This is a note to let you know that I've just added the patch titled
ACPI / video: Disable native_backlight on HP ENVY 15 Notebook PC
to the 3.16-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
acpi-video-disable-native_backlight-on-hp-envy-15-notebook-pc.patch
and it can be found in the queue-3.16 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.
>From 84c34858a85ecf9dabd72847d860c7d3fb7536e7 Mon Sep 17 00:00:00 2001
From: Hans de Goede <[email protected]>
Date: Thu, 28 Aug 2014 10:20:47 +0200
Subject: ACPI / video: Disable native_backlight on HP ENVY 15 Notebook PC
From: Hans de Goede <[email protected]>
commit 84c34858a85ecf9dabd72847d860c7d3fb7536e7 upstream.
Link: https://bugs.freedesktop.org/show_bug.cgi?id=81515
Reported-and-tested-by: Hohahiu <[email protected]>
Signed-off-by: Hans de Goede <[email protected]>
Signed-off-by: Rafael J. Wysocki <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
drivers/acpi/video.c | 11 +++++++++++
1 file changed, 11 insertions(+)
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -675,6 +675,17 @@ static struct dmi_system_id video_dmi_ta
DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T520"),
},
},
+
+ /* The native backlight controls do not work on some older machines */
+ {
+ /* https://bugs.freedesktop.org/show_bug.cgi?id=81515 */
+ .callback = video_disable_native_backlight,
+ .ident = "HP ENVY 15 Notebook",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP ENVY 15 Notebook PC"),
+ },
+ },
{}
};
Patches currently in stable-queue which might be from [email protected] are
queue-3.16/acpi-video-disable-native_backlight-on-hp-envy-15-notebook-pc.patch
queue-3.16/acpi-video-fix-use_native_backlight-selection-logic.patch
queue-3.16/acpi-video-add-a-disable_native_backlight-quirk.patch
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