If bootlist is empty, that means there is no BootSequence defined
in the ucm for this sound card, let set_boot_user() return error,
then alsactl could have chance to use non-ucm ways to initialize the
sound card.
BugLink: https://github.com/alsa-project/alsa-lib/pull/94
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
uc_error("error: wrong value for _boot (%s)", value);
return -EINVAL;
}
+ if (list_empty(&uc_mgr->boot_list))
+ return -ENOENT;
err = execute_sequence(uc_mgr, &uc_mgr->boot_list,
&uc_mgr->value_list, NULL, NULL);
if (err < 0) {