linux-kernel - Re: [PATCH v4 0/6] Add support for the LTM8054 voltage regulator

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Message-ID: <24527d76-4f6a-4008-a369-23510d492a94@roeck-us.net>
Date: Mon, 24 Nov 2025 06:57:41 -0800
From: Guenter Roeck <linux@...ck-us.net>
To: Romain Gantois <romain.gantois@...tlin.com>,
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 Andy Shevchenko <andriy.shevchenko@...el.com>
Subject: Re: [PATCH v4 0/6] Add support for the LTM8054 voltage regulator

On 11/24/25 06:48, Romain Gantois wrote:
> Hello everyone,
> 
> This is version four of my series which adds initial support of the Linear
> Technology LTM8054 voltage regulator. The driver supports a fixed voltage
> and a tunable output current limit using a DAC-controlled pin.
> 
> I'd say that the most unusual part of this series is the usage of the IIO
> consumer API in a regulator driver. I think this makes sense here, since
> the regulator driver has to access a DAC to read/set the output current
> limit.
> 

I don't think that is a valid reason. Literally every driver measuring voltages
or current uses a DAC to do it. How else would one convert an analog value
into a digital value ?

Guenter