From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Zhang Rui <rui.zhang@intel.com>
Cc: "Rafał Miłecki" <zajec5@gmail.com>,
"Linux ACPI" <linux-acpi@vger.kernel.org>,
"Linux Kernel Mailing List" <linux-kernel@vger.kernel.org>,
"Henrique de Moraes Holschuh" <hmh@hmh.eng.br>,
"Richard Purdie" <rpurdie@rpsys.net>
Subject: Re: Backlight device class redesign
Date: Thu, 3 Dec 2009 14:55:02 +0000 [thread overview]
Message-ID: <20091203145502.GA23212@srcf.ucam.org> (raw)
In-Reply-To: <1259827274.27069.50.camel@rzhang1-desktop>
On Thu, Dec 03, 2009 at 04:01:14PM +0800, Zhang Rui wrote:
> IMO, we should create one device for one display.
> For example, device /sys/class/backlight/panel0 is created the first
> time a backlight_ops for this display is registered.
For anything other than the simple case (one display per machine), how
do you know whether the firmware, platform and gpu are referring to the
same display device?
--
Matthew Garrett | mjg59@srcf.ucam.org
prev parent reply other threads:[~2009-12-03 14:55 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-28 0:30 Backlight device class redesign Rafał Miłecki
2009-11-28 10:30 ` Rafał Miłecki
2009-11-28 12:22 ` Henrique de Moraes Holschuh
2009-11-28 12:58 ` Rafał Miłecki
2009-11-28 17:21 ` Henrique de Moraes Holschuh
2009-11-29 20:09 ` Rafał Miłecki
2009-11-29 21:51 ` Rafał Miłecki
2009-11-29 21:51 ` Rafał Miłecki
2009-11-30 0:04 ` Henrique de Moraes Holschuh
2009-12-03 8:01 ` Zhang Rui
2009-12-03 10:52 ` Henrique de Moraes Holschuh
2009-12-04 1:50 ` Zhang Rui
2009-12-03 14:55 ` Matthew Garrett [this message]
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