I removed my alsa-modules (installed using module assistant) and installed the latest gutsy linux-backports-modules (2.6.22.14.21). The problem is now gone! The headphones and system speaker are correctly switching at the moment.
Dell Latitude D630
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02)
Note: Running Gutsy
I removed my alsa-modules (installed using module assistant) and installed the latest gutsy linux-backports -modules (2.6.22.14.21). The problem is now gone! The headphones and system speaker are correctly switching at the moment.
Dell Latitude D630
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02)
-Andrew