#!/bin/sh [ -f /etc/profile.d/RkEnv.sh ] && source /etc/profile.d/RkEnv.sh case $1 in start) if command -v amixer >/dev/null 2>&1; then amixer set 'ADC ALC Left' 26 > /dev/null 2>&1 amixer set 'ADC ALC Right' 26 > /dev/null 2>&1 amixer set 'ADC MIC Left Gain' 3 > /dev/null 2>&1 amixer set 'ADC MIC Right Gain' 3 > /dev/null 2>&1 amixer set 'ADC MICBIAS Voltage' 'VREFx0_975' > /dev/null 2>&1 amixer set 'ADC Mode' 'SingadcL' > /dev/null 2>&1 fi ;; *) exit 1 ;; esac