snd_hwdep_info 102 include/sound/asound.h struct snd_hwdep_info { snd_hwdep_info 131 include/sound/asound.h SNDRV_HWDEP_IOCTL_INFO = _IOR ('H', 0x01, struct snd_hwdep_info), snd_hwdep_info 866 include/sound/asound.h SNDRV_CTL_IOCTL_HWDEP_INFO = _IOR('U', 0x21, struct snd_hwdep_info), snd_hwdep_info 179 sound/core/hwdep.c static int snd_hwdep_info(struct snd_hwdep *hw,