linux-kernel - Re: [PATCH v9 08/11] iio: accel: adxl345: add inactivity feature

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Message-ID: <CAHp75VfxqMh8j=TAPFXTDx2PSPVU=No=vDdo+-J-ETDavuYnRA@mail.gmail.com>
Date: Sat, 21 Jun 2025 22:24:37 +0300
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Lothar Rubusch <l.rubusch@...il.com>
Cc: Andy Shevchenko <andriy.shevchenko@...el.com>, lars@...afoo.de, 
	Michael.Hennerich@...log.com, jic23@...nel.org, dlechner@...libre.com, 
	nuno.sa@...log.com, andy@...nel.org, corbet@....net, 
	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-doc@...r.kernel.org, eraretuya@...il.com
Subject: Re: [PATCH v9 08/11] iio: accel: adxl345: add inactivity feature

On Sat, Jun 21, 2025 at 9:54 PM Lothar Rubusch <l.rubusch@...il.com> wrote:
> On Thu, Jun 12, 2025 at 2:15 PM Andy Shevchenko
> <andriy.shevchenko@...el.com> wrote:
> > On Tue, Jun 10, 2025 at 09:59:30PM +0000, Lothar Rubusch wrote:

Please, remove the pieces of email you agree with, or comment on why
you disagree. Leaving tons of the pieces without comments is confusing
at bare minimum.

...

> > > +             val = (adxl345_odr_tbl[odr][0] > max_boundary)
> > > +                     ? min_boundary : max_boundary - adxl345_odr_tbl[odr][0];
> >
> > clamp() ?
>
> Isn't clamp() dealing with signed ints?

clamp() is a macro.

> Also, I'll take the diff from
> max_boundary here.

How does it affect usage of the clamp()?

> So, I'll try staying with the current line and hope
> it's fine.

I suggest you spend some time thinking about this expression on how to
make it easier to read and understand. In my opinion clamp() helps a
lot in this case.

-- 
With Best Regards,
Andy Shevchenko