linux-kernel - Re: [PATCH V5 1/2] introduce ALS sysfs class

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Message-ID: <20090831090207.GD11117@elf.ucw.cz>
Date:	Mon, 31 Aug 2009 11:02:07 +0200
From:	Pavel Machek <pavel@....cz>
To:	Zhang Rui <rui.zhang@...el.com>
Cc:	Len Brown <lenb@...nel.org>,
	linux-acpi <linux-acpi@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Greg KH <greg@...ah.com>
Subject: Re: [PATCH V5 1/2] introduce ALS sysfs class

On Mon 2009-08-31 16:48:57, Zhang Rui wrote:
> On Mon, 2009-08-31 at 16:34 +0800, Pavel Machek wrote:
> > Hi!
> > 
> > > @@ -0,0 +1,32 @@
> > > +What:		/sys/class/als/als[0-N]/desc
> > > +Date:		Aug. 2009
> > > +KernelVersion:	2.6.32
> > > +Contact:	Zhang Rui <rui.zhang@...el.com>
> > > +Description:	Strings which descibes the current Ambient Light Sensor
> > > +		device. This is given by native ALS driver as part of
> > > +		registration. e.g: "acpi_als" for ACPI ALS devices.
> > > +		RO
> > 
> > Normal way to do that (backlight class does it, for example) is to
> > have acpi_als instead of als0, and get rid of desc field.
> 
> IMO, both are okay, hard to say which is preferred.
> Other sysfs classes like scsi_host, hwmon, input use this as well.
> and you don't have a really strong objection to this, right? :)

Actually I do. Inventing nonsensical als17 name, then having helpful
desc explaining it is acpi_als is pretty ugly...
									Pavel

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