diff options
Diffstat (limited to 'ANDROID_3.4.5/include/sound/dmaengine_pcm.h')
-rw-r--r-- | ANDROID_3.4.5/include/sound/dmaengine_pcm.h | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/ANDROID_3.4.5/include/sound/dmaengine_pcm.h b/ANDROID_3.4.5/include/sound/dmaengine_pcm.h deleted file mode 100644 index a8fcaa6d..00000000 --- a/ANDROID_3.4.5/include/sound/dmaengine_pcm.h +++ /dev/null @@ -1,49 +0,0 @@ -/* - * Copyright (C) 2012, Analog Devices Inc. - * Author: Lars-Peter Clausen <lars@metafoo.de> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ -#ifndef __SOUND_DMAENGINE_PCM_H__ -#define __SOUND_DMAENGINE_PCM_H__ - -#include <sound/pcm.h> -#include <linux/dmaengine.h> - -/** - * snd_pcm_substream_to_dma_direction - Get dma_transfer_direction for a PCM - * substream - * @substream: PCM substream - */ -static inline enum dma_transfer_direction -snd_pcm_substream_to_dma_direction(const struct snd_pcm_substream *substream) -{ - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - return DMA_MEM_TO_DEV; - else - return DMA_DEV_TO_MEM; -} - -void snd_dmaengine_pcm_set_data(struct snd_pcm_substream *substream, void *data); -void *snd_dmaengine_pcm_get_data(struct snd_pcm_substream *substream); - -int snd_hwparams_to_dma_slave_config(const struct snd_pcm_substream *substream, - const struct snd_pcm_hw_params *params, struct dma_slave_config *slave_config); -int snd_dmaengine_pcm_trigger(struct snd_pcm_substream *substream, int cmd); -snd_pcm_uframes_t snd_dmaengine_pcm_pointer(struct snd_pcm_substream *substream); - -int snd_dmaengine_pcm_open(struct snd_pcm_substream *substream, - dma_filter_fn filter_fn, void *filter_data); -int snd_dmaengine_pcm_close(struct snd_pcm_substream *substream); - -struct dma_chan *snd_dmaengine_pcm_get_chan(struct snd_pcm_substream *substream); - -#endif |