return (snd_pcm_uframes_t)bytes_to_frames(runtime, chip->current_line * chip->line_bytes);
}
-static struct snd_pcm_ops snd_bt87x_pcm_ops = {
+static const struct snd_pcm_ops snd_bt87x_pcm_ops = {
.open = snd_bt87x_pcm_open,
.close = snd_bt87x_close,
.ioctl = snd_pcm_lib_ioctl,