From 2a258eac6beaaac20c07c26ffe5f39a4c362968e Mon Sep 17 00:00:00 2001
From: Jens Arnold <amiconn@rockbox.org>
Date: Thu, 16 Aug 2007 17:34:55 +0000
Subject: [PATCH] Fix signedness bug in trickle charge proportional adjustment
 which became visible due to the changed calculation.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14371 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 596922f891..570fcfa065 100644
--- a/firmware/powermgmt.c
+++ b/firmware/powermgmt.c
@@ -1139,7 +1139,7 @@ static void power_thread(void)
              * generate more heat [gvb].
              */
 
-            pid_p = (target_voltage - battery_millivolts) / 5;
+            pid_p = ((signed)target_voltage - (signed)battery_millivolts) / 5;
             if((pid_p <= PID_DEADZONE) && (pid_p >= -PID_DEADZONE))
                 pid_p = 0;