SNDRV_CTL_IOCTL_ELEM_UNLOCK 1184 sound/core/control.c case SNDRV_CTL_IOCTL_ELEM_UNLOCK: SNDRV_CTL_IOCTL_ELEM_UNLOCK 411 sound/core/control_compat.c case SNDRV_CTL_IOCTL_ELEM_UNLOCK: