linux-kernel - Re: Improving or replacing snd

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Date:	Thu, 30 May 2013 14:14:57 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Joe Perches <joe@...ches.com>
cc:	Takashi Iwai <tiwai@...e.de>, <alsa-devel@...a-project.org>,
	Kernel development list <linux-kernel@...r.kernel.org>
Subject: Re: Improving or replacing snd_printk()

On Wed, 29 May 2013, Joe Perches wrote:

> On Wed, 2013-05-29 at 15:27 -0400, Alan Stern wrote:
> > Has there been any thought of improving snd_printk(), or even better,
> > changing the call sites to use the dev_*() routines instead?
> 
> Perhaps better would be to add and use some combination of
> type specific logging message functions/macros like:
> 
> void snd_<level>(const struct snd_device *dev, const char *fmt, ...)
> void snd_card_<level>(const struct snd_card *card, const char *fmt, ...)
> void snd_ac97_<level>(const struct snd_ac97 *ac97, const char *fmt, ...)
> 
> allowing NULL as the type pointer when necessary/appropriate.

Almost anything would be better than the current situation.  The only 
enhancement provided by CONFIG_SND_VERBOSE_PRINTK is to print the 
filename and line number, which is relatively unhelpful (unless there 
are multiple copies of the same message in several places).

Alan Stern

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