static const struct snd_pcm_ops i2sbus_playback_ops = {
        .open =         i2sbus_playback_open,
        .close =        i2sbus_playback_close,
-       .ioctl =        snd_pcm_lib_ioctl,
        .hw_free =      i2sbus_playback_hw_free,
        .prepare =      i2sbus_playback_prepare,
        .trigger =      i2sbus_playback_trigger,
 static const struct snd_pcm_ops i2sbus_record_ops = {
        .open =         i2sbus_record_open,
        .close =        i2sbus_record_close,
-       .ioctl =        snd_pcm_lib_ioctl,
        .hw_free =      i2sbus_record_hw_free,
        .prepare =      i2sbus_record_prepare,
        .trigger =      i2sbus_record_trigger,