diff options
Diffstat (limited to 'sound/soc/pxa/mmp-pcm.c')
| -rw-r--r-- | sound/soc/pxa/mmp-pcm.c | 27 |
1 files changed, 4 insertions, 23 deletions
diff --git a/sound/soc/pxa/mmp-pcm.c b/sound/soc/pxa/mmp-pcm.c index 8235e23..5e8d813 100644 --- a/sound/soc/pxa/mmp-pcm.c +++ b/sound/soc/pxa/mmp-pcm.c @@ -36,14 +36,9 @@ struct mmp_dma_data { SNDRV_PCM_INFO_PAUSE | \ SNDRV_PCM_INFO_RESUME) -#define MMP_PCM_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ - SNDRV_PCM_FMTBIT_S24_LE | \ - SNDRV_PCM_FMTBIT_S32_LE) - static struct snd_pcm_hardware mmp_pcm_hardware[] = { { .info = MMP_PCM_INFO, - .formats = MMP_PCM_FORMATS, .period_bytes_min = 1024, .period_bytes_max = 2048, .periods_min = 2, @@ -53,7 +48,6 @@ static struct snd_pcm_hardware mmp_pcm_hardware[] = { }, { .info = MMP_PCM_INFO, - .formats = MMP_PCM_FORMATS, .period_bytes_min = 1024, .period_bytes_max = 2048, .periods_min = 2, @@ -67,27 +61,15 @@ static int mmp_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct dma_chan *chan = snd_dmaengine_pcm_get_chan(substream); - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_dmaengine_dai_dma_data *dma_params; struct dma_slave_config slave_config; int ret; - dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); - if (!dma_params) - return 0; - - ret = snd_hwparams_to_dma_slave_config(substream, params, &slave_config); + ret = + snd_dmaengine_pcm_prepare_slave_config(substream, params, + &slave_config); if (ret) return ret; - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - slave_config.dst_addr = dma_params->addr; - slave_config.dst_maxburst = 4; - } else { - slave_config.src_addr = dma_params->addr; - slave_config.src_maxburst = 4; - } - ret = dmaengine_slave_config(chan, &slave_config); if (ret) return ret; @@ -201,10 +183,9 @@ static int mmp_pcm_preallocate_dma_buffer(struct snd_pcm_substream *substream, if (!gpool) return -ENOMEM; - buf->area = (unsigned char *)gen_pool_alloc(gpool, size); + buf->area = gen_pool_dma_alloc(gpool, size, &buf->addr); if (!buf->area) return -ENOMEM; - buf->addr = gen_pool_virt_to_phys(gpool, (unsigned long)buf->area); buf->bytes = size; return 0; } |
