linux-kernel - Re: [PATCH v4 2/2] iio: (bma400) add driver for the BMA400

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Message-ID: <20191124223734.GA13261@nessie>
Date:   Sun, 24 Nov 2019 22:37:34 +0000
From:   Dan Robertson <dan@...obertson.com>
To:     Jonathan Cameron <jic23@...nel.org>
Cc:     Andy Shevchenko <andy.shevchenko@...il.com>,
        linux-iio <linux-iio@...r.kernel.org>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        devicetree <devicetree@...r.kernel.org>,
        Hartmut Knaack <knaack.h@....de>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Randy Dunlap <rdunlap@...radead.org>
Subject: Re: [PATCH v4 2/2] iio: (bma400) add driver for the BMA400

On Sat, Nov 23, 2019 at 12:51:35PM +0000, Jonathan Cameron wrote:
> If a function is your preferred route you could also just use it to compute
> the values for the available table at startup?

Yeah that makes sense. I'll add that in the next patchset version.

> > The sampling ratio, frequency, etc code seems to be the most complicated part
> > of the driver. Is it typically recommended to upstream a more minimal driver
> > that might assume the defaults?
> 
> Often people upstream a first version that just uses defaults, then follow
> up (if they care) with later series adding the more fiddly elements.
> 
> Sometimes those more fiddly bits never come as a particular author
> never needed them.  That's absolutely fine.  It's a rare driver
> that supports all the features on a non trivial device!

Makes sense. I'll likely add some extra bits in a follow-up patchset, so I can
learn a bit more.

Cheers,

 - Dan