refactor: report name of selem that cannot be found #437
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If a user's volume control is not correctly configured the following (unhelpful) warning is logged:
It does not say which selem cannot be found. Let's output this information to help users debug their configuration files.
In my case this PR helped me discover that it was using
PCM
as the name of the selem instead ofalsa
. This led me to #283 which solved my problem.