On Fri, Jul 30, 2010 at 14:34, Takashi Iwai <tiwai@xxxxxxx> wrote: > At Thu, 29 Jul 2010 13:27:02 +0200, > Damien Thébault wrote: >> >> Hello, >> >> My laptop is a Zepto Nox A14, with an ALC 262 audio chip. >> HDMI is connected through an NVIDIA GeForce 9600 graphic card. >> >> After some investigation, it appears that to output HDMI audio, I have >> to use the sound card which has a digital out for HDMI connected to >> the graphic card (there is no nvhdmi thing). >> I noticed with hda_analyser that there are two digital audio out >> nodes, the first one is the default ALC 262 one (S/PDIF). With the >> default configuration, when I enable what's called "HDMI" it's S/PDIF >> that is enabled (and I can see the red light on the mini-TOSLINK jack >> when it's enabled). >> So I was thinking that the second digital out was for the real HDMI. >> >> I went into patch_realtek.c and used the id of the second digital out >> (0x10) instead of ALC_262_DIGOUT_NID (0x06) in >> alc262_parse_auto_config. >> That allowed me to have a alsa device hw:0,3 connected to the digital >> out 0x10 instead of having it on 0x06. >> Then I had to enable the linked pin too, because otherwise I didn't >> have any sound. The pin connected to the digital out 0x10 is 0x11 (the >> one connected to 0x06 is 0x1e). >> >> So in the end, I'm able to have HDMI sound! Now here are my questions: >> >> - how can I add this with SND_PCI_QUIRK? >> I think that I have to find the IDs of my setup (PCI ID?) and then >> create a preset. How can I find this ID on my system? >> There is a dig_out_nid field in the preset so I would use 0x10 instead >> of ALC262_DIGOUT_NID (0x06). >> I don't know how to change the pin from 0x1e to 0x11, is it automatic? > > Could you try the latest alsa-driver-snapshot below? > ftp://ftp.kernel.org/pub/linux/kernel/people/tiwai/snapshot/alsa-driver-snapshot.tar.gz > > It'll make both digital outputs available, at least. > It's no best solution, but a workable one. This snapshot allows me to have hdmi working without any modification. (And the S/PDIF output lights up too, but I don't know if it's working or not) So it solves my problem, hdmi audio is now working out of the box on this system! Thanks! -- Damien Thebault _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
