INP1 Mux", rx1_mix2_inp1_chain_enum);
 
@@ -4167,7 +4173,7 @@
 	SND_SOC_DAPM_MUX("RX4 MIX1 INP2", SND_SOC_NOPM, 0, 0,
 		&rx4_mix1_inp2_mux),
 	SND_SOC_DAPM_MUX("RX4 MIX1 INP3", SND_SOC_NOPM, 0, 0,
-		&rx4_mix1_inp2_mux),
+		&rx4_mix1_inp3_mux),
 
 	/* RX4 MIX2 mux inputs */
 	SND_SOC_DAPM_MUX("RX4 MIX2 INP1", SND_SOC_NOPM, 0, 0,