snd_pcm_lib_read 370 sound/core/pcm_compat.c err = snd_pcm_lib_read(substream, compat_ptr(buf), frames); snd_pcm_lib_read 2837 sound/core/pcm_native.c result = snd_pcm_lib_read(substream, xferi.buf, xferi.frames); snd_pcm_lib_read 3080 sound/core/pcm_native.c result = snd_pcm_lib_read(substream, buf, count);