Change in coreboot[master]: ec/purism/librem: fix battery present rate

[Matt DeVillier (Code Review)]

Matt DeVillier has uploaded this change for review. ( https://review.coreboot.org/21545

Change subject: ec/purism/librem: fix battery present rate
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ec/purism/librem: fix battery present rate

EC ACPI code was calculating the drain rate, but not storing in
the battery status package before returning it.  Correct this
omission, and set the drain rate to a preset minimum if calculated
value is less.  Taken from vendor firmware ACPI dump.

Change-Id: I52837d5879112ab3103976bda28906fac8f880ec
Signed-off-by: Matt DeVillier 
---
M src/ec/purism/librem/acpi/battery.asl
1 file changed, 5 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/45/21545/1

diff --git a/src/ec/purism/librem/acpi/battery.asl b/src/ec/purism/librem/acpi/battery.asl
index a090b7c..5a4891e 100644
--- a/src/ec/purism/librem/acpi/battery.asl
+++ b/src/ec/purism/librem/acpi/battery.asl
@@ -183,6 +183,11 @@
    	} Else {
    		And (Local1, 0x7FFF, Local0)
    	}
+		If(LLess(Local0, 0x0352))
+		{
+			Store(0x0352, Local0)
+		}
+		Store (Local0, Index (PBST, 1))

/*
    	 * 2: BATTERY REMAINING CAPACITY