w->pre_select = alsa_write_pre_select;
w->post_select = alsa_write_post_select;
w->parse_config_or_die = alsa_parse_config_or_die;
- w->shutdown = NULL; /* nothing to do */
w->free_config = alsa_free_config;
w->help = (struct ggo_help) {
.short_help = alsa_write_args_info_help,