[coreboot-gerrit] New patch to review for coreboot: ec/lenovo/h8: Add tablet mode switch method
Nicola Corna (nicola@corna.info)
gerrit at coreboot.org
Sat Feb 11 15:12:06 CET 2017
Nicola Corna (nicola at corna.info) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/18328
-gerrit
commit 5c6afc9ab43c7aa59085ae6ee55bcda5a299f97c
Author: Nicola Corna <nicola at corna.info>
Date: Sat Feb 11 14:00:03 2017 +0100
ec/lenovo/h8: Add tablet mode switch method
thinkpad_acpi expects a MHKG method which returns the current
state of the tablet mode switch shifted left by 3.
If such method is not found, subsequents laptop/tablet mode
events are ignored.
Tested on a X220T.
Change-Id: Ic9ffea2ffe507b3692d1dd7411c52b813ec32146
Signed-off-by: Nicola Corna <nicola at corna.info>
---
src/ec/lenovo/h8/acpi/ec.asl | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/src/ec/lenovo/h8/acpi/ec.asl b/src/ec/lenovo/h8/acpi/ec.asl
index b69acf8..497dde4 100644
--- a/src/ec/lenovo/h8/acpi/ec.asl
+++ b/src/ec/lenovo/h8/acpi/ec.asl
@@ -32,6 +32,9 @@ Device(EC)
HSPA, 1,
Offset (0x0C),
LEDS, 8, /* LED state */
+ Offset (0x0F),
+ , 7,
+ TBSW, 1, /* Tablet mode switch */
Offset (0x1a),
DKR2, 1, /* Dock register 2 */
Offset (0x2a),
@@ -354,6 +357,11 @@ Device(EC)
{
Return (0x07FFFFFF)
}
+ /* Report tablet mode switch state */
+ Method (MHKG, 0, NotSerialized)
+ {
+ Return (TBSW << 3)
+ }
/* Version */
Method (MHKV, 0, NotSerialized)
{
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