snd_hda_set_power_save  494 include/sound/hda_codec.h static inline void snd_hda_set_power_save(struct hda_bus *bus, int delay) {}
snd_hda_set_power_save 3399 sound/pci/hda/hda_codec.c void snd_hda_set_power_save(struct hda_bus *bus, int delay)