pcm_mmap_prepare 688 sound/pci/hda/hda_controller.c if (chip->ops->pcm_mmap_prepare) pcm_mmap_prepare 689 sound/pci/hda/hda_controller.c chip->ops->pcm_mmap_prepare(substream, area); pcm_mmap_prepare 77 sound/pci/hda/hda_controller.h void (*pcm_mmap_prepare)(struct snd_pcm_substream *substream, pcm_mmap_prepare 2035 sound/pci/hda/hda_intel.c .pcm_mmap_prepare = pcm_mmap_prepare,