#Toggle Master mute
"amixer sset Master toggle"
    m:0x0 + c:121
    XF86AudioMute 

#Decrease Master volume
"amixer sset Master 1- unmute"
    m:0x0 + c:122
    XF86AudioLowerVolume 

#Increase Master volume
"amixer sset Master  1+ unmute"
    m:0x0 + c:123
    XF86AudioRaiseVolume 

#Toggle PCM volume
"amixer sset PCM toggle"
    m:0x40 + c:121
    Mod4 + XF86AudioMute 

#Decrease PCM volume
"amixer sset PCM 1- unmute"
    m:0x40 + c:122
    Mod4 + XF86AudioLowerVolume 

#Increase PCM volume
"amixer sset PCM  1+ unmute"
    m:0x40 + c:123
    Mod4 + XF86AudioRaiseVolume