From 02eb1d83a79c265b0273e18630553efcf8b9196c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Nils=20Wallm=C3=A9nius?= <nils@rockbox.org>
Date: Sat, 12 Apr 2008 07:14:13 +0000
Subject: [PATCH] FS#8871 by Tomasz Wasilczyk, avoid negative runtime
 estimation (that would later be cast to an unsigned giving huge values

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17080 a1c6a512-1295-4272-9138-f99709370657
---
 docs/CREDITS         | 1 +
 firmware/powermgmt.c | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/docs/CREDITS b/docs/CREDITS
index 9b4a02abf4..48094834c8 100644
--- a/docs/CREDITS
+++ b/docs/CREDITS
@@ -386,6 +386,7 @@ Andreas Müller
 Christopher Williams
 Martin Ritter
 Justin Hannigan
+Tomasz Wasilczyk
 
 
 The libmad team
diff --git a/firmware/powermgmt.c b/firmware/powermgmt.c
index 072a31fa3f..69b0704bc2 100644
--- a/firmware/powermgmt.c
+++ b/firmware/powermgmt.c
@@ -478,6 +478,10 @@ static void battery_status_update(void)
         if ((battery_millivolts + 20) > percent_to_volt_discharge[0][0])
             powermgmt_est_runningtime_min = (level + battery_percent) * 60 *
                                          battery_capacity / 200 / runcurrent();
+
+        else if (battery_millivolts <= battery_level_shutoff[0])
+            powermgmt_est_runningtime_min = 0;
+
         else
             powermgmt_est_runningtime_min = (battery_millivolts -
                                              battery_level_shutoff[0]) / 2;