From: Aaron Lu <aaron.lu@intel.com>
To: "Rafael J. Wysocki" <rjw@sisk.pl>
Cc: Micael Dias <kam1kaz3@gmail.com>, Zhang Rui <rui.zhang@intel.com>,
linux-acpi@vger.kernel.org, Len Brown <lenb@kernel.org>
Subject: [PATCH 1/3] ACPI / video: add description for brightness_switch_enabled
Date: Thu, 20 Jun 2013 15:08:55 +0800 [thread overview]
Message-ID: <1371712137-4019-2-git-send-email-aaron.lu@intel.com> (raw)
In-Reply-To: <1371712137-4019-1-git-send-email-aaron.lu@intel.com>
Add description for video module's parameter brightness_switch_enabled
into kernel-parameters.txt.
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
---
Documentation/kernel-parameters.txt | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 2fe6e76..7f64e0f 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -3229,6 +3229,15 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
video= [FB] Frame buffer configuration
See Documentation/fb/modedb.txt.
+ video.brightness_switch_enabled= [0,1]
+ If set to 1, on receiving an ACPI notify event
+ generated by hotkey, video driver will adjust brightness
+ level and then send out the event to user space through
+ the allocated input device; If set to 0, video driver
+ will only send out the event without touching backlight
+ brightness level.
+ default: 1
+
virtio_mmio.device=
[VMMIO] Memory mapped virtio (platform) device.
--
1.8.3.3.gfada522
next prev parent reply other threads:[~2013-06-20 7:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-06-20 7:08 [PATCH 0/3] ACPI video driver document update Aaron Lu
2013-06-20 7:08 ` Aaron Lu [this message]
2013-06-20 7:08 ` [PATCH 2/3] ACPI / video: move video_extension.txt to Documentation/acpi Aaron Lu
2013-06-20 7:08 ` [PATCH 3/3] ACPI / video: update video_extension.txt for backlight control Aaron Lu
2013-06-24 12:01 ` [PATCH 0/3] ACPI video driver document update Rafael J. Wysocki
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