HDMI audio stops working when X starts

Zhenyu Wang zhenyuw at linux.intel.com
Wed Apr 22 01:18:02 PDT 2009


On 2009.04.22 03:37:00 -0400, paul at intl.sbrk.co.uk wrote:
> On Wed, Apr 22, 2009 at 09:45:50AM +0800, Zhenyu Wang wrote:
> > On 2009.04.16 05:54:05 -0400, paul at intl.sbrk.co.uk wrote:
> 
> > > The problem is that HDMI audio works fine until I start X. The
> > > driver for the Intel(R) Mobile Intel? GM45 Express Chipset
> > > loads and I see a message in dmesg:
> > > HDMI hot plug event: Presence_Detect=0 ELD_Valid=1
> > > and sound output ceases. If I stop X, then I get
> > > HDMI hot plug event: Presence_Detect=1 ELD_Valid=1
> > > and sound output returns.
>  
> > What's your kernel version?  Ma Ling's patch in linus tree
> > "drm/i915: sync hdmi detection by hdmi identifier with 2D" should
> > have fixed this by detect hdmi sink correctly.
> 
> I've just tried it on 2.6.29.1 with the same symptoms. I can
> see the sync hdmi detection code in drm/i915/*.c.
> 
> Is the problem that it sees the audio sink and assigns it
> for the video driver taking it away from the alsa driver?
> 

I don't think the fix is in 2.6.29.1, pls try 2.6.30-rc3 now.

-- 
Open Source Technology Center, Intel ltd.

$gpg --keyserver wwwkeys.pgp.net --recv-keys 4D781827
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 197 bytes
Desc: Digital signature
URL: <http://lists.x.org/archives/xorg/attachments/20090422/8ac609a4/attachment.pgp>


More information about the xorg mailing list