snd_hdac_keep_power_up  207 include/sound/hdaudio.h static inline int snd_hdac_keep_power_up(struct hdac_device *codec) { return 0; }
snd_hdac_keep_power_up  605 sound/hda/hdac_device.c int snd_hdac_keep_power_up(struct hdac_device *codec)