From 209020ceb1403ff2d3d50c3a9cc82e9d35b885f5 Mon Sep 17 00:00:00 2001
From: Michael Chicoine <mc2739@gmail.com>
Date: Wed, 11 Aug 2010 23:36:35 +0000
Subject: [PATCH] Do not return negative sleeptimer values

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27774 a1c6a512-1295-4272-9138-f99709370657
---
 firmware/powermgmt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/firmware/powermgmt.c b/firmware/powermgmt.c
index 6ae2ca6150..6ebbce5423 100644
--- a/firmware/powermgmt.c
+++ b/firmware/powermgmt.c
@@ -218,7 +218,7 @@ void set_sleep_timer(int seconds)
 
 int get_sleep_timer(void)
 {
-    if (sleeptimer_active)
+    if (sleeptimer_active && (sleeptimer_endtick >= current_tick))
         return (sleeptimer_endtick - current_tick) / HZ;
     else
         return 0;