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Commit c019b193 authored by Alexey Starikovskiy's avatar Alexey Starikovskiy Committed by Len Brown
Browse files

ACPI: EC: Fix "no battery" regression 

Restore deleted call to register query methods.

http://bugzilla.kernel.org/show_bug.cgi?id=8886



Signed-off-by: default avatarAlexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent 39d3520c

drivers/acpi/ec.c

+17 −0
Original line number Diff line number Diff line
@@ -651,6 +651,19 @@ static struct acpi_ec *make_acpi_ec(void) 
	return ec;

}



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)

{
@@ -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);