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-rw-r--r--src/ec/smsc/mec1308/acpi/battery.asl2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/ec/smsc/mec1308/acpi/battery.asl b/src/ec/smsc/mec1308/acpi/battery.asl
index bbbcfe225f..603b1d41a1 100644
--- a/src/ec/smsc/mec1308/acpi/battery.asl
+++ b/src/ec/smsc/mec1308/acpi/battery.asl
@@ -157,7 +157,7 @@ Device (BAT0)
// See if within ~3% of full
ShiftRight (Local2, 5, Local3)
- If (LGreater (Local1, Subtract (Local2, Local3)) &&
+ If (LGreater (Local1, Local2 - Local3) &&
LLess (Local1, Add (Local2, Local3)))
{
Store (Local2, Local1)