#!/bin/sh
value() { egrep -o "(^| )$1=[^ ]+" /proc/cmdline | cut -d= -f2; } #sfs
ALSA() {
/usr/bin/amixer sset Master Mono $1 unmute
/usr/bin/amixer sset Master $1 unmute
#/usr/bin/amixer sset PCM $1 unmute
}

v="`value volume`"
[ "$1" ] && ALSA $1 && exit
[ "$v" ] && echo vol="$v" && ALSA "$v"
