memset(chip->playback_pipes, 0, sizeof(struct vx_pipe *) * chip->audio_outs);
memset(chip->capture_pipes, 0, sizeof(struct vx_pipe *) * chip->audio_ins);
memset(chip->playback_pipes, 0, sizeof(struct vx_pipe *) * chip->audio_outs);
memset(chip->capture_pipes, 0, sizeof(struct vx_pipe *) * chip->audio_ins);