From: Daniel Mack <daniel@caiaq.de>
Date: Sun, 28 Feb 2010 02:42:38 +0000 (+0800)
Subject: ASoC: pxa-pcm-lib: initialize DMA channel to -1
X-Git-Tag: MMI-PSA29.97-13-9~24012^2~7^2~17
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=8727b909bb2348d29e62c599cd7a5d610da3760f;p=GitHub%2FMotorolaMobilityLLC%2Fkernel-slsi.git

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

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>
---

diff --git a/sound/arm/pxa2xx-pcm-lib.c b/sound/arm/pxa2xx-pcm-lib.c
index 743ac6a29065..fd51fa8b06a1 100644
--- a/sound/arm/pxa2xx-pcm-lib.c
+++ b/sound/arm/pxa2xx-pcm-lib.c
@@ -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;