SNDRV_PCM_IOCTL1_INFO 1449 sound/core/pcm_lib.c case SNDRV_PCM_IOCTL1_INFO: SNDRV_PCM_IOCTL1_INFO 114 sound/core/pcm_native.c substream->ops->ioctl(substream, SNDRV_PCM_IOCTL1_INFO, info);