No sound via HDMI with Intel DG45FC

[Robert Noland]

On Fri, 2009-07-03 at 09:53 +0200, Harald Neuffer wrote:
> Hello,
> 
> I have an Intel motherboard DG45FC with a 7-STABLE from 2 days ago. 
> Everything is fine, except that the sound is not working, when I connect 
> the computer to the LCD-TV via HDMI. From dmesg I got the following:
> 
> hdac0: <Intel 82801J High Definition Audio Controller> mem 
> 0xff950000-0xff953fff irq 22 at device 27.0 on pci0
> hdac0: HDA Driver Revision: 20090329_0131
> hdac0: [ITHREAD]
> hdac0: HDA Codec #2: IDT 92HD73E1
> hdac0: HDA Codec #3: Intel G45 HDMI
> pcm0: <HDA IDT 92HD73E1 PCM #0 Analog> at cad 2 nid 1 on hdac0
> pcm1: <HDA IDT 92HD73E1 PCM #1 Analog> at cad 2 nid 1 on hdac0
> pcm2: <HDA IDT 92HD73E1 PCM #2 Digital> at cad 2 nid 1 on hdac0
> pcm3: <HDA Intel G45 HDMI PCM #0 Digital> at cad 3 nid 1 on hdac0
> 
> /dev/sndstat is saying:
> 
> FreeBSD Audio Driver (newpcm: 32bit 2007061600/i386)
> Installed devices:
> pcm0: <HDA IDT 92HD73E1 PCM #0 Analog> at cad 2 nid 1 on hdac0 kld 
> snd_hda [MPSAFE] (1p:1v/1r:1v channels duplex default)
> pcm1: <HDA IDT 92HD73E1 PCM #1 Analog> at cad 2 nid 1 on hdac0 kld 
> snd_hda [MPSAFE] (0p:0v/1r:1v channels)
> pcm2: <HDA IDT 92HD73E1 PCM #2 Digital> at cad 2 nid 1 on hdac0 kld 
> snd_hda [MPSAFE] (1p:1v/0r:0v channels)
> pcm3: <HDA Intel G45 HDMI PCM #0 Digital> at cad 3 nid 1 on hdac0 kld 
> snd_hda [MPSAFE] (1p:1v/0r:0v channels)
> 
> 
> I set hw.snd.default_unit to 3, but there is no sound over HDMI.

Hrm, I wonder if the audio codec still needs to be setup.  The radeonhd
driver has an Audio option to get the codec setup properly, but I'm not
sure about Intel.  I don't have anything to output an HDMI stream to
right now.  I'll try to poke around and see if I see anything.

robert.

> TIA,
> 
> Harald
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-- 
Robert Noland <rnoland at FreeBSD.org>
FreeBSD
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