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lenovo/t520: Apply ME workaround for S3 resume 

Without this patch the laptop powers down after resume.

Change-Id: Ic6486fd4c4cc55b1ac5695f9d6d83fc2193b7eba
Signed-off-by: Nicolas Reinecke <nr@das-labor.org>
Reviewed-on: http://review.coreboot.org/7102
Tested-by: build bot (Jenkins)
Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>
This commit is contained in:
Nicolas Reinecke 2014-10-17 15:09:05 +02:00 committed by Vladimir Serbinenko
parent a9f4299222
commit 85f2e12b4f
2 changed files with 6 additions and 1 deletions
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6
src/mainboard/lenovo/t520/acpi/platform.asl
View File

@ -68,6 +68,10 @@ Method(_PTS,1)
Method(_WAK,1) Method(_WAK,1)
{ {
/* Not implemented. */ /* ME may not be up yet. */
Store (0, \_TZ.MEB1)
Store (0, \_TZ.MEB2)
/* Not implemented. */
Return(Package(){0,0}) Return(Package(){0,0})
} }

1
src/mainboard/lenovo/t520/dsdt.asl
View File

@ -24,6 +24,7 @@
#define BRIGHTNESS_DOWN \_SB.PCI0.GFX0.LCD0.DECB #define BRIGHTNESS_DOWN \_SB.PCI0.GFX0.LCD0.DECB
#define ACPI_VIDEO_DEVICE \_SB.PCI0.GFX0 #define ACPI_VIDEO_DEVICE \_SB.PCI0.GFX0
#define RP04_IS_EXPRESSCARD 1 #define RP04_IS_EXPRESSCARD 1
#define EC_LENOVO_H8_ME_WORKAROUND 1
#define HAVE_LCD_SCREEN 1 #define HAVE_LCD_SCREEN 1
DefinitionBlock( DefinitionBlock(