linux-kernel - Re: [PATCH v2 5/9] iio: inkern: Add a helper to query an available minimum raw value

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Date:   Mon, 5 Jun 2023 19:36:36 +0200
From:   Herve Codina <herve.codina@...tlin.com>
To:     Jonathan Cameron <Jonathan.Cameron@...wei.com>
Cc:     Andy Shevchenko <andy.shevchenko@...il.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        "Kuninori Morimoto" <kuninori.morimoto.gx@...esas.com>,
        <alsa-devel@...a-project.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-iio@...r.kernel.org>,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH v2 5/9] iio: inkern: Add a helper to query an available
 minimum raw value

Hi Jonathan, Andy,

On Mon, 5 Jun 2023 18:05:47 +0100
Jonathan Cameron <Jonathan.Cameron@...wei.com> wrote:

> On Mon, 5 Jun 2023 12:45:24 +0300
> Andy Shevchenko <andy.shevchenko@...il.com> wrote:
> 
...
> > > > > +           default:
> > > > > +                   /* FIXME: learn about min for other iio values */    
> > > >
> > > > I believe in a final version this comment won't be here.    
> > >
> > > We have the same FIXME comment in the iio_channel_read_max() function I
> > > copied to create this iio_channel_read_min() and, to be honest, I
> > > don't really know how to handle these other cases.
> > >
> > > In this series, I would prefer to keep this FIXME.    
> > 
> > I see, Jonathan needs to be involved here then.  
> 
> It's really more of a TODO when someone needs it than a FIXME.
> I'm not particularly keen to see a bunch of code supporting cases
> that no one uses, but it's useful to call out where the code would
> go if other cases were to be supported.
> 
> Perhaps soften it to a note that doesn't have the work FIXME in it.
> 
> Jonathan
> 

Right, I will change to /* TODO: learn about max for other iio values */
in the next iteration (both iio_channel_read_max() and iio_channel_read_min())

Regards,
Hervé

> 
> >   
> > > > > +                   return -EINVAL;    
> >   
>