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| author | Lin Ming <ming.m.lin@intel.com> | 2009-11-13 10:06:08 +0800 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2009-11-24 21:31:10 -0500 |
| commit | 2263576cfc6e8f6ab038126c3254404b9fcb1c33 (patch) | |
| tree | 1c1bd06cc5d89978a23a19d549764d3dc8c7c6c4 /drivers/acpi/video_detect.c | |
| parent | 7d5d05d0704127c9acd24090c14731c111bd0af1 (diff) | |
| download | lwn-2263576cfc6e8f6ab038126c3254404b9fcb1c33.tar.gz lwn-2263576cfc6e8f6ab038126c3254404b9fcb1c33.zip | |
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>
Diffstat (limited to 'drivers/acpi/video_detect.c')
| -rw-r--r-- | drivers/acpi/video_detect.c | 6 |
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", |