linux-kernel - Re: [PATCH] sound: use enum names instead of magic numbers

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Date:	Sun, 30 Nov 2014 00:55:32 -0800
From:	Joe Perches <joe@...ches.com>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] sound: use enum names instead of magic numbers

On Sun, 2014-11-30 at 09:41 +0100, Takashi Iwai wrote:
> At Sat, 29 Nov 2014 12:58:12 -0800,
> Joe Perches wrote:
> > 
> > There's an enum defined for these magic numbers,
> > might as well use it.
> > 
> > Miscellanea:
> > o Use ##__VA_ARGS__
> > 
> > Signed-off-by: Joe Perches <joe@...ches.com>
> 
> Any specific reason to hang to an irrelevant thread?

Not in particular, I just noticed it there.

> Also...

> > diff --git a/include/sound/core.h b/include/sound/core.h
[]
> > +#define __snd_printk(snd_level, file, line, format, ...) \
> > +	printk(format, ##__VA_ARGS__)
> 
> It's better to keep the argument name "level".  Using both the same
> name for a variable and its enum type is rather confusing, and just
> gives unnecessary LOCs.

Write it as you chose.  It is pretty trivial.

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