ASoC: siu_pcm: Use managed buffer allocation
Clean up the driver with the new managed buffer allocation API. The hw_params and hw_free callbacks became superfluous (the rest were only debug prints) and got dropped. Signed-off-by: Takashi Iwai <tiwai@suse.de> Link: https://lore.kernel.org/r/20191210142614.19405-10-tiwai@suse.de Signed-off-by: Mark Brown <broonie@kernel.org>
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@ -281,41 +281,6 @@ static int siu_pcm_stmread_stop(struct siu_port *port_info)
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return 0;
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}
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static int siu_pcm_hw_params(struct snd_soc_component *component,
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struct snd_pcm_substream *ss,
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struct snd_pcm_hw_params *hw_params)
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{
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struct siu_info *info = siu_i2s_data;
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struct device *dev = ss->pcm->card->dev;
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int ret;
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dev_dbg(dev, "%s: port=%d\n", __func__, info->port_id);
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ret = snd_pcm_lib_malloc_pages(ss, params_buffer_bytes(hw_params));
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if (ret < 0)
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dev_err(dev, "snd_pcm_lib_malloc_pages() failed\n");
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return ret;
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}
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static int siu_pcm_hw_free(struct snd_soc_component *component,
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struct snd_pcm_substream *ss)
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{
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struct siu_info *info = siu_i2s_data;
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struct siu_port *port_info = siu_port_info(ss);
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struct device *dev = ss->pcm->card->dev;
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struct siu_stream *siu_stream;
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if (ss->stream == SNDRV_PCM_STREAM_PLAYBACK)
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siu_stream = &port_info->playback;
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else
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siu_stream = &port_info->capture;
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dev_dbg(dev, "%s: port=%d\n", __func__, info->port_id);
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return snd_pcm_lib_free_pages(ss);
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}
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static bool filter(struct dma_chan *chan, void *slave)
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{
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struct sh_dmae_slave *param = slave;
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@ -548,7 +513,7 @@ static int siu_pcm_new(struct snd_soc_component *component,
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if (ret < 0)
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return ret;
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snd_pcm_lib_preallocate_pages_for_all(pcm,
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snd_pcm_set_managed_buffer_all(pcm,
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SNDRV_DMA_TYPE_DEV, card->dev,
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SIU_BUFFER_BYTES_MAX, SIU_BUFFER_BYTES_MAX);
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@ -584,8 +549,6 @@ struct const snd_soc_component_driver siu_component = {
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.open = siu_pcm_open,
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.close = siu_pcm_close,
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.ioctl = snd_soc_pcm_lib_ioctl,
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.hw_params = siu_pcm_hw_params,
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.hw_free = siu_pcm_hw_free,
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.prepare = siu_pcm_prepare,
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.trigger = siu_pcm_trigger,
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.pointer = siu_pcm_pointer_dma,
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