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-rw-r--r--src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl15
1 files changed, 14 insertions, 1 deletions
diff --git a/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl b/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl
index 81964baa48..2855b23fab 100644
--- a/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl
+++ b/src/soc/amd/stoneyridge/acpi/sb_pci0_fch.asl
@@ -14,6 +14,8 @@
* GNU General Public License for more details.
*/
+External(\_SB.ALIB, MethodObj)
+
/* System Bus */
/* _SB.PCI0 */
@@ -138,7 +140,7 @@ Method(_CRS, 0) {
* 2. Get PCI Interrupt routing from ACPI VSM, this
* value is based on user choice in BIOS setup.
*/
-Method(_INI, 0) {
+Method(_INI, 0, Serialized) {
/* DBGO("\\_SB\\_INI\n") */
/* DBGO(" DSDT.ASL code from ") */
/* DBGO(__DATE__) */
@@ -154,6 +156,17 @@ Method(_INI, 0) {
/* Determine the OS we're running on */
OSFL()
+
+ /* Send ALIB Function 1 the AC/DC state */
+ Name(F1BF, Buffer(0x03){})
+ CreateWordField(F1BF, 0, F1SZ)
+ CreateByteField(F1BF, 2, F1DA)
+
+ Store(3, F1SZ)
+ Store(\PWRS, F1DA)
+
+ \_SB.ALIB(1, F1BF)
+
} /* End Method(_SB._INI) */
Method(OSFL, 0){