snd_pcm_ioctl_hw_params_compat 506 sound/core/pcm_compat.c return snd_pcm_ioctl_hw_params_compat(substream, 1, argp); snd_pcm_ioctl_hw_params_compat 508 sound/core/pcm_compat.c return snd_pcm_ioctl_hw_params_compat(substream, 0, argp);