[PATCH alsa-utils] alsactl: Add --quiet option to suppress alsa-lib error messages

[Jaroslav Kysela]

On 27. 10. 21 16:40, Takashi Iwai wrote:
> alsactl prints error messages from alsa-lib as is, and it's rather
> annoying to see the error messages like
> 
>    alsactl[xxx]: alsa-lib parser.c:242:(error_node) UCM is not supported for this HDA model (HDA Intel PCH...)
>    alsactl[xxx]: alsa-lib main.c:1405:(snd_use_case_mgr_open) error: failed to import hw:0 use case configuration -6
> 
> that are recorded in the syslog at each boot.
> 
> This patch adds --quiet (or -q) option to suppress those error
> messages from alsa-lib, and applies to the systemd services as
> default.

The fix is inaccurate as it's just a warning not an error. The question is, 
how to signal those warnings to users to eliminate the confusion.

The suppression of all alsa-lib errors does not seem like a good idea to me.

					Jaroslav

-- 
Jaroslav Kysela <perex at perex.cz>
Linux Sound Maintainer; ALSA Project; Red Hat, Inc.