Messages in this thread | | | Date | Sun, 10 Jun 2001 12:10:07 +0200 | From | Abramo Bagnara <> | Subject | Re: [patch] ess maestro, support for hardware volume control |
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Zach Brown wrote: > > > I now have a patch that will output the hwv buttons pressed (up, > > down, mute) to a new dynamically allocated misc device as letters > > u, d, m, instead of directly modifying the mixer. Anyone want > > that? It's more flexible than either the patch that's currently > > in -ac or Lukas's patch, but you need a little userspace daemon > > for it to do anything useful. > > hmm.. how do the alsa guys deal with hw volume? I'm not sure I like > adding more stuff to the OSS API.
It's a control separated from master volume. Often there is another control that control if the two are linked.
Application may ask notification for controls changes (like the hw volume one). This imply that an interrupt is related to this event.
-- Abramo Bagnara mailto:abramo@alsa-project.org
Opera Unica Phone: +39.546.656023 Via Emilia Interna, 140 48014 Castel Bolognese (RA) - Italy
ALSA project http://www.alsa-project.org It sounds good! - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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