2010/10/7 Davyd McColl <davydm@xxxxxxxxx> > Good day > > I'm new to this list (though I've done some searching, I'm sure I could > have > missed something), so please bear with me. > > I filed a bug report recently against Ubuntu with respect to the problem > I'm > experiencing (as per the subject: jacking in my headphones doesn't mute the > speaker output) and was informed that the decision had been made upstream > as > a design intention. I was linked off to: > > http://mailman.alsa-project.org/pipermail/alsa-devel/2010-August/030071.html > with respect to the thread on this topic. I'd like to raise it again > though, > perhaps as a configurable feature, for the following reasons: > Enable auto-muting in model=auto only for devices with HP and speakers. http://git.alsa-project.org/?p=alsa-kernel.git;a=commitdiff;h=2a2ed0dfc9ec44a899c7d4672f73f2c045099118;hp=299f293b3428ae6d73406642cd7d41f08d524c83 if the bios set your laptop 's speaker as line out , you need to implement a new model for your laptop , model=auto assume the bios had already correctly setup all the pin complex of your computer > > 1) headphones muting the speakers used to work some time ago (before Ubuntu > 9.04, iirc), so we have an established user expectation even under Linux > distros. > 2) headphones mute the built-in speakers of my laptop (windows and ubuntu) > -- why the inconsistent behaviour for a desktop? Just because the speakers > in the laptop are bolted into the frame of the machine? > 3) Windows "gets it right": plugging in headphones mutes external speakers > -- it's convenient (Though I think you can disable that feature if you > want). I'm told by a person at work that his Mac does the same. Again, the > user expectation is unmet under a newish Linux distro. > 4) The user expectation theory is held up by the number of bug reports > against this design choice on Ubuntu Launchpad alone (I haven't looked at > other bug lists). The average user is not expecting the current behaviour, > obviously > 5) For people without hardware volume controls on their speakers, the > problem is exacerbated: instead of being able to plug in headphones to > disturb others around them less (ie: contain their music/noises), they have > to unplug their speakers too -- which may not be trivial since speakers are > normally plugged in at the back of the machine, not at the front where the > headphone jack would be found. On a machine in an enclosure, this is > especially troublesome. > > So I'd really like to know if it would be possible to allow the behaviour > most users are expecting. Sometimes it's useful to be able to output to > both > speakers and headphones, but I would say that the average user doesn't want > both at the same time. > > -d > > > -- > -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- > The competent programmer is fully aware of the limited size of his own > skull. He therefore approaches his task with full humility, and avoids > clever tricks like the plague. > - Djikstra. > _______________________________________________ > Alsa-devel mailing list > Alsa-devel@xxxxxxxxxxxxxxxx > http://mailman.alsa-project.org/mailman/listinfo/alsa-devel > _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
