From: Ike Panhc <ike.pan@canonical.com>
To: Corentin Chary <corentin.chary@gmail.com>
Cc: platform-driver-x86@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,
Matthew Garrett <mjg@redhat.com>,
Randy Dunlap <rdunlap@xenotime.net>
Subject: Re: [PATCH 2/3] ideapad: Add nodes in sysfs
Date: Thu, 02 Jun 2011 18:14:53 +0800 [thread overview]
Message-ID: <4DE7629D.80205@canonical.com> (raw)
In-Reply-To: <BANLkTik+-wMXcCgSb8cCWx6wxrT0JgAbpnbGqizCpk+3F6Wx_g@mail.gmail.com>
On 06/02/2011 05:48 PM, Corentin Chary wrote:
> Hi Ike,
> Why do you want to add /sys/devices/platform/ideapad/brightness and
> /sys/devices/platform/ideapad/backlight ?
> Both of these files should be handled by the generic backlight class
> (using brightness and bl_power).
This is within VPC2004. In DSDT they are different device from generic
backlight.
and I try bl_power but can not turning off power of whole LCD. No idea
how screensaver do it, looks like just cut off video signal.
next prev parent reply other threads:[~2011-06-02 10:15 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-06-02 9:22 [PATCH 1/3] ideapad: Use define for cfg bits Ike Panhc
2011-06-02 9:24 ` [PATCH 2/3] ideapad: Add nodes in sysfs Ike Panhc
2011-06-02 9:48 ` Corentin Chary
2011-06-02 10:14 ` Ike Panhc [this message]
2011-06-02 11:22 ` Corentin Chary
2011-06-03 20:21 ` Dmitry Torokhov
2011-06-02 9:24 ` [PATCH 3/3] ideapad: Show negative when no camera Ike Panhc
2011-06-02 9:43 ` Corentin Chary
2011-06-02 10:17 ` Ike Panhc
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