[kernel] r19590 - in dists/sid/linux/debian: . patches patches/bugfix/x86

[Ben Hutchings]

Author: benh
Date: Sun Dec  9 18:54:48 2012
New Revision: 19590

Log:
[x86] ACPI / video: ignore BIOS initial backlight value for HP Folio 13-2000 (Closes: #692361)

Added:
   dists/sid/linux/debian/patches/bugfix/x86/ACPI-video-ignore-BIOS-initial-backlight-value-for-H.patch
Modified:
   dists/sid/linux/debian/changelog
   dists/sid/linux/debian/patches/series

Modified: dists/sid/linux/debian/changelog
==============================================================================
--- dists/sid/linux/debian/changelog	Sun Dec  9 17:13:28 2012	(r19589)
+++ dists/sid/linux/debian/changelog	Sun Dec  9 18:54:48 2012	(r19590)
@@ -91,6 +91,8 @@
   * udeb: Add pata_piccolo to pata-modules (Closes: #695437)
   * firmware_class: Log every success and failure against given device
   * firmware: Remove redundant log messages from drivers
+  * [x86] ACPI / video: ignore BIOS initial backlight value for
+    HP Folio 13-2000 (Closes: #692361)
 
   [ Ian Campbell ]
   * [xen] add support for microcode updating. (Closes: #693053)

Added: dists/sid/linux/debian/patches/bugfix/x86/ACPI-video-ignore-BIOS-initial-backlight-value-for-H.patch
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ dists/sid/linux/debian/patches/bugfix/x86/ACPI-video-ignore-BIOS-initial-backlight-value-for-H.patch	Sun Dec  9 18:54:48 2012	(r19590)
@@ -0,0 +1,49 @@
+From: Zhang Rui <rui.zhang at intel.com>
+Date: Tue, 4 Dec 2012 23:30:19 +0100
+Subject: ACPI / video: ignore BIOS initial backlight value for HP Folio
+ 13-2000
+
+commit 129ff8f8d58297b04f47b5d6fad81aa2d08404e1 upstream.
+
+Or else the laptop will boot with a dimmed screen.
+
+References: https://bugzilla.kernel.org/show_bug.cgi?id=51141
+Tested-by: Stefan Nagy <public at stefan-nagy.at>
+Signed-off-by: Zhang Rui <rui.zhang at intel.com>
+Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki at intel.com>
+---
+ drivers/acpi/video.c |   14 ++++++++++++++
+ 1 file changed, 14 insertions(+)
+
+diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
+index 0230cb6..ac9a69c 100644
+--- a/drivers/acpi/video.c
++++ b/drivers/acpi/video.c
+@@ -389,6 +389,12 @@ static int __init video_set_bqc_offset(const struct dmi_system_id *d)
+ 	return 0;
+ }
+ 
++static int video_ignore_initial_backlight(const struct dmi_system_id *d)
++{
++	use_bios_initial_backlight = 0;
++	return 0;
++}
++
+ static struct dmi_system_id video_dmi_table[] __initdata = {
+ 	/*
+ 	 * Broken _BQC workaround http://bugzilla.kernel.org/show_bug.cgi?id=13121
+@@ -433,6 +439,14 @@ static struct dmi_system_id video_dmi_table[] __initdata = {
+ 		DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7720"),
+ 		},
+ 	},
++	{
++	 .callback = video_ignore_initial_backlight,
++	 .ident = "HP Folio 13-2000",
++	 .matches = {
++		DMI_MATCH(DMI_BOARD_VENDOR, "Hewlett-Packard"),
++		DMI_MATCH(DMI_PRODUCT_NAME, "HP Folio 13 - 2000 Notebook PC"),
++		},
++	},
+ 	{}
+ };
+ 

Modified: dists/sid/linux/debian/patches/series
==============================================================================
--- dists/sid/linux/debian/patches/series	Sun Dec  9 17:13:28 2012	(r19589)
+++ dists/sid/linux/debian/patches/series	Sun Dec  9 18:54:48 2012	(r19590)
@@ -420,3 +420,5 @@
 
 bugfix/all/firmware_class-log-every-success-and-failure.patch
 bugfix/all/firmware-remove-redundant-log-messages-from-drivers.patch
+
+bugfix/x86/ACPI-video-ignore-BIOS-initial-backlight-value-for-H.patch