fe_cpu_dai 1839 sound/soc/soc-pcm.c struct snd_soc_dai *fe_cpu_dai = fe->cpu_dai; fe_cpu_dai 1847 sound/soc/soc-pcm.c if (fe_cpu_dai->active) { fe_cpu_dai 1848 sound/soc/soc-pcm.c err = soc_pcm_apply_symmetry(fe_substream, fe_cpu_dai);