m2_g2_fs/etc/scripts/set_volume.sh

#!/bin/sh
#
# initial audio set.
#

MODEL=`sysconf /etc/speaker.conf get system model`
[ "${MODEL}" = "SH30" -o "${MODEL}" = "SW15" -o "${MODEL}" = "SC15" ] && DEV_TYPE="Speaker"
[ "${MODEL}" = "IV03" -o "${MODEL}" = "IA03" ] && DEV_TYPE="Intercom"

case $1 in
    set)
        volume_out=$2
    ;;
    resume)
        /etc/scripts/pa_mute.sh 1
        volctrl_path="/oem/etc/volctrl.conf"
        volume_out=`sysconf ${volctrl_path} get volume volume_out`
    ;;
    *)
        /etc/scripts/pa_mute.sh 1
        volctrl_path="/oem/etc/volctrl.conf"
        volume_out=`sysconf ${volctrl_path} get volume volume_out`
    ;;
esac

# Set output volume
if [ "foo_${DEV_TYPE}" = "foo_Intercom" ];then
    case ${volume_out} in
        9)
            value_out=99
            ;;
        8)
            value_out=96
            ;;
        7)
            value_out=93
            ;;
        6)
            value_out=90
            ;;
        5)
            value_out=86
            ;;
        4)
            value_out=82
            ;;
        3)
            value_out=78
            ;;
        2)
            value_out=75
            ;;
        1)
            value_out=71
            ;;
        0)
            value_out=0
            ;;
    esac
else # Speaker

    if [ "foo_${MODEL}" = "foo_SC15" -o "foo_${MODEL}" = "foo_SW15" ];then

        case ${volume_out} in
            9)
                value_out=91
                ;;
            8)
                value_out=86
                ;;
            7)
                value_out=79
                ;;
            6)
                value_out=73
                ;;
            5)
                value_out=67
                ;;
            4)
                value_out=58
                ;;
            3)
                value_out=47
                ;;
            2)
                value_out=35
                ;;
            1)
                value_out=19
                ;;
            0)
                value_out=0
                ;;
        esac

    elif [ "foo_${MODEL}" = "foo_SL50" ];then

        case ${volume_out} in
            9)
                value_out="98,95"
                ;;
            8)
                value_out="95,91"
                ;;
            7)
                value_out="89,85"
                ;;
            6)
                value_out="83,78"
                ;;
            5)
                value_out="76,71"
                ;;
            4)
                value_out="68,62"
                ;;
            3)
                value_out="62,56"
                ;;
            2)
                value_out="53,45"
                ;;
            1)
                value_out="41,33"
                ;;
            0)
                value_out=0
                ;;
        esac

    else # SH30

        case ${volume_out} in
            9)
                value_out=99
                ;;
            8)
                value_out=95
                ;;
            7)
                value_out=90
                ;;
            6)
                value_out=86
                ;;
            5)
                value_out=82
                ;;
            4)
                value_out=78
                ;;
            3)
                value_out=74
                ;;
            2)
                value_out=70
                ;;
            1)
                value_out=43
                ;;
            0)
                value_out=0
                ;;
        esac
    fi
fi
/usr/bin/amixer -q sset 'Master',0 ${value_out}

exit 0