diff options
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/ec.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 2300d81bbc4..56bee9e065c 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -652,6 +652,19 @@ static struct acpi_ec *make_acpi_ec(void) } static acpi_status +acpi_ec_register_query_methods(acpi_handle handle, u32 level, + void *context, void **return_value) +{ + struct acpi_namespace_node *node = handle; + struct acpi_ec *ec = context; + int value = 0; + if (sscanf(node->name.ascii, "_Q%x", &value) == 1) { + acpi_ec_add_query_handler(ec, value, handle, NULL, NULL); + } + return AE_OK; +} + +static acpi_status ec_parse_device(acpi_handle handle, u32 Level, void *context, void **retval) { acpi_status status; @@ -668,6 +681,10 @@ ec_parse_device(acpi_handle handle, u32 Level, void *context, void **retval) if (ACPI_FAILURE(status)) return status; + /* Find and register all query methods */ + acpi_walk_namespace(ACPI_TYPE_METHOD, handle, 1, + acpi_ec_register_query_methods, ec, NULL); + /* Use the global lock for all EC transactions? */ acpi_evaluate_integer(handle, "_GLK", NULL, &ec->global_lock); |