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-rw-r--r--src/acpi/acpigen.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/src/acpi/acpigen.c b/src/acpi/acpigen.c
index d613becbc3..94a6f908a9 100644
--- a/src/acpi/acpigen.c
+++ b/src/acpi/acpigen.c
@@ -2364,3 +2364,17 @@ void acpigen_write_delay_until_namestr_int(uint32_t wait_ms, const char *name, u
acpigen_emit_byte(LOCAL7_OP);
acpigen_pop_len(); /* While */
}
+
+void acpigen_ssdt_override_sleep_states(bool enable_s1, bool enable_s2, bool enable_s3,
+ bool enable_s4)
+{
+ assert(!(enable_s1 && CONFIG(ACPI_S1_NOT_SUPPORTED)));
+ assert(!(enable_s3 && !CONFIG(HAVE_ACPI_RESUME)));
+ assert(!(enable_s4 && CONFIG(DISABLE_ACPI_HIBERNATE)));
+
+ acpigen_write_scope("\\");
+ uint32_t sleep_enable = (enable_s1 << 0) | (enable_s2 << 1)
+ | (enable_s3 << 2) | (enable_s4 << 3);
+ acpigen_write_name_dword("OSFG", sleep_enable);
+ acpigen_pop_len();
+}