linux-kernel - Re: [Alsa-devel] [PATCH] alsa: correct nonsensical sysfs device symlinks

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Date:	Thu, 25 Jan 2007 13:51:42 -0500
From:	xiphmont@...h.org
To:	"Takashi Iwai" <tiwai@...e.de>
Cc:	"Pierre Ossman" <drzeus@...eus.cx>, fedora-desktop-list@...hat.com,
	alsa-devel@...a-project.org, jrb@...hat.com,
	"Greg KH" <greg@...ah.com>, linux-kernel@...r.kernel.org,
	mclasen@...hat.com, "Lennart Poettering" <lennart@...ttering.net>,
	perex@...e.cz
Subject: Re: [Alsa-devel] [PATCH] alsa: correct nonsensical sysfs device symlinks

On 1/25/07, Takashi Iwai <tiwai@...e.de> wrote:

> > [This does beg the question: Does the benefit of this complete
> > restructuring in a subminor release of an allegedly stable kernel
> > outweigh the fact that it breaks all audio for any user running a
> > gnome desktop?]
>
> Well, that's not me who introduced that ;)

Consider it addressed to those responsible.

> Also, avoid creating card* instance.  It makes no sense in that case.

Well, the 'new' entries don't interfere with old-- and we inevitably
are going to end up with a situation where some software can only read
the 'new' entries and some software can only read the 'old', otherwise
why offer compatability at all?  I interpreted the
CONFIG_SYSFS_DEPRECATED option to mean 'also offer the deprecated
entries in addition to the new structure', otherwise the name should
be CONFIG_SYSFS_OLDSTYLE or some such to imply they're mutually
exclusive....

> (So... what's wrong with my patch?)

As it turns out, nothing (I made some error somewhere initially when
testing it).
Apologies if I wasn't clear.

(Well, it's incomplete like my original patch was in that it only
changed the device symlinks for controlX and pcmX; the other entries
still had device entries pointing at card*).

Monty
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