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-rw-r--r--lib/acpi/acpigen.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/lib/acpi/acpigen.c b/lib/acpi/acpigen.c
index 4fd29ccb81..70d734245b 100644
--- a/lib/acpi/acpigen.c
+++ b/lib/acpi/acpigen.c
@@ -328,6 +328,28 @@ int acpigen_write_uuid(struct acpi_ctx *ctx, const char *uuid)
return 0;
}
+void acpigen_write_power_res(struct acpi_ctx *ctx, const char *name, uint level,
+ uint order, const char *const dev_states[],
+ size_t dev_states_count)
+{
+ size_t i;
+
+ for (i = 0; i < dev_states_count; i++) {
+ acpigen_write_name(ctx, dev_states[i]);
+ acpigen_write_package(ctx, 1);
+ acpigen_emit_simple_namestring(ctx, name);
+ acpigen_pop_len(ctx); /* Package */
+ }
+
+ acpigen_emit_ext_op(ctx, POWER_RES_OP);
+
+ acpigen_write_len_f(ctx);
+
+ acpigen_emit_simple_namestring(ctx, name);
+ acpigen_emit_byte(ctx, level);
+ acpigen_emit_word(ctx, order);
+}
+
/* Sleep (ms) */
void acpigen_write_sleep(struct acpi_ctx *ctx, u64 sleep_ms)
{