ASoC: wcd938x: Update wcd938x initialization sequence

Update wcd938x codec initialization sequence as per hardware
requirement.

Change-Id: I17989e3f159d106eb9de6b1b8f660a647962539c
Signed-off-by: Sudheer Papothi <spapothi@codeaurora.org>

asoc/codecs/wcd938x/wcd938x.c

@@ -221,6 +221,8 @@ static int wcd938x_init_reg(struct snd_soc_component *component)
 				WCD938X_MICB3_TEST_CTL_1, 0xE0, 0xE0);
 	snd_soc_component_update_bits(component,
 				WCD938X_MICB4_TEST_CTL_1, 0xE0, 0xE0);
+	snd_soc_component_update_bits(component,
+				WCD938X_TX_3_4_TEST_BLK_EN2, 0x01, 0x00);
 
 	return 0;
 }