linux-kernel - Re: [PATCH 2/4] misc: add LM3533 ambient light sensor driver

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Message-ID: <20120420155734.GE8327@kroah.com>
Date:	Fri, 20 Apr 2012 08:57:34 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	Johan Hovold <jhovold@...il.com>
Cc:	Richard Purdie <rpurdie@...ys.net>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Arnd Bergmann <arnd@...db.de>,
	Florian Tobias Schandinat <FlorianSchandinat@....de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-fbdev@...r.kernel.org
Subject: Re: [PATCH 2/4] misc: add LM3533 ambient light sensor driver

On Fri, Apr 20, 2012 at 05:30:24PM +0200, Johan Hovold wrote:
> Add sub-driver for the ambient light sensor in National Semiconductor /
> TI LM3533 lighting power chips.
> 
> Raw ADC values as well as current ALS zone can be retrieved through
> sysfs. The ALS zone can also be read using a character device
> (/dev/lm3533-als) which is updated on zone changes (interrupt driven or
> polled).
> 
> The driver provides a configuration interface through sysfs.

Which seems to not be documented at all :(

What about using the iio interface for this instead?  Doesn't that
already provide this standard interface you are looking for?

thanks,

greg k-h
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