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Linux/sound/arm/pxa2xx-pcm.h

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  1 /*
  2  * linux/sound/arm/pxa2xx-pcm.h -- ALSA PCM interface for the Intel PXA2xx chip
  3  *
  4  * Author:      Nicolas Pitre
  5  * Created:     Nov 30, 2004
  6  * Copyright:   MontaVista Software, Inc.
  7  *
  8  * This program is free software; you can redistribute it and/or modify
  9  * it under the terms of the GNU General Public License version 2 as
 10  * published by the Free Software Foundation.
 11  */
 12 
 13 struct pxa2xx_runtime_data {
 14         int dma_ch;
 15         struct snd_dmaengine_dai_dma_data *params;
 16 };
 17 
 18 struct pxa2xx_pcm_client {
 19         struct snd_dmaengine_dai_dma_data *playback_params;
 20         struct snd_dmaengine_dai_dma_data *capture_params;
 21         int (*startup)(struct snd_pcm_substream *);
 22         void (*shutdown)(struct snd_pcm_substream *);
 23         int (*prepare)(struct snd_pcm_substream *);
 24 };
 25 
 26 extern int pxa2xx_pcm_new(struct snd_card *, struct pxa2xx_pcm_client *, struct snd_pcm **);
 27 
 28 

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