static int davinci_mcasp_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *cpu_dai) { struct davinci_audio_dev *dev = snd_soc_dai_get_drvdata(cpu_dai); struct davinci_pcm_dma_params *dma_params = &dev->dma_params[substream->stream]; int word_length; u8 fifo_level; cpu_dai->capture_dma_data = dev->dma_params; cpu_dai->playback_dma_data = dev->dma_params; davinci_hw_common_param(dev, substream->stream); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) fifo_level = dev->txnumevt; else fifo_level = dev->rxnumevt; if (dev->op_mode == DAVINCI_MCASP_DIT_MODE) davinci_hw_dit_param(dev); else davinci_hw_param(dev, substream->stream); switch (params_format(params)) { case SNDRV_PCM_FORMAT_S8: dma_params->data_type = 1; word_length = DAVINCI_AUDIO_WORD_8; break; case SNDRV_PCM_FORMAT_S16_LE: dma_params->data_type = 2; word_length = DAVINCI_AUDIO_WORD_16; break; case SNDRV_PCM_FORMAT_S32_LE: dma_params->data_type = 4; word_length = DAVINCI_AUDIO_WORD_32; break; default: printk(KERN_WARNING "davinci-mcasp: unsupported PCM format"); return -EINVAL; } if (dev->version == MCASP_VERSION_2 && !fifo_level) dma_params->acnt = 4; else dma_params->acnt = dma_params->data_type; dma_params->fifo_level = fifo_level; davinci_config_channel_size(dev, word_length); return 0; }
static int davinci_mcasp_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *cpu_dai) { struct davinci_audio_dev *dev = snd_soc_dai_get_drvdata(cpu_dai); struct davinci_pcm_dma_params *dma_params = &dev->dma_params[substream->stream]; int word_length; u8 fifo_level; davinci_hw_common_param(dev, substream->stream); if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) fifo_level = dev->txnumevt; else fifo_level = dev->rxnumevt; if (dev->op_mode == DAVINCI_MCASP_DIT_MODE) davinci_hw_dit_param(dev); else davinci_hw_param(dev, substream->stream); switch (params_format(params)) { <<<<<<< HEAD case SNDRV_PCM_FORMAT_U8: ======= <<<<<<< HEAD case SNDRV_PCM_FORMAT_U8: ======= >>>>>>> 58a75b6a81be54a8b491263ca1af243e9d8617b9 >>>>>>> ae1773bb70f3d7cf73324ce8fba787e01d8fa9f2 case SNDRV_PCM_FORMAT_S8: dma_params->data_type = 1; word_length = DAVINCI_AUDIO_WORD_8; break; <<<<<<< HEAD