From: Pavel Machek <pavel@ucw.cz>
To: "Gaëtan Carlier" <gcembed@gmail.com>
Cc: linux-leds@vger.kernel.org
Subject: Re: Add driver for MCP45HV51 (digital potentiometer)
Date: Wed, 3 Jan 2018 20:00:26 +0100 [thread overview]
Message-ID: <20180103190026.GA4564@amd> (raw)
In-Reply-To: <b4331c91-b35c-5e02-d70e-daf7cc689442@gmail.com>
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On Wed 2018-01-03 19:38:31, Gaëtan Carlier wrote:
> Hi Pavel,
> On 01/03/2018 06:56 PM, Pavel Machek wrote:
> >Hi!
> >
> >>I want to integrate MCP45HV51 I2C device to Linux kernel. It is a digital
> >>potentiometer.
> >>I have several questions:
> >>- Is "leds driver" the correct section ?
> >>- On which existing I2C leds driver should I base my code to use the most
> >>recent API/pratice ?
> >>- Maybe it is not needed to write a C driver and everything can be done via
> >>devicetree ?
> >
> >Umm. What makes you think that LED driver is correct section? LEDs are
> >little lights...
>
> I know that, but like Led and Backlight, digital potentiometers are just a
> device that needs a 0 to 255 value...
> So I don't know where to put it maybe in IIO driver ?
Is that _output_ device? What does it control?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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next prev parent reply other threads:[~2018-01-03 19:00 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-03 16:08 Add driver for MCP45HV51 (digital potentiometer) Gaëtan Carlier
2018-01-03 17:56 ` Pavel Machek
2018-01-03 18:38 ` Gaëtan Carlier
2018-01-03 19:00 ` Pavel Machek [this message]
2018-01-03 19:25 ` Gaëtan Carlier
2018-01-03 19:37 ` Gaëtan Carlier
2018-01-03 20:02 ` Pavel Machek
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