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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: Alexey Starikovskiy <astarikovskiy@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Alexey Starikovskiy 2007-08-14 01:03:42 -04:00 committed by Len Brown
parent 39d3520c92
commit c019b19330
1 changed files with 17 additions and 0 deletions
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17
drivers/acpi/ec.c
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@ -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);