On Tue, 12 Jan 2010 12:43:13 +0100, Takashi Iwai <tiwai@xxxxxxx> wrote : > 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. You were right, problem goes away after upgrading userland lib and utils. Thanks! Anisse _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
