From: Pavel Machek <pavel@ucw.cz>
To: Zhang Rui <rui.zhang@intel.com>
Cc: Greg KH <greg@kroah.com>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-acpi <linux-acpi@vger.kernel.org>,
Len Brown <lenb@kernel.org>
Subject: Re: [PATCH V4 1/2] introduce ALS sysfs class
Date: Tue, 25 Aug 2009 10:45:01 +0200 [thread overview]
Message-ID: <20090825084501.GL29763@elf.ucw.cz> (raw)
In-Reply-To: <1251184693.3483.95.camel@rzhang-dt>
On Tue 2009-08-25 15:18:13, Zhang Rui wrote:
>
> ???Introduce ALS sysfs class.
>
> ALS sysfs class provides a standard sysfs interface for
> Ambient Light Sensor devices.
>
> please read Documentation/ABI/testing/sysfs-class-als for
> detailed sysfs designs.
>
> Signed-off-by: Zhang Rui <rui.zhang@intel.com>
ACK.
> +What: /sys/class/als/als[0-N]/display_adjustment
> +Date: Aug. 2009
> +KernelVersion: 2.6.32
> +Contact: Zhang Rui <rui.zhang@intel.com>
> +Description: a relative percentages in order simplify the means
> + by which these adjustments are applied in lieu of
> + changes to the user???s display brightness preference.
> + A value of 100% is used to indicate no display
> + brightness adjustment.
> + Values less than 100% indicate a negative adjustment
> + (dimming); values greater than 100% indicate a positive
> + adjustment (brightening).
> + RO
And yes, I like the new interface much better.
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2009-08-25 8:45 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-08-25 7:18 [PATCH V4 1/2] introduce ALS sysfs class Zhang Rui
2009-08-25 8:45 ` Pavel Machek [this message]
2009-08-25 17:47 ` Greg KH
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