linux-kernel - Re: [PATCH v2 4/4] leds: lm3532: Add full scale current configuration

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Message-ID: <20190820162934.GA5701@amd>
Date:   Tue, 20 Aug 2019 18:29:34 +0200
From:   Pavel Machek <pavel@....cz>
To:     Dan Murphy <dmurphy@...com>
Cc:     jacek.anaszewski@...il.com, tony@...mide.com, sre@...nel.org,
        nekit1000@...il.com, mpartap@....net, merlijn@...zup.org,
        linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 4/4] leds: lm3532: Add full scale current configuration

Hi!

> >No need to move ctrl_brt_pointer... to keep order consistent with docs.
> 
> OK I will reset the patches and get rid of that change.  I think this got
> moved when I applied the v1 patch.
> 
> 
> >>+		fs_current_val = led->full_scale_current - LM3532_FS_CURR_MIN /
> >>+				 LM3532_FS_CURR_STEP;
> >The computation is wrong ... needs () AFAICT.
> 
> Hmm. Doesn't order of operations take precedence?
> 
> I will add the () unless checkpatch cribs about them

I may be misunderstanding. What do you expect the computation to be? /
has higher priority than -, right? Can you test it provides expected
results?

									Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

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