At Mon, 23 Feb 2009 10:26:36 +0100, Andreas Mohr wrote: > > Hi, > > On Mon, Feb 23, 2009 at 08:38:12AM +0100, Takashi Iwai wrote: > > Applied now. Thanks. > > Thanks! > > > > Will now try to get HDA settings on Aspire One A110L investigated > > > (using Takashi's elaborate tools) and corrected > > > (the non-working microphone thingy, plus some weird random switching/activation > > > of noise in sound sources at times and stuff). > > > > Let me know if it's finished! > > Maybe I should start for real first ;) > > > > > Speaking of sound problems, any thoughts about how to end up with > > > _automatic_, generic ALSA soft volume for those cheap non-hardvol USB sticks? > [...] > > > > The only problem right now is that the driver might give a real volume > > control but in a different name. OTOH, softvol itself isn't too bad as > > default PCM definition. Just editing USB-Audio.conf should suffice... > > Probably something like > http://launchpadlibrarian.net/7244751/USB-Audio.conf > (referenced by https://bugs.launchpad.net/ubuntu/+source/alsa-lib/+bug/104130 )? > > AFAICS, things should ideally work this way: > plug USB adapter, ALSA uses its default USB-Audio.conf settings (just like > with several other PCI and such cards), then for devices with non-existing > H/W volume (and only those!!), automatically and generically provide ALSA > softvol. The "automatically" is easy to write but hard to achieve the guarantee to work with all possible devices :) Especially the mixer name of usb-audio is determined dynamically by guess from usb descriptors, covering all possible names is no easy task. Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
