867             --local fh = _assert(io.popen("amixer cget name=\"Headphone Swit
868             --local state = fh:read("*a")
869             --fh:close()                   
870             local fh = _assert(io.popen("amixer cget name=\"Headphone Switch
871             local _,_,state = fh:read("*a"):find(": values=(%d+)")
872             fh:close()                       
873
874             -- revert to headphones if needed
875             --if state and state:sub(1,1) == "1" then
876             if state == "1" then              
877                     os.execute("amixer -q sset Endpoint Headphone")
878             end