From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Akio Idehara <zbe64533@gmail.com>
Cc: platform-driver-x86@vger.kernel.org,
linux-kernel@vger.kernel.org, Charles@schwieters.org,
corentin.chary@gmail.com, seth.forshee@canonical.com
Subject: Re: [PATCH] toshiba_acpi: Add support for transflective LCD
Date: Tue, 13 Mar 2012 17:07:10 +0000 [thread overview]
Message-ID: <20120313170710.GB17110@srcf.ucam.org> (raw)
In-Reply-To: <4F5F7E2F.30305@gmail.com>
On Wed, Mar 14, 2012 at 02:04:47AM +0900, Akio Idehara wrote:
> BTW, I have one question about disabling backlight interface.
> My toshiba laptop has three sysfs backlight interfaces,
> "acpi_video0", "intel_backlight" and "toshiba".
> Fedora16 is always using "acpi_video0" interface.
> If I add acpi_backlight=vendor in boot param,
> then Fedora16 uses "intel_backlight".
> # "toshiba" is lowest priority.
> So I want to know how to disable "intel_backlight" interface.
> Or enable "toshiba" interface only.
There's no general way to - the acpi interface, if present, should
always be the preferred one. Hooking the transflective control into that
is going to be more difficult.
--
Matthew Garrett | mjg59@srcf.ucam.org
prev parent reply other threads:[~2012-03-13 17:07 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-17 22:04 Akio Idehara
2012-02-22 22:43 ` Seth Forshee
2012-02-23 14:55 ` Akio Idehara
2012-03-12 14:11 ` Matthew Garrett
2012-03-12 14:27 ` Corentin Chary
2012-03-13 17:04 ` Akio Idehara
2012-03-13 17:07 ` Matthew Garrett [this message]
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