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brightness: handle the case where xbacklight doesn't work

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This happens with modesettings...
This commit is contained in:
Vincent Bernat 2016-03-16 15:49:22 +01:00
parent f3f3754336
commit 04d9fb8da6
1 changed files with 2 additions and 2 deletions
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4
lib/brightness.lua
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@ -5,6 +5,7 @@ local naughty = require("naughty")
local tonumber = tonumber local tonumber = tonumber
local string = string local string = string
local os = os local os = os
local dbg = dbg
-- A bit odd, but... -- A bit odd, but...
require("lib/icons") require("lib/icons")
@ -16,8 +17,7 @@ local nid = nil
local function change(what) local function change(what)
os.execute("xbacklight -" .. what) os.execute("xbacklight -" .. what)
local out = awful.util.pread("xbacklight -get") local out = awful.util.pread("xbacklight -get")
if not out then return end if not out or out == "" then return end
out = tonumber(out) out = tonumber(out)
local icon = icons.lookup({name = "display-brightness", local icon = icons.lookup({name = "display-brightness",
type = "status"}) type = "status"})