rockbox script for openwrt on zipit

HEADPHONE=`amixer sget Headphone | grep -m1 "%]" | cut -d "[" -f2 | cut -d "]" -f1`
SPEAKER=`amixer sget Speaker | grep -m1 "%]" | cut -d "[" -f2 | cut -d "]" -f1`
BASS=`amixer sget Bass | grep -m1 "%]" | cut -d "[" -f2 | cut -d "]" -f1`
TREBLE=`amixer sget Treble | grep -m1 "%]" | cut -d "[" -f2 | cut -d "]" -f1`

# Set speaker vol to 0 for rockbox.
amixer -q sset "Speaker" 0%
#amixer -q sset "Headphone" 95%

# Headphone or Line-out tone settings.
amixer -q sset "Bass" 47%
amixer -q sset "Treble" 47%

export SDL_AUDIODRIVER=dsp
export SDL_NOMOUSE=1
export SDL_VIDEO_FBCON_ROTATION="CCW"
rockbox.bin

# Restore Speaker volume and tone settings.
amixer -q sset "Speaker" $SPEAKER
amixer -q sset "Bass" $BASS
amixer -q sset "Treble" $TREBLE