From: Takashi Iwai <tiwai@suse.de>
Date: Fri, 23 Jun 2006 12:38:23 +0000 (+0200)
Subject: [ALSA] Unregister device files at disconnection
X-Git-Tag: v2.6.19-rc1~1270^2~145
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c461482c8072bb073e6146db320d3da85cdc89ad;p=pandora-kernel.git

[ALSA] Unregister device files at disconnection

Orignally proposed by Sam Revitch <sam.revitch@gmail.com>.
Unregister device files at disconnection to avoid the futher accesses.
Also, the dev_unregister callback is removed and replaced with the
combination of disconnect + free.
A new function snd_card_free_when_closed() is introduced, which is
used in USB disconnect callback.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
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