diff options
| -rw-r--r-- | include/sound/dmaengine_pcm.h | 2 | ||||
| -rw-r--r-- | sound/soc/soc-generic-dmaengine-pcm.c | 55 |
2 files changed, 35 insertions, 22 deletions
diff --git a/include/sound/dmaengine_pcm.h b/include/sound/dmaengine_pcm.h index 67be2445941a..8a5a8404966e 100644 --- a/include/sound/dmaengine_pcm.h +++ b/include/sound/dmaengine_pcm.h @@ -161,4 +161,6 @@ int snd_dmaengine_pcm_prepare_slave_config(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct dma_slave_config *slave_config); +#define SND_DMAENGINE_PCM_DRV_NAME "snd_dmaengine_pcm" + #endif diff --git a/sound/soc/soc-generic-dmaengine-pcm.c b/sound/soc/soc-generic-dmaengine-pcm.c index d53786498b61..c07d5c79ca91 100644 --- a/sound/soc/soc-generic-dmaengine-pcm.c +++ b/sound/soc/soc-generic-dmaengine-pcm.c @@ -33,13 +33,13 @@ struct dmaengine_pcm { struct dma_chan *chan[SNDRV_PCM_STREAM_LAST + 1]; const struct snd_dmaengine_pcm_config *config; - struct snd_soc_platform platform; + struct snd_soc_component component; unsigned int flags; }; -static struct dmaengine_pcm *soc_platform_to_pcm(struct snd_soc_platform *p) +static struct dmaengine_pcm *soc_component_to_pcm(struct snd_soc_component *p) { - return container_of(p, struct dmaengine_pcm, platform); + return container_of(p, struct dmaengine_pcm, component); } static struct device *dmaengine_dma_dev(struct dmaengine_pcm *pcm, @@ -88,7 +88,9 @@ static int dmaengine_pcm_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct dmaengine_pcm *pcm = soc_platform_to_pcm(rtd->platform); + struct snd_soc_component *component = + snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME); + struct dmaengine_pcm *pcm = soc_component_to_pcm(component); struct dma_chan *chan = snd_dmaengine_pcm_get_chan(substream); int (*prepare_slave_config)(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, @@ -119,7 +121,9 @@ static int dmaengine_pcm_hw_params(struct snd_pcm_substream *substream, static int dmaengine_pcm_set_runtime_hwparams(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct dmaengine_pcm *pcm = soc_platform_to_pcm(rtd->platform); + struct snd_soc_component *component = + snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME); + struct dmaengine_pcm *pcm = soc_component_to_pcm(component); struct device *dma_dev = dmaengine_dma_dev(pcm, substream); struct dma_chan *chan = pcm->chan[substream->stream]; struct snd_dmaengine_dai_dma_data *dma_data; @@ -206,7 +210,9 @@ static int dmaengine_pcm_set_runtime_hwparams(struct snd_pcm_substream *substrea static int dmaengine_pcm_open(struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct dmaengine_pcm *pcm = soc_platform_to_pcm(rtd->platform); + struct snd_soc_component *component = + snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME); + struct dmaengine_pcm *pcm = soc_component_to_pcm(component); struct dma_chan *chan = pcm->chan[substream->stream]; int ret; @@ -221,7 +227,9 @@ static struct dma_chan *dmaengine_pcm_compat_request_channel( struct snd_soc_pcm_runtime *rtd, struct snd_pcm_substream *substream) { - struct dmaengine_pcm *pcm = soc_platform_to_pcm(rtd->platform); + struct snd_soc_component *component = + snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME); + struct dmaengine_pcm *pcm = soc_component_to_pcm(component); struct snd_dmaengine_dai_dma_data *dma_data; dma_filter_fn fn = NULL; @@ -260,9 +268,11 @@ static bool dmaengine_pcm_can_report_residue(struct device *dev, static int dmaengine_pcm_new(struct snd_soc_pcm_runtime *rtd) { - struct dmaengine_pcm *pcm = soc_platform_to_pcm(rtd->platform); + struct snd_soc_component *component = + snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME); + struct dmaengine_pcm *pcm = soc_component_to_pcm(component); const struct snd_dmaengine_pcm_config *config = pcm->config; - struct device *dev = rtd->platform->dev; + struct device *dev = component->dev; struct snd_dmaengine_dai_dma_data *dma_data; struct snd_pcm_substream *substream; size_t prealloc_buffer_size; @@ -296,7 +306,7 @@ static int dmaengine_pcm_new(struct snd_soc_pcm_runtime *rtd) } if (!pcm->chan[i]) { - dev_err(rtd->platform->dev, + dev_err(component->dev, "Missing dma channel for stream: %d\n", i); return -EINVAL; } @@ -320,7 +330,9 @@ static snd_pcm_uframes_t dmaengine_pcm_pointer( struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct dmaengine_pcm *pcm = soc_platform_to_pcm(rtd->platform); + struct snd_soc_component *component = + snd_soc_rtdcom_lookup(rtd, SND_DMAENGINE_PCM_DRV_NAME); + struct dmaengine_pcm *pcm = soc_component_to_pcm(component); if (pcm->flags & SND_DMAENGINE_PCM_FLAG_NO_RESIDUE) return snd_dmaengine_pcm_pointer_no_residue(substream); @@ -338,10 +350,9 @@ static const struct snd_pcm_ops dmaengine_pcm_ops = { .pointer = dmaengine_pcm_pointer, }; -static const struct snd_soc_platform_driver dmaengine_pcm_platform = { - .component_driver = { - .probe_order = SND_SOC_COMP_ORDER_LATE, - }, +static const struct snd_soc_component_driver dmaengine_pcm_component = { + .name = SND_DMAENGINE_PCM_DRV_NAME, + .probe_order = SND_SOC_COMP_ORDER_LATE, .ops = &dmaengine_pcm_ops, .pcm_new = dmaengine_pcm_new, }; @@ -438,8 +449,8 @@ int snd_dmaengine_pcm_register(struct device *dev, if (ret) goto err_free_dma; - ret = snd_soc_add_platform(dev, &pcm->platform, - &dmaengine_pcm_platform); + ret = snd_soc_add_component(dev, &pcm->component, + &dmaengine_pcm_component, NULL, 0); if (ret) goto err_free_dma; @@ -461,16 +472,16 @@ EXPORT_SYMBOL_GPL(snd_dmaengine_pcm_register); */ void snd_dmaengine_pcm_unregister(struct device *dev) { - struct snd_soc_platform *platform; + struct snd_soc_component *component; struct dmaengine_pcm *pcm; - platform = snd_soc_lookup_platform(dev); - if (!platform) + component = snd_soc_lookup_component(dev, SND_DMAENGINE_PCM_DRV_NAME); + if (!component) return; - pcm = soc_platform_to_pcm(platform); + pcm = soc_component_to_pcm(component); - snd_soc_remove_platform(platform); + snd_soc_unregister_component(dev); dmaengine_pcm_release_chan(pcm); kfree(pcm); } |
