sprd_soc_component 524 sound/soc/sprd/sprd-pcm-dma.c static const struct snd_soc_component_driver sprd_soc_component = { sprd_soc_component 542 sound/soc/sprd/sprd-pcm-dma.c ret = devm_snd_soc_register_component(&pdev->dev, &sprd_soc_component,