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ucm: return error if boot_list is empty

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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>
This commit is contained in:
Hui Wang 2020-10-29 14:51:30 +08:00 • committed by Jaroslav Kysela
parent 64680bb398
commit 2368a95b8f
1 changed files with 2 additions and 0 deletions
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2
src/ucm/main.c
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@ -2252,6 +2252,8 @@ static int set_boot_user(snd_use_case_mgr_t *uc_mgr,
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) {