return function(is_laptop)
    local function exit_submap()
        hl.dispatch(hl.dsp.submap("reset"))
    end

    hl.define_submap("device", function()
        hl.bind("m", function()
            hl.dispatch(hl.dsp.exec_cmd("wpctl set-mute @DEFAULT_AUDIO_SOURCE@ toggle"))
            exit_submap()
        end)

        if is_laptop then
            hl.bind("d", function()
                hl.dispatch(hl.dsp.exec_cmd("notify-send 'Set to mirror internal display' --app-name'Hyprctl'"))
                hl.monitor({
                    output = "HDMI-A-1",
                    mirror = "eDP-1",
                })
                exit_submap()
            end)
            hl.bind("e", function()
                hl.dispatch(hl.dsp.exec_cmd("notify-send 'Set to expand internal display' --app-name'Hyprctl'"))
                hl.monitor({
                    output = "HDMI-A-1",
                    mirror = "",
                })
                exit_submap()
            end)
        end

        hl.bind("Escape", function()
            exit_submap()
        end)
    end)
end