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

From: Romain Gantois
Date: Mon Nov 24 2025 - 11:03:23 EST


On Monday, 24 November 2025 16:40:37 CET Guenter Roeck wrote:

...

> >

> > Do you think that using the IIO consumer API is not correct here? What

> > other

> >

> > method do you think I should use?

>

> Ok, I had a look into the datasheet. Unless I am missing something, the chip

> doesn't have a digital control or monitoring interface such as I2C or SPI.

>

> At the same time, you copied the hardware monitoring mailing list on this

> summary and on (at least) one of the patches, but apparently not on all of

> them. This lead to my apparently wrong assumption that iio is used to

> monitor (not [just] control) something on the chip. I wrongly assumed that

> IIO is used to report chip status (voltage, current, temperature) using an

> internal DAC. Obviously that was a wrong assumption. Sorry for that.

>

> Apparently you copied the hwmon mailing list for the introduction of an IIO

> namespace and its use in a couple of hwmon drivers in one of the patches.

> My personal opinion is that this should not be part of this series but a

> series of its own. That is just my personal opinion, though.


I understand. I can split it out.


Thanks,


--

Romain Gantois, Bootlin

Embedded Linux and Kernel engineering

https://bootlin.com


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