diff options
Diffstat (limited to 'src/arch/x86/acpigen.c')
| -rw-r--r-- | src/arch/x86/acpigen.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/arch/x86/acpigen.c b/src/arch/x86/acpigen.c index 10a4e1ee8f..867c809a45 100644 --- a/src/arch/x86/acpigen.c +++ b/src/arch/x86/acpigen.c @@ -1221,6 +1221,21 @@ void acpigen_write_return_string(const char *arg) acpigen_write_string(arg); } +void acpigen_write_upc(enum acpi_upc_type type) +{ + acpigen_write_name("_UPC"); + acpigen_write_package(4); + /* Connectable */ + acpigen_write_byte(type == UPC_TYPE_UNUSED ? 0 : 0xff); + /* Type */ + acpigen_write_byte(type); + /* Reserved0 */ + acpigen_write_zero(); + /* Reserved1 */ + acpigen_write_zero(); + acpigen_pop_len(); +} + void acpigen_write_dsm(const char *uuid, void (**callbacks)(void *), size_t count, void *arg) { |