James, thanks for the quick reply. 2009/10/26 James Cameron <quozl@xxxxxxxxxxxxx>: > On Mon, Oct 26, 2009 at 12:16:57PM +0200, Antanas Budri?nas wrote: >> I have rather strange problem. >> There is HP 6735b laptop with integrated audio - >> Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA) >> but IMHO sound chip isn't relevant at all. >> OS: Ubuntustudio 9.04 >> I can hear sound playback through headphones' output but no sound from >> built-in speakers (with headphones disconnected). >> Alsamixer shows all playback levels high and unmuted. >> Win Vista (dual boot) playbacks audio through laptops speaker easely. > > Okay, good, that last bit shows there isn't electrical damage. If there > was, then the head-phone present (hp) feature may misbehave. I've had > experience of that: http://quozl.linux.org.au/2008-12-19-hp-present/ > > Unlike what you say, I think the sound chip is critical. The Intel HDA > is often used with head-phone present feature ... so that when you plug > in the head-phone the amplifier is cut off. But that is done by > software; by the driver. Understand. > You either have the wrong driver loaded, or the wrong options for the > driver, or the driver is faulty. That the driver in the other operating > system works is good data. > > Grab a copy of the Ubuntu 9.10 release candidate, boot from CD, and see > if it is fixed in that. I'm doing exactly this at the moment. > If so, wait for Ubuntustudio 9.10 or later. I'll try. Thanks again! Antanas Budriūnas _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx http://lists.linuxaudio.org/mailman/listinfo/linux-audio-user
