2014-02-11 5:28 GMT+08:00 David Henningsson <david.henningsson at canonical.com >: > Are you ok if I push this one to master (just this one, not the chmap > API one)? I was hoping for a review but it seems nobody reviewed before > freeze time and I was on parental leave so missed the freeze date. > > I just think it'll help quite a few people with laptop subwoofers so > would be good to have support for it. > Is this 2.1 profile only used for the sonic master external subwoofer which connect through a Proprietary jack of asus notebook using alc66x codec (6-channels)? How about those internal subwoofer of other asus notebook (e.g. g75vw using vt1802 4channel) ? https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1274401 the headphone and internal speaker have to share the PCM playback volume control while the subwoofer use it own volume control > > +[Mapping analog-surround-21] > +device-strings = surround21:%f surround40:%f > +channel-map = front-left,front-right,lfe,lfe > +paths-output = analog-output analog-output-lineout analog-output-speaker analog-output-desktop-speaker > +priority = 8 > +direction = output > + what is the analog-output-desktop-speaker used for ? do any desktop really use [Element Desktop Speaker] ? those business desktops usually have internal speakers sometime the line out and internal speaker share a volume control when four channels codec have three outputs https://bugs.freedesktop.org/show_bug.cgi?id=70865 and somethime the driver assign PCM playback volume when the speaker path and line out path share the same audio output even when two channels codec have three volume controls https://bugzilla.kernel.org/show_bug.cgi?id=70011 for home desktop, most users does not install internal speaker since there are lots of noisy cooling fans inside the chassis -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/pulseaudio-discuss/attachments/20140212/259f3f63/attachment.html>