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-rw-r--r--libre/linux-libre/3.4.4-fix-backlight-regression.patch38
1 files changed, 0 insertions, 38 deletions
diff --git a/libre/linux-libre/3.4.4-fix-backlight-regression.patch b/libre/linux-libre/3.4.4-fix-backlight-regression.patch
deleted file mode 100644
index a0cf0b1db..000000000
--- a/libre/linux-libre/3.4.4-fix-backlight-regression.patch
+++ /dev/null
@@ -1,38 +0,0 @@
-Subject: Still use ACPI backlight control if _DOS doesn't exist
-
-This is a regression introduced by commit
-ea9f8856bd6d4ed45885b06a338f7362cd6c60e5
-
-https://bugzilla.kernel.org/show_bug.cgi?id=43168
-
-Some platforms don't have _DOS control method, but the ACPI
-backlight still works.
-We do not want to lose the backlight control ability on these platforms.
-
-CC : Igor Murzov <intergalactic.anonymous@gmail.com>
-Signed-off-by: Zhang Rui <rui.zhang@intel.com>
----
- drivers/acpi/video.c | 10 ++++++++--
- 1 file changed, 8 insertions(+), 2 deletions(-)
-
-Index: rtd3/drivers/acpi/video.c
-===================================================================
---- rtd3.orig/drivers/acpi/video.c
-+++ rtd3/drivers/acpi/video.c
-@@ -565,8 +565,14 @@ acpi_video_bus_DOS(struct acpi_video_bus
- video->dos_setting = arg0.integer.value;
- status = acpi_evaluate_object(video->device->handle, "_DOS",
- &args, NULL);
-- if (ACPI_FAILURE(status))
-- return -EIO;
-+ if (ACPI_FAILURE(status)) {
-+ /*
-+ * some platforms don't have _DOS, but the ACPI
-+ * backlight control still works
-+ */
-+ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No _DOS\n"));
-+ return 0;
-+ }
-
- return 0;
- }