return gears.table.join(
	awful.key( {}, "XF86MonBrightnessUp",
		function ()
			bck:backlight_up()
		end,
		{
			description = "Raise brightness",
			group = "System"
		}
	),

	awful.key( {}, "XF86MonBrightnessDown",
		function ()
			bck:backlight_down()
		end,
		{
			description = "Lower brightness",
			group = "System"
		}
	),

	awful.key( { "Mod4" }, "o",
		function ()
			bin.backlight.redshift(5600)
		end,
		{
			description = "Default redshift",
			group = "System"
		}
	),

	awful.key( { "Mod4", "Shift" }, "o",
		function ()
			bin.backlight.redshift_reset()
		end,
		{
			description = "Reset redshift",
			group = "System"
		}
	),

	awful.key( { "Mod4", "Shift", "Control" }, "o",
		function ()
			bin.backlight.redshift_reset()
			awful.prompt.run {
				prompt = "<b>Color temperature: </b>",
				textbox = awful.screen.focused().mypromptbox.widget,
				exe_callback = bin.backlight.redshift
			}
		end,
		{
			description = "Set redshift",
			group = "System"
		}
	)
)