Re: [PATCH v4 0/2] adding support for Microchip PAC193X Power Monitor

From: Jonathan Cameron
Date: Mon Jan 22 2024 - 14:29:05 EST


On Mon, 22 Jan 2024 06:57:32 -0800
Guenter Roeck <linux@xxxxxxxxxxxx> wrote:

> On 1/22/24 00:47, marius.cristea@xxxxxxxxxxxxx wrote:
> > From: Marius Cristea <marius.cristea@xxxxxxxxxxxxx>
> >
> > Adding support for Microchip PAC193X series of Power Monitor with
> > Accumulator chip family. This driver covers the following part numbers:
> > - PAC1931, PAC1932, PAC1933 and PAC1934
> >
> > This device is at the boundary between IIO and HWMON (if you are
> > looking just at the "shunt resistors, vsense, power, energy"). The
> > device also has ADC internally that can measure voltages (up to 4
> > channels) and also currents (up to 4 channels). The current is measured as
> > voltage across the shunt_resistor.
> >
> > I have started with a simple driver (this one that is more appropriate to be
> > a HWMON) and willing to add more functionality later (like data buffering that
>
> Not sure I understand what you are trying to say here. This is obviously an iio
> driver, not a hwmon driver. Any hwmon related concern is irrelevant.

It's a left over comment / attempt to summarise the discussion of whether IIO
or HWMON was a better home for a driver for this device. Based on current
feature set that's not an obvious decision, but there are other planned features
that fit better in IIO.


>
> Guenter
>