linux-kernel - Re: [RFC PATCH V2 2/2] introduce ACPI ALS device driver

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Message-ID: <20090806185235.GA28664@kroah.com>
Date:	Thu, 6 Aug 2009 11:52:35 -0700
From:	Greg KH <greg@...ah.com>
To:	Zhang Rui <rui.zhang@...el.com>
Cc:	linux-acpi <linux-acpi@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Pavel Machek <pavel@....cz>,
	Richard Purdie <rpurdie@...ys.net>,
	Matthew Wilcox <matthew@....cx>, Len Brown <lenb@...nel.org>,
	Bjorn Helgaas <bjorn.helgaas@...com>,
	"Valdis.Kletnieks@...edu" <Valdis.Kletnieks@...edu>
Subject: Re: [RFC PATCH V2 2/2] introduce ACPI ALS device driver

On Thu, Aug 06, 2009 at 04:31:40PM +0800, Zhang Rui wrote:
> 
> ACPI spec defines ACPI Ambient Light Sensor device (hid ACPI0008),
> which provides a standard interface by which the OS may query properties
> of the ambient light environment the system is currently operating in,
> as well as the ability to detect meaningful changes in these values when the
> environment changes.

If you are adding new sysfs files, they need to be documented in
Documentation/ABI at the same time.  Please do that for these.

thanks,

greg k-h
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