[alsa-devel] alsa-lib: snd_mixer_selem_is_active changes - which event?

Clemens Ladisch clemens at ladisch.de
Wed Feb 16 09:38:59 CET 2011


Sebastian H. wrote:
> I wonder which event mask notifies an application that
> snd_mixer_selem_is_active() may have changed.
> 
> SND_CTL_EVENT_MASK_VALUE
> or
> SND_CTL_EVENT_MASK_INFO

_VALUE is only for the value itself; all metadata changes
generate an _INFO event.


Regards,
Clemens


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