-- function keys
awful.key(nil, "XF86ScreenSaver", function () awful.spawn("xset dpms force off") end),
-awful.key(nil, "XF86AudioMute", function () awful.spawn("pactl set-sink-mute 0 toggle") end),
-awful.key({ cmdkey }, "End", function () awful.spawn("pactl set-sink-mute 0 toggle") end),
-awful.key(nil, "XF86AudioLowerVolume", function () awful.spawn("pactl set-sink-volume 0 -2%") end),
-awful.key({ cmdkey }, "Next", function () awful.spawn("pactl set-sink-volume 0 -2%") end),
-awful.key(nil, "XF86AudioRaiseVolume", function () awful.spawn("pactl set-sink-volume 0 +2%") end),
-awful.key({ cmdkey }, "Prior", function () awful.spawn("pactl set-sink-volume 0 +2%") end),
-awful.key(nil, "XF86AudioMicMute", function () awful.spawn("pactl set-source-mute 1 toggle") end),
-awful.key({ cmdkey }, "Home", function () awful.spawn("pactl set-source-mute 1 toggle") end),
+awful.key(nil, "XF86AudioMute", function () awful.spawn("pactl set-sink-mute @DEFAULT_SINK@ toggle") end),
+awful.key({ cmdkey }, "End", function () awful.spawn("pactl set-sink-mute @DEFAULT_SINK@ toggle") end),
+awful.key(nil, "XF86AudioLowerVolume", function () awful.spawn("pactl set-sink-volume @DEFAULT_SINK@ -2%") end),
+awful.key({ cmdkey }, "Next", function () awful.spawn("pactl set-sink-volume @DEFAULT_SINK@ -2%") end),
+awful.key(nil, "XF86AudioRaiseVolume", function () awful.spawn("pactl set-sink-volume @DEFAULT_SINK@ +2%") end),
+awful.key({ cmdkey }, "Prior", function () awful.spawn("pactl set-sink-volume @DEFAULT_SINK@ +2%") end),
+awful.key(nil, "XF86AudioMicMute", function () awful.spawn("pactl set-source-mute @DEFAULT_SOURCE@ toggle") end),
+awful.key({ cmdkey }, "Home", function () awful.spawn("pactl set-source-mute @DEFAULT_SOURCE@ toggle") end),
awful.key(nil, "XF86MonBrightnessDown", function () awful.spawn("xbacklight -dec 5%") end),
awful.key(nil, "XF86MonBrightnessUp", function () awful.spawn("xbacklight -inc 5%") end),
awful.key(nil, "XF86Display", function () awful.spawn("autorandr --change --force"); initialise_to_autorandr_profile() end),