snd_pcm_forward    48 sound/core/pcm_compat.c 	err = snd_pcm_forward(substream, frames);
snd_pcm_forward  2896 sound/core/pcm_native.c 	result = snd_pcm_forward(substream, frames);
snd_pcm_forward  3039 sound/core/pcm_native.c 		result = snd_pcm_forward(substream, *frames);