ASoC: wcd938x: Disable ear path at power down

Ear Path is not disabled properly disabled at power down.
Disable clk and other registers depending on whether ear
takes aux or hph path at pwd.

Change-Id: I987904ddd9bf21b9ed96e754e6eb2514b4d277ce
Signed-off-by: Vatsal Bucha <vbucha@codeaurora.org>

asoc/codecs/wcd938x/wcd938x.c

@@ -695,6 +695,15 @@ static int wcd938x_codec_ear_dac_event(struct snd_soc_dapm_widget *w,
 		if (wcd938x->ear_rx_path & EAR_RX_PATH_AUX) {
 			snd_soc_component_update_bits(component,
 				WCD938X_DIGITAL_CDC_AUX_GAIN_CTL, 0x01, 0x00);
+			snd_soc_component_update_bits(component,
+				WCD938X_DIGITAL_CDC_DIG_CLK_CTL, 0x04, 0x00);
+		} else {
+			snd_soc_component_update_bits(component,
+				WCD938X_DIGITAL_CDC_HPH_GAIN_CTL, 0x04, 0x00);
+			snd_soc_component_update_bits(component,
+				WCD938X_DIGITAL_CDC_DIG_CLK_CTL, 0x01, 0x00);
+			snd_soc_component_update_bits(component,
+				WCD938X_DIGITAL_CDC_COMP_CTL_0, 0x02, 0x00);
 		}
 		snd_soc_component_update_bits(component,
 				WCD938X_ANA_EAR_COMPANDER_CTL, 0x80, 0x00);
@@ -2763,7 +2772,6 @@ static const struct snd_kcontrol_new wcd938x_snd_controls[] = {
 		wcd938x_get_compander, wcd938x_set_compander),
 	SOC_SINGLE_EXT("HPHR_COMP Switch", SND_SOC_NOPM, 1, 1, 0,
 		wcd938x_get_compander, wcd938x_set_compander),
-
 	SOC_SINGLE_EXT("LDOH Enable", SND_SOC_NOPM, 0, 1, 0,
 		wcd938x_ldoh_get, wcd938x_ldoh_put),