On 6/20/06, Paul Johnson <<a href="mailto:pauljohn32@gmail.com">pauljohn32@gmail.com</a>> wrote:<div><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> This is a laptop computer. I thought that was obvious when I said it is a laptop. The built in speakers are not "plugged in" to the back. Did I mention this is a laptop? pj On 6/20/06, Jeff Vian < <a href="mailto:jvian10@charter.net">jvian10@charter.net</a>> wrote: > On Mon, 2006-06-19 at 23:23 -0600, Paul Johnson wrote: > > I have a Dell Latitude D820 and in order to make sound work at all, I > > had to install the newer Alsa drivers & utilties as described on the > > RedHat help site. > > <a href="http://people.redhat.com/stransky/alsa/">http://people.redhat.com/stransky/alsa/</a> > > > > This laptop has an Intel southbridge architecture that uses the driver > > snd-hda-intel. > > > > Here is the problem. If the laptop starts and no headphones are > > plugged in, then inserting the headphones does nothing--sound keeps > > coming out from speakers. > > > > Conversely, if I put in the headphones before starting the comptuer, > > then the headphones do work, but yanking them does not make the > > speakers work. > > > I am not sure what you mean here about speakers and headphones. On my > systems the speakers (front/stereo) plug into the same jack as the > headphones on the rear. If the speakers work then the headphones will > work. > > If, on the other hand, you are using the speakers in the rear jack and > plugging the headphones in the front jack then this may be an issue with > the way the front panel audio is connected to the audio ports on the > mobo. With a front panel properly connected it should not matter. The > front panel jack will disable the rear jack when plugged in, but should > never depend on which is connected at boot time to determine which is > enabled. > > > The alsa mixer does not show the headphones device, at all. None of > > the gnome mixer tools or kde mixer tools show more devices. > > > Nothing I know of explicitly lists the headphone device. It is after > all a speaker set and plugs into the same jack on the sound card. > Some have had problems with the external speakers never working. > > One thing I have found and has been repeated here by many is that there > is an "external amplifier" switch in the alsa volume control panel. > Sometimes this is off and the speakers will not work so turning it on > enables the speakers. This does not seem to be what you describe > however. > > >From reading the way you describe it I suspect the problem with cabling > for the front panel audio, but only you can answer that. > > > I've stumbled throught a lot of Alsa documentation and there is a hint > > that specifying the model= option in modules.conf might help, but I > > don't understand the jargon for figuring out what model I have. They > > offer weird names like "3stack" and such. Do you know what model to > > use? Here's all the info I have: > > > > # aplay -l > > **** List of PLAYBACK Hardware Devices **** > > card 0: Intel [HDA Intel], device 0: STAC92xx Analog [STAC92xx Analog] > > Subdevices: 1/1 > > Subdevice #0: subdevice #0 > > card 0: Intel [HDA Intel], device 1: STAC92xx Digital [STAC92xx Digital] > > Subdevices: 1/1 > > Subdevice #0: subdevice #0 > > > > # cat /proc/asound/cards > > 0 [Intel ]: HDA-Intel - HDA Intel > > HDA Intel at 0xdfffc000 irq 21 > > > > > > # /sbin/lspci -vv > > > > .... > > 00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High > > Definition Audio Controller (rev 01) > > Subsystem: Dell Unknown device 01cc > > Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- > > ParErr- Stepping- SERR+ FastB2B- > > Status: Cap+ 66MHz- UDF- FastB2B- ParErr- DEVSEL=fast >TAbort- > > <TAbort- <MAbort- >SERR- <PERR- > > Latency: 0, Cache Line Size 10 > > Interrupt: pin A routed to IRQ 21 > > > > Interrupt: pin A routed to IRQ 21 > > Region 0: Memory at dfffc000 (64-bit, non-prefetchable) [size=16K] > > Capabilities: [50] Power Management version 2 > > Flags: PMEClk- DSI- D1- D2- AuxCurrent=55mA > > PME(D0+,D1-,D2-,D3hot+,D3cold+) > > Status: D0 PME-Enable- DSel=0 DScale=0 PME- > > Capabilities: [60] Message Signalled Interrupts: 64bit+ > > Queue=0/0 Enable- > > Address: 0000000000000000 Data: 0000 > > Capabilities: [70] Express Unknown type IRQ 0 > > Device: Supported: MaxPayload 128 bytes, PhantFunc 0, ExtTag- > > Device: Latency L0s <64ns, L1 <1us > > Device: Errors: Correctable- Non-Fatal- Fatal- Unsupported- > > Device: RlxdOrd- ExtTag- PhantFunc- AuxPwr- NoSnoop+ > > Device: MaxPayload 128 bytes, MaxReadReq 128 bytes > > Link: Supported Speed unknown, Width x0, ASPM unknown, Port 0 > > Link: Latency L0s <64ns, L1 <1us > > Link: ASPM Disabled CommClk- ExtSynch- > > Link: Speed unknown, Width x0 > > Capabilities: [100] Virtual Channel > > Capabilities: [130] Unknown (5) > > ... > > > > > > > > > > -- > > Paul E. Johnson > > Professor, Political Science > > 1541 Lilac Lane, Room 504 > > University of Kansas > > > > -- > fedora-list mailing list > <a href="mailto:fedora-list@redhat.com">fedora-list@redhat.com</a> > To unsubscribe: <a href="https://www.redhat.com/mailman/listinfo/fedora-list"> https://www.redhat.com/mailman/listinfo/fedora-list</a> > -- Paul E. Johnson Professor, Political Science 1541 Lilac Lane, Room 504 University of Kansas -- fedora-list mailing list <a href="mailto:fedora-list@redhat.com">fedora-list@redhat.com</a> To unsubscribe: <a href="https://www.redhat.com/mailman/listinfo/fedora-list">https://www.redhat.com/mailman/listinfo/fedora-list</a> </blockquote></div> I have a Dell Latitude D820 and all I did was follow the instructions on this website <a href="http://mysite.verizon.net/vze2j8bn/D820-FC5.html">http://mysite.verizon.net/vze2j8bn/D820-FC5.html</a> to get my sound working. I can switch between headphones with out any problems. Currently running Kernel 2.6.16-1.2133_FC5smp, and the only problem I have is I got the BCM4311 wireless card which I am having a few little problems with. -- Terry Snyder Jr Computer Support Specialist <a href="http://www.personal.psu.edu/tes215">http://www.personal.psu.edu/tes215</a> Linux (Red Hat, Fedora Core), Windows, Mac Fedora Core 5 3 users, load average: 0.19, 0.30, 0.28