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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

      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 [PATCH] toshiba_acpi: Add support for transflective LCD 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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