hda_verb_ioctl     41 include/sound/hda_hwdep.h #define HDA_IOCTL_VERB_WRITE		_IOWR('H', 0x11, struct hda_verb_ioctl)
hda_verb_ioctl     42 include/sound/hda_hwdep.h #define HDA_IOCTL_GET_WCAP		_IOWR('H', 0x12, struct hda_verb_ioctl)