[PATCH v3] ucm: add existence checks to geti calls

[Jaroslav Kysela]

On 13. 01. 23 22:21, cujomalainey at chromium.org wrote:
> From: Curtis Malainey <cujomalainey at chromium.org>
> 
> Right now in snd_use_case_geti you cannot tell if the item being queried
> exists or not when being checked. This also means the only way to check
> for the existence of something in the client of the library is to
> iterate over the list of mods/devs even if we know exactly the name we
> are looking for. We have functions that do exactly this internally so
> lets return this information in a logical fashion through geti.

Thanks. I applied your code and and pushed a cleanup + fix on top:

https://github.com/alsa-project/alsa-lib/commit/c083417b723a3485657234a21da3264419da1411

				Jaroslav

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