snd_pcm_lib_readv 430 sound/core/pcm_compat.c err = snd_pcm_lib_readv(substream, bufs, frames); snd_pcm_lib_readv 2865 sound/core/pcm_native.c result = snd_pcm_lib_readv(substream, bufs, xfern.frames); snd_pcm_lib_readv 3139 sound/core/pcm_native.c result = snd_pcm_lib_readv(substream, bufs, frames);