#!/bin/dash
amixer -c "${MAIN_ALSA_CARD}" -- set Speaker '0%' mute
amixer -c "${MAIN_ALSA_CARD}" -- set PCM '15%' unmute
amixer -c "${MAIN_ALSA_CARD}" -- set Master '100%' unmute
amixer -c "${MAIN_ALSA_CARD}" -- set Headphone '100%' unmute