ACPICA: Add post-order callback to acpi_walk_namespace

The existing interface only has a pre-order callback. This change
adds an additional parameter for a post-order callback which will
be more useful for bus scans. ACPICA BZ 779.

Also update the external calls to acpi_walk_namespace.

http://www.acpica.org/bugzilla/show_bug.cgi?id=779

Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 575593a8b4e6..8c1b431616df 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -101,7 +101,7 @@ long acpi_is_video_device(struct acpi_device *device)
         /* Only check for backlight functionality if one of the above hit. */
         if (video_caps)
                 acpi_walk_namespace(ACPI_TYPE_DEVICE, device->handle,
-                                    ACPI_UINT32_MAX, acpi_backlight_cap_match,
+                                    ACPI_UINT32_MAX, acpi_backlight_cap_match, NULL,
                                     &video_caps, NULL);
 
         return video_caps;
@@ -151,7 +151,7 @@ long acpi_video_get_capabilities(acpi_handle graphics_handle)
         if (!graphics_handle) {
                 /* Only do the global walk through all graphics devices once */
                 acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
-                                    ACPI_UINT32_MAX, find_video,
+                                    ACPI_UINT32_MAX, find_video, NULL,
                                     &caps, NULL);
                 /* There might be boot param flags set already... */
                 acpi_video_support |= caps;
@@ -173,7 +173,7 @@ long acpi_video_get_capabilities(acpi_handle graphics_handle)
                         return 0;
                 }
                 acpi_walk_namespace(ACPI_TYPE_DEVICE, graphics_handle,
-                                    ACPI_UINT32_MAX, find_video,
+                                    ACPI_UINT32_MAX, find_video, NULL,
                                     &caps, NULL);
         }
         ACPI_DEBUG_PRINT((ACPI_DB_INFO, "We have 0x%lX video support %s %s\n",