1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/acpi/acpica/acpredef.h b/drivers/acpi/acpica/acpredef.h
index c5bfadf5294a..bd3908d26c4f 100644
--- a/drivers/acpi/acpica/acpredef.h
+++ b/drivers/acpi/acpica/acpredef.h
@@ -370,6 +370,9 @@ const union acpi_predefined_info acpi_gbl_predefined_methods[] = {
         {{"_CBA", METHOD_0ARGS,
           METHOD_RETURNS(ACPI_RTYPE_INTEGER)}}, /* See PCI firmware spec 3.0 */
 
+        {{"_CCA", METHOD_0ARGS,
+          METHOD_RETURNS(ACPI_RTYPE_INTEGER)}}, /* ACPI 5.1 */
+
         {{"_CDM", METHOD_0ARGS,
           METHOD_RETURNS(ACPI_RTYPE_INTEGER)}},