On Mon, 04.02.08 23:24, David K?gedal (davidk at lysator.liu.se) wrote: > This might not really be something for PA to handle, but since it's > related, I thought I'd ask here anyway. > > I bought a Creative Xmod to use with my laptop when I'm at the desk. > It is a USB soundcard with a line out that I connect to the speakers. > > It also has a larg volume knob, but for some reason that knob isn't a > hardware volume controller, but sends messages over USB and lets the > software handle it. I run GNOME/Ubuntu 7.10, and the knob actually > works without any configuration. But there are two problems: > > 1) The volume knob will control the main mixer in the GNOME settings, > i.e. the same as the volume buttons on the laptop. This means that > unless I reconfigure it, it will control the volume of the internal > speakers instead of the external speakers that are connected to > it. I can reconfigure gnome so that both volume controllers control > the Xmod volume instead. > > Does anyone know if there is a way to make each volume controller > control different mixers? No, X11 and GNOME don't support this right now. It understands only one kind of Volume-Up/Volume-Down keypresses, doesn't care about the source device those events came from. But with Multi-Pointer-X and XInput this will hopefully change soon. > 2) When I control the volume of the Xmod, the volume jumps up and down > rather erratically, and loses synch between the right and left > channel. But this happens when using ALSA directly, so it's not > related to PA. Probably some fuckup in the gnome volume mixer applet? Please try this again and close all mixer windows and remove the applet from your panel. Lennart -- Lennart Poettering Red Hat, Inc. lennart [at] poettering [dot] net ICQ# 11060553 http://0pointer.net/lennart/ GnuPG 0x1A015CC4
