linux-kernel - Re: [NEW DRIVER V6 6/7] drivers/hwmon: DA9058 HWMON driver

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Message-ID: <20130422023045.GA31508@roeck-us.net>
Date:	Sun, 21 Apr 2013 19:30:45 -0700
From:	Guenter Roeck <linux@...ck-us.net>
To:	"Opensource [Anthony Olech]" <anthony.olech.opensource@...semi.com>
Cc:	Lars-Peter Clausen <lars@...afoo.de>,
	Jean Delvare <khali@...ux-fr.org>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Randy Dunlap <rdunlap@...otime.net>,
	"lm-sensors@...sensors.org" <lm-sensors@...sensors.org>,
	LKML <linux-kernel@...r.kernel.org>,
	David Dajun Chen <david.chen@...semi.com>
Subject: Re: [NEW DRIVER V6 6/7] drivers/hwmon: DA9058 HWMON driver

On Mon, Apr 22, 2013 at 01:14:26AM +0000, Opensource [Anthony Olech] wrote:
> > -----Original Message-----
> > From: Guenter Roeck [mailto:linux@...ck-us.net]
> > Sent: 20 April 2013 18:35
> > To: Lars-Peter Clausen
> > Cc: Opensource [Anthony Olech]; Jean Delvare; Mark Brown; Randy Dunlap;
> > lm-sensors@...sensors.org; LKML; David Dajun Chen
> > Subject: Re: [NEW DRIVER V6 6/7] drivers/hwmon: DA9058 HWMON driver
> > On Fri, Apr 19, 2013 at 08:25:02PM +0200, Lars-Peter Clausen wrote:
> > > Same comment as before, I'd like to see this using the generic IIO to
> > > HWMON bridge instead of recreating it.
> > ... and I agree. Seems we are getting more and more of those, and at some
> > point it makes really sense to find a generic solution.
> > Anthony, can you please look into that ?
> > Thanks,
> > Guenter
> 
> OK -- generic IIO to HWMON bridge
> 
> I will investigate - but if you know any prototypes or any useful starting point could you let me know as I don't want to re-invent the wheel.
> 
The idea is that you would implement an IIO ADC driver (drivers/iio/adc has lots
of examples). The IIO to HWMON bridge already exists (drivers/hwmon/iio_hwmon.c
in linux-next or drivers/staging/iio/iio_hwmon.c in mainline). Setting it up
would then then a matter of platform data or device tree data.

Thanks,
Guenter
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