CONFIG_SND_HDA_PREALLOC_SIZE  765 sound/pci/hda/hda_controller.c 	size = CONFIG_SND_HDA_PREALLOC_SIZE * 1024;
CONFIG_SND_HDA_PREALLOC_SIZE 1308 sound/soc/intel/skylake/skl-pcm.c 		size = CONFIG_SND_HDA_PREALLOC_SIZE * 1024;