#!/bin/bash

# ALSA can manage a max of 8 cards
CARD_LIST="0 1 2 3 4 5 6 7"

for i in $CARD_LIST; do

#amixer -c ${i}  -q set Mic 0% mute
amixer -c ${i}  -q set Speaker 70% unmute >/dev/null 2>&1
amixer -c ${i}  -q set Mic cap mute 70%	>/dev/null 2>&1
amixer -c ${i}  -q set "Auto Gain Control" off	>/dev/null 2>&1

done