ARM: OMAP: 3430sdp: Enable extmute functionality for audio

Enable the use of extmute on the HS path.
Signed-off-by: NPeter Ujfalusi <peter.ujfalusi@ti.com>

arch/arm/mach-omap2/board-3430sdp.c

@@ -382,6 +382,9 @@ static int __init omap3430_i2c_init(void)
 	sdp3430_twldata.vpll2->constraints.apply_uV = true;
 	sdp3430_twldata.vpll2->constraints.name = "VDVI";
 
+	sdp3430_twldata.audio->codec->hs_extmute = 1;
+	sdp3430_twldata.audio->codec->hs_extmute_gpio = -EINVAL;
+
 	omap3_pmic_init("twl4030", &sdp3430_twldata);
 
 	/* i2c2 on camera connector (for sensor control) and optional isp1301 */