[alsa-devel] [PATCH] ALSA: ASoC: pxa-pcm-lib: initialize DMA channel to -1

[Daniel Mack]

Any oppinion about this one?

(Sorry for the clock skew - the virtual machine I did this in lives in
 its own world)

On Sun, Feb 28, 2010 at 10:42:38AM +0800, Daniel Mack wrote:
> 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 at caiaq.de>
> Cc: Liam Girdwood <lrg at slimlogic.co.uk>
> Cc: Mark Brown <broonie at opensource.wolfsonmicro.com>
> Cc: Nicolas Pitre <nico at marvell.com>
> ---
>  sound/arm/pxa2xx-pcm-lib.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/sound/arm/pxa2xx-pcm-lib.c b/sound/arm/pxa2xx-pcm-lib.c
> index 743ac6a..fd51fa8 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;
>  
> -- 
> 1.6.3.3
>