linux-kernel - Re: [PATCH v3] iio: add LM3533 ambient-light-sensor driver

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Date:	Tue, 15 May 2012 21:16:40 +0100
From:	Jonathan Cameron <jic23@...nel.org>
To:	Johan Hovold <jhovold@...il.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Jonathan Cameron <jic23@....ac.uk>,
	Rob Landley <rob@...dley.net>,
	Richard Purdie <rpurdie@...ys.net>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Florian Tobias Schandinat <FlorianSchandinat@....de>,
	Arnd Bergmann <arnd@...db.de>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-iio@...r.kernel.org, devel@...verdev.osuosl.org
Subject: Re: [PATCH v3] iio: add LM3533 ambient-light-sensor driver

On 05/15/2012 09:00 PM, Johan Hovold wrote:
> On Tue, May 15, 2012 at 12:27:05PM -0700, Andrew Morton wrote:
>> On Tue, 15 May 2012 18:46:36 +0200
>> Johan Hovold <jhovold@...il.com> wrote:
>>
>>> Add sub-driver for the ambient-light-sensor interface on National
>>> Semiconductor / TI LM3533 lighting power chips.
>>>
>>> The sensor interface can be used to control the LEDs and backlights of
>>> the chip through defining five light zones and three sets of
>>> corresponding brightness target levels.
>>>
>>> The driver provides raw and mean adc readings along with the current
>>> light zone through sysfs. A threshold event can be generated on zone
>>> changes.
>>>
>>> ...
>>>
>>>  drivers/staging/iio/light/Kconfig                  |   16 +
>>>  drivers/staging/iio/light/Makefile                 |    1 +
>>>  drivers/staging/iio/light/lm3533-als.c             |  726 ++++++++++++++++++++
>>
>> Why is this aimed at drivers/staging/, rather than directly into
>> drivers/iio/?
> 
> I understood it as it was only iio core which was moving out of staging
> in 3.5, but I see now that some drivers have been added directly to
> driver/iio. My mistake.
It was more a case that the core was the priority.  Drivers would if
ready and people had time to do the patches!
> 
> I'll make sure to move it to drivers/iio/light.
Yup, that's sensible for a new driver like this.  I'll be even fussier
about the userspace interfaces though ;)

> 
> Thanks for pointing it out,
> Johan

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