HDMI audio stops working when X starts
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 126.96.36.199 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 188.8.131.52, pls try 2.6.30-rc3 now.
Open Source Technology Center, Intel ltd.
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