ASoC: kirkwood: prevent double streaming
ASoC: kirkwood: prevent double streaming

The kirkwood audio subsystem presents 2 PCM's for one source.
Streaming on a second PCM while the first one is active
cuts this last one.
Then, ending the last stream gives a kernel trap in free_irq().

Signed-off-by: Jean-Francois Moine <e5394ce9c4b9ae7d2c4686830c5ac5f3b9028b6a@free.fr>
Signed-off-by: Mark Brown <b51b9a92386687a9ac927cebfa0f978adeb8cea5@kernel.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs