From mboxrd@z Thu Jan  1 00:00:00 1970
From: Clemens Ladisch <clemens@ladisch.de>
Subject: Re: Unregister a card from userspace?
Date: Wed, 4 Nov 2015 12:24:42 +0100
Message-ID: <5639EAFA.9060008@ladisch.de>
References: <alpine.DEB.2.02.1511041032180.1465@lnxricardw1.se.axis.com>
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To: Ricard Wanderlof <ricard.wanderlof@axis.com>, alsa-devel <alsa-devel@alsa-project.org>
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Ricard Wanderlof wrote:
> My use case is that I have a card driver I'm working on as a module, and
> while insmodding it works fine, I can't rmmod it because once
> snd_soc_register_card() has been called, it has a usage count of 2 and
> thus cannot be rmmod:ed.

soc_probe_component() adds a reference to each component's driver's
module.  Maybe putting each component into its own module would help.

Anyway, you should be able to unbind the driver:
<https://lwn.net/Articles/143397/>


Regards,
Clemens