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Revert "ACPI / video: change acpi-video brightness_switch_enabled default to 0"

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This reverts commit 886129a8ee (ACPI / video: change acpi-video
brightness_switch_enabled default to 0) as it is reported to cause
problems to happen.

Fixes: 886129a8ee (ACPI / video: change acpi-video brightness_switch_enabled default to 0)
Link: http://marc.info/?l=linux-acpi&m=140534286826819&w=2
Reported by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Rafael J. Wysocki 2014-07-14 19:35:45 +02:00
parent 1795cd9b3a
commit 2843768b70
2 changed files with 2 additions and 2 deletions
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2
Documentation/kernel-parameters.txt
View File

@ -3526,7 +3526,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
the allocated input device; If set to 0, video driver
will only send out the event without touching backlight
brightness level.
default: 0
default: 1
virtio_mmio.device=
[VMMIO] Memory mapped virtio (platform) device.

2
drivers/acpi/video.c
View File

@ -68,7 +68,7 @@ MODULE_AUTHOR("Bruno Ducrot");
MODULE_DESCRIPTION("ACPI Video Driver");
MODULE_LICENSE("GPL");
static bool brightness_switch_enabled;
static bool brightness_switch_enabled = 1;
module_param(brightness_switch_enabled, bool, 0644);
/*