SNDRV_PCM_IOCTL_HW_PARAMS 974 sound/core/oss/pcm_oss.c if ((err = snd_pcm_kernel_ioctl(substream, SNDRV_PCM_IOCTL_HW_PARAMS, sparams)) < 0) { SNDRV_PCM_IOCTL_HW_PARAMS 2512 sound/core/pcm_native.c case SNDRV_PCM_IOCTL_HW_PARAMS: