From 1b7c12316982f74a5b8e7704c24cf5524d0723a3 Mon Sep 17 00:00:00 2001
From: Lars-Peter Clausen <lars@metafoo.de>
Date: Wed, 8 Jul 2015 20:47:43 +0200
Subject: [PATCH] ASoC: Prevent components from being bound to multiple cards

A component can only be bound to a single card at a time. Binding it to
card while it is already bound to another will result in undefined
behavior.

As the undefined behavior might only manifest itself later on it is not
necessarily always straight forward to find the cause. To prevent this add
a check that refuses to bind a component to multiple cards as well as
prints a error describing the problem.

Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
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