[gentoo-commits] linux-patches r2789 - genpatches-2.6/trunk/3.4

[gentoo-commits] linux-patches r2789 - genpatches-2.6/trunk/3.4

[Tom Wijsman (tomwij)]

Author: tomwij
Date: 2014-05-15 18:55:59 +0000 (Thu, 15 May 2014)
New Revision: 2789

Added:
   genpatches-2.6/trunk/3.4/2700_thinkpad-acpi_fix-issuing-duplicated-keyevents-for-brightness.patch
Modified:
   genpatches-2.6/trunk/3.4/0000_README
Log:
Add Thinkpad ACPI backport brightness control fix; fixes bug #508146, reported by Andreas Sturmlechner.

Modified: genpatches-2.6/trunk/3.4/0000_README
===================================================================
--- genpatches-2.6/trunk/3.4/0000_README	2014-05-15 13:30:10 UTC (rev 2788)
+++ genpatches-2.6/trunk/3.4/0000_README	2014-05-15 18:55:59 UTC (rev 2789)
@@ -427,6 +427,10 @@
 From:   Seth Forshee <seth.forshee@canonical.com>
 Desc:   ACPI: Disable Windows 8 compatibility for some Lenovo ThinkPads
 
+Patch:  2700_thinkpad-acpi_fix-issuing-duplicated-keyevents-for-brightness.patch
+From:   http://www.spinics.net/lists/ibm-acpi-devel/msg02805.html
+Desc:   thinkpad-acpi: fix issuing duplicated key events for brightness up/down
+
 Patch:  4200_fbcondecor-0.9.6.patch
 From:   http://dev.gentoo.org/~spock
 Desc:   Bootsplash successor by Michal Januszewski ported by Alexxy

Added: genpatches-2.6/trunk/3.4/2700_thinkpad-acpi_fix-issuing-duplicated-keyevents-for-brightness.patch
===================================================================
--- genpatches-2.6/trunk/3.4/2700_thinkpad-acpi_fix-issuing-duplicated-keyevents-for-brightness.patch	                        (rev 0)
+++ genpatches-2.6/trunk/3.4/2700_thinkpad-acpi_fix-issuing-duplicated-keyevents-for-brightness.patch	2014-05-15 18:55:59 UTC (rev 2789)
@@ -0,0 +1,26 @@
+The tp_features.bright_acpimode will not be set correctly for brightness
+control because ACPI_VIDEO_HID will not be located in ACPI. As a result,
+a duplicated key event will always be sent. acpi_video_backlight_support()
+is sufficient to detect standard ACPI brightness control.
+
+Signed-off-by: Alex Hung <alex.hung@xxxxxxxxxxxxx>
+---
+ drivers/platform/x86/thinkpad_acpi.c |    2 +-
+ 1 files changed, 1 insertions(+), 1 deletions(-)
+
+diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c
+index 7b82868..7d032d5 100644
+--- a/drivers/platform/x86/thinkpad_acpi.c
++++ b/drivers/platform/x86/thinkpad_acpi.c
+@@ -3405,7 +3405,7 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
+ 	/* Do not issue duplicate brightness change events to
+ 	 * userspace. tpacpi_detect_brightness_capabilities() must have
+ 	 * been called before this point  */
+-	if (tp_features.bright_acpimode && acpi_video_backlight_support()) {
++	if (acpi_video_backlight_support()) {
+ 		pr_info("This ThinkPad has standard ACPI backlight "
+ 			"brightness control, supported by the ACPI "
+ 			"video driver\n");
+-- 
+1.7.0.4
+