Herton, I downloaded the patches. What do I do with them? Will these address MSI PCI enable and config mentioned in your email? Thank You, Tim Barnette 2009/2/2 Herton Ronaldo Krzesinski <herton@xxxxxxxxxxxxxxx> > Em Sábado 31 Janeiro 2009, às 05:52:19, Jean-Pierre André escreveu: > > > > Hi, > > > > > Hi all, I have an HP DV4 1155-SE, I've been unable to get sound working > > > through the speakers, although it does work through the headhpones. I > ran > > > alsa-.upgrade which downloaded compiled, and installed 1.0.19 - still > no > > > luck. > > > > > > > I have the same IDT codec 92HD71B7X on another > > HP DV4 model, and I have tracked the problem to be > > the kernel configuring IRQ 22 through the APIC, but > > interrupts triggerring IRQ 20 (on kernel 2.6.27 and > > alsa 1.0.19). It would be interesting if you could > > confirm this by analyzing /proc/interrupts. > > > > The workarounds I know of are : > > - adding irqpoll to the boot options, > > - or adding noapic to the boot options, > > - using mplayer to play music. > > > > There are with option "snd-hda-intel model=hp-m4" > > (this option is for HP DV5/DV7, but HP DV4 > > is probably different) > > > > I have not enough knowledge to tell where the problem > > lies : kernel, apic, alsa. > > It looks like some of these HP laptops have some sort of IRQ issue indeed, > to > me it was reported that enabling pci MSI (both system wide and with > enable_msi=1 given to snd-hda-intel) cured issues in some cases, along with > some changes to sigmatel codec handling code in snd-hda-intel > > I have a ticked opened where people started to complain about sound issues > with hda-intel+sigmatel codec starting with alsa 1.0.18rc3 (sorry, it's a > great mess, type of the ticket everyone says sound doesn't work and report > in, > but where I tried to filter some things out): > https://qa.mandriva.com/show_bug.cgi?id=44855 > Also some reports are hard to understand sometimes. > With alsa 1.0.18 final in 2.6.27 (or 2.6.28) many issues related on the > ticket > were fixed, but issues with HP laptops remained. > > I don't have any of affected HP laptops for test, but based on sigmatel > datasheets, reports of users and pin cfgs used in .ini files of sigmatel > windows drivers I made some changes to sigmatel code, plus added patch to > set > enable_msi. The only issue I have with the changes, and that's why I didn't > submit yet, is that I should have split them, don't know if everything is > really required, and ask here to clarify some things below; also the > changes > are outdated compared to current sound git tree. > > I'm attaching here the changes, they were made against kernel 2.6.28.2 > - One patch deals with the sigmatel codec code, some things to note (others > are cited on the patch): > * despite being almost the same, only with some models missing > widgets/pins, I > splitted support from patch_stac92hd71bxx for idt 92HD71B5X (4 port), > 92HD75B1/2 (5 port). Mostly because of different number of pins between > them, > may be could have still hacked more stac92xx_set_config_regs to avoid this. > * Many people complained about the Analog Loopback, causing problems when > it's > enabled; I really don't know what exactly this is supposed to do (is it > just a > mute of outputs or something like is described here?: > http://people.atrpms.net/~pcavalcanti/alsa-1.0.15rc2_snd-hda-intel.html<http://people.atrpms.net/%7Epcavalcanti/alsa-1.0.15rc2_snd-hda-intel.html>) > and > all sigmatel datasheets I look don't mention it, in the patch I removed it. > * power management on pins (stac92hd71bxx_pwr_nids) are not listed on > sigmatel > datasheets I dowloaded from idt site (for STAC92HD71Bx and STAC92HD75Bx), > so I > removed its setting (or I'm missing something here...). > - The other patch adds a quirk list to force enable_msi=1. PCI_MSI must be > enabled to give results. > > > > > Regards > > > > Jean-Pierre > > > > > > > I ran alsa-info, output here: > > > > http://www.alsa-project.org/db/?f=844b7ee6468067460e17b7fc694e49052072a26f > > > > > > I filed a bug, here: > > > https://bugtrack.alsa-project.org/alsa-bug/view.php?id=4374 > > > > > > Any ideas? > > > > > -- > []'s > Herton > > _______________________________________________ > 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
