in configfs.c [540:557]
static ssize_t most_snd_grp_create_card_store(struct config_item *item,
const char *page, size_t count)
{
struct most_snd_grp *snd_grp = to_most_snd_grp(item);
int ret;
bool tmp;
ret = kstrtobool(page, &tmp);
if (ret)
return ret;
if (tmp) {
ret = most_cfg_complete("sound");
if (ret)
return ret;
}
snd_grp->create_card = tmp;
return count;
}