From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?Ga=c3=abtan_Carlier?= Subject: Re: Add driver for MCP45HV51 (digital potentiometer) Date: Wed, 3 Jan 2018 19:38:31 +0100 Message-ID: References: <17da226a-247b-153a-6743-3e33264a1f0c@gmail.com> <20180103175628.GA31502@amd> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Return-path: Received: from mail-wm0-f47.google.com ([74.125.82.47]:45441 "EHLO mail-wm0-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750864AbeACSie (ORCPT ); Wed, 3 Jan 2018 13:38:34 -0500 Received: by mail-wm0-f47.google.com with SMTP id 9so4258184wme.4 for ; Wed, 03 Jan 2018 10:38:34 -0800 (PST) In-Reply-To: <20180103175628.GA31502@amd> Content-Language: en-US Sender: linux-leds-owner@vger.kernel.org List-Id: linux-leds@vger.kernel.org To: Pavel Machek Cc: linux-leds@vger.kernel.org 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... > > Pavel > 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 ? Best regards, Gaëtan.