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ASoC: pxa-pcm-lib: initialize DMA channel to -1

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This fixes a warning ("pxa_free_dma: trying to free channel 0 which is
already freed") when a device was opened but the hw_params() call
failed.

Signed-off-by: Daniel Mack <daniel@caiaq.de>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Daniel Mack 2010-02-28 10:42:38 +08:00 committed by Mark Brown
parent 6937c947d3
commit 8727b909bb
1 changed files with 1 additions and 0 deletions
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sound/arm/pxa2xx-pcm-lib.c
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@ -205,6 +205,7 @@ int __pxa2xx_pcm_open(struct snd_pcm_substream *substream)
if (!rtd->dma_desc_array)
goto err1;
rtd->dma_ch = -1;
runtime->private_data = rtd;
return 0;