read_prd 65 sound/pci/cs5535audio/cs5535audio.h u32 (*read_prd)(struct cs5535audio *cs5535au); read_prd 397 sound/pci/cs5535audio/cs5535audio_pcm.c .read_prd = cs5535audio_playback_read_prd, read_prd 407 sound/pci/cs5535audio/cs5535audio_pcm.c .read_prd = cs5535audio_capture_read_prd, read_prd 55 sound/pci/cs5535audio/cs5535audio_pm.c dma->saved_prd = dma->ops->read_prd(cs5535au);