From 90ec78c5c254dd3d877d995705e68baee02103b6 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lo=C3=AFc=20Hoguin?= <essen@ninenines.eu>
Date: Wed, 9 Apr 2014 13:47:09 +0200
Subject: Add typespecs to the sdl_power module

---
 src/sdl_power.erl | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/sdl_power.erl b/src/sdl_power.erl
index c12729d..deb1e45 100644
--- a/src/sdl_power.erl
+++ b/src/sdl_power.erl
@@ -16,5 +16,8 @@
 
 -export([get_info/0]).
 
+-type power_state() :: unknown | on_battery | no_battery | charging | charged.
+
+-spec get_info() -> {power_state(), integer(), integer()}.
 get_info() ->
 	esdl2:get_power_info().
-- 
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