At Wed, 6 Jan 2010 16:43:38 +0100, Anisse Astier wrote: > > Hi, > > The Mic Boost control on a laptop seems to behave incorrectly. The > control has the flag "volume" instead of "cvolume", causing it to appear > in both the "Playback" and "Capture" tabs of alsamixer. > This wouldn't be a problem if it would just work in the Capture tab: it > doesn't. > When I modify it in Capture, it doesn't retain its value: it's gone after > i close alsamixer. But if i modify it in "Playback" it will retain its > value and the value will be mirrored by the Mic Boost in Capture (both > Mic Boost seem to reflect the same control, except one is RO, the other > is RW). > > It's a minor a annoyance, but I'd like to fix it and have "Mic Boost" > appear only as a Capture control and retaining its value. Maybe I should > create a new mixer configuration for this hardware in patch_realtek.c, but > I don't know where to start. Bios autoprobing works for everything but > just what I mentioned. Well, Mic Boost is applied to both playback and capture in case you have analog loopback. So, it's not entirely wrong. The problem is rather the inconsistent behavior in alsamixer. I guess it's a bug of old alsa-lib. Try to upgrade the alsa-lib and alsa-utils first. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
