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ASoC: Fix DMA channel leak in imx-pcm-dma-mx2 driver.
authorJavier Martin <javier.martin@vista-silicon.com>
Thu, 12 Jan 2012 11:30:38 +0000 (12:30 +0100)
committerMark Brown <broonie@opensource.wolfsonmicro.com>
Thu, 12 Jan 2012 20:04:40 +0000 (12:04 -0800)
"snd_imx_pcm_hw_params" callback can be called
several times by the user (i.e. OSS emulation)
leading to a DMA channel leak.

Signed-off-by: Javier Martin <javier.martin@vista-silicon.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

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