[PATCH 3/4] acpi-video: Disable native_backlight on HP ENVY 15 Notebook PC
From: Hans de Goede <hidden>
Date: 2014-08-28 08:21:07
Subsystem:
acpi, the rest · Maintainers:
"Rafael J. Wysocki", Linus Torvalds
https://bugs.freedesktop.org/show_bug.cgi?id=81515 Reported-and-tested-by: Hohahiu <redacted> Cc: stable@vger.kernel.org # 3.16 Signed-off-by: Hans de Goede <redacted> --- drivers/acpi/video.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index dd5c302..fcbda10 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c@@ -750,6 +750,17 @@ static struct dmi_system_id video_dmi_table[] __initdata = { 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"), + }, + }, {} };
--
2.1.0