X-Git-Url: https://git.madduck.net/etc/awesome.git/blobdiff_plain/f5d391e7b6188d1d5847d12ceb64796c56f2d9f1..f619c08b5fb849c8f0ac94677c7b4a18190cdf23:/widgets/alsa.lua

diff --git a/widgets/alsa.lua b/widgets/alsa.lua
index f62a150..85d5311 100644
--- a/widgets/alsa.lua
+++ b/widgets/alsa.lua
@@ -8,11 +8,12 @@
 --]]
 
 local newtimer        = require("lain.helpers").newtimer
+local read_pipe       = require("lain.helpers").read_pipe
 
 local wibox           = require("wibox")
 
-local io              = { popen  = io.popen }
-local string          = { match  = string.match }
+local string          = { match  = string.match,
+                          format = string.format }
 
 local setmetatable    = setmetatable
 
@@ -23,15 +24,15 @@ local alsa = {}
 local function worker(args)
     local args     = args or {}
     local timeout  = args.timeout or 5
-    local channel  = args.channel or "Master"
     local settings = args.settings or function() end
 
+    alsa.cmd     = args.cmd or "amixer"
+    alsa.channel = args.channel or "Master"
+
     alsa.widget = wibox.widget.textbox('')
 
     function alsa.update()
-        local f = assert(io.popen('amixer -M get ' .. channel))
-        local mixer = f:read("*a")
-        f:close()
+        local mixer = read_pipe(string.format("%s get %s", alsa.cmd, alsa.channel))
 
         volume_now = {}
 
@@ -57,7 +58,9 @@ local function worker(args)
         settings()
     end
 
-    newtimer("alsa", timeout, alsa.update)
+    timer_id = string.format("alsa-%s-%s", alsa.cmd, alsa.channel)
+
+    newtimer(timer_id, timeout, alsa.update)
 
     return setmetatable(alsa, { __index = alsa.widget })
 end