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Commit 9bef6489 authored by Stephen Ware's avatar Stephen Ware Committed by Mark Brown
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ASoC: Fix pxa2xx-pcm checks for invalid DMA channels 



Set the invalid dma channel to -1 (and check properly for it) in
pxa2xx_pcm_hw_free().  Was assuming 0 is an invalid channel number but 0
is a valid pxa dma channel num.

Signed-off-by: default avatarstephen <stephen.ware@eqware.net>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 276c6222

sound/soc/pxa/pxa2xx-pcm.c

+2 −2
Original line number Diff line number Diff line
@@ -61,9 +61,9 @@ static int pxa2xx_pcm_hw_free(struct snd_pcm_substream *substream) 


	__pxa2xx_pcm_hw_free(substream);



	if (prtd->dma_ch) {

	if (prtd->dma_ch >= 0) {

		pxa_free_dma(prtd->dma_ch);

		prtd->dma_ch = 0;

		prtd->dma_ch = -1;

	}



	return 0;