Hi Michael Do you mind if I keep banging away at this with your off-list assistance? I will not be offended if you respond that this issue should remain on-list or that you have given up on my particular problem. _____________________ Since I have no 'Line' the next obvious control choice I have in alsa is 'PCM' However, ]$ tvtime --mixer="hw:0/PCM" returns an error "mixer: mute not implemented". I looked on-line and found this in the latest tvtime patch: http://osdir.com/ml/fedora-extras-commits/2009-06/msg05593.html+ /** + * Make sure that if multiple users mute the card, + * we only honour the last one. + */ + if( !mute && mutecount ) mutecount--; + if( mutecount ) return; + + if( mute ) { + mutecount++; + muted = 1; + if (snd_mixer_selem_has_playback_switch(elem)) + snd_mixer_selem_set_playback_switch_all(elem, 0); + else + fprintf(stderr, "mixer: mute not implemented\n"); + } else { + muted = 0; + if (snd_mixer_selem_has_playback_switch(elem)) + snd_mixer_selem_set_playback_switch_all(elem, 1); + else + fprintf(stderr, "mixer: mute not implemented\n"); + } Is this worth exploring? Meanwhile, I will continue to chase down the info I get from lshal. It shows me where everything is in the VFS and the devices identified by the HAL site. -- Regards Bill Fedora 11, Gnome 2.26.3 Evo.2.26.3, Emacs 22.3.1 -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines