diff options
Diffstat (limited to 'src/soc')
| -rw-r--r-- | src/soc/intel/common/block/acpi/pep.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/soc/intel/common/block/acpi/pep.c b/src/soc/intel/common/block/acpi/pep.c index cd1030cb8e..2ba9f94573 100644 --- a/src/soc/intel/common/block/acpi/pep.c +++ b/src/soc/intel/common/block/acpi/pep.c @@ -16,6 +16,7 @@ #define SYSTEM_POWER_MANAGEMENT_HID "INT33A1" #define SYSTEM_POWER_MANAGEMENT_CID "PNP0D80" #define EC_S0IX_HOOK "\\_SB.PCI0.LPCB.EC0.S0IX" +#define EC_DISPLAY_HOOK "\\_SB.PCI0.LPCB.EC0.EDSX" #define MAINBOARD_HOOK "\\_SB.MS0X" #define MAINBOARD_DISPLAY_HOOK "\\_SB.MDSX" #define ENABLE_PM_BITS_HOOK "\\_SB.PCI0.EGPM" @@ -169,6 +170,12 @@ static void lpi_s0ix_exit(void *unused) static void lpi_display_on(void *unused) { + /* Inform the EC */ + acpigen_write_if_cond_ref_of(EC_DISPLAY_HOOK); + acpigen_emit_namestring(EC_DISPLAY_HOOK); + acpigen_write_integer(1); + acpigen_write_if_end(); + /* Provide a board level S0ix hook */ acpigen_write_if_cond_ref_of(MAINBOARD_DISPLAY_HOOK); acpigen_emit_namestring(MAINBOARD_DISPLAY_HOOK); @@ -178,6 +185,12 @@ static void lpi_display_on(void *unused) static void lpi_display_off(void *unused) { + /* Inform the EC */ + acpigen_write_if_cond_ref_of(EC_DISPLAY_HOOK); + acpigen_emit_namestring(EC_DISPLAY_HOOK); + acpigen_write_integer(0); + acpigen_write_if_end(); + /* Provide a board level S0ix hook */ acpigen_write_if_cond_ref_of(MAINBOARD_DISPLAY_HOOK); acpigen_emit_namestring(MAINBOARD_DISPLAY_HOOK); |