Add media keys control to awesome.

-- requires the alas-utils and playerctl packages.

.config/awesome/rc.lua

@@ -417,7 +417,26 @@ for i = 1, 9 do
                           end
                       end
                   end,
-                  {description = "toggle focused client on tag #" .. i, group = "tag"})
+                  {description = "toggle focused client on tag #" .. i, group = "tag"}),
+	awful.key({}, "XF86AudioLowerVolume", function ()
+	      awful.util.spawn("amixer -q -D pulse sset Master 5%-", false)
+	end),
+	awful.key({}, "XF86AudioRaiseVolume", function ()
+	      awful.util.spawn("amixer -q -D pulse sset Master 5%+", false)
+	end),
+	awful.key({}, "XF86AudioMute", function ()
+	      awful.util.spawn("amixer -D pulse set Master 1+ toggle", false)
+	end),
+	-- Media Keys
+	awful.key({}, "XF86AudioPlay", function()
+	      awful.util.spawn("playerctl play-pause", false)
+	end),
+	awful.key({}, "XF86AudioNext", function()
+	      awful.util.spawn("playerctl next", false)
+	end),
+	awful.key({}, "XF86AudioPrev", function()
+	      awful.util.spawn("playerctl previous", false)
+	end)
     )
 end