On 2009.04.16 05:54:05 -0400, p...@intl.sbrk.co.uk wrote: > Hi, > > I've also sent this query to the alsa mailing list, but I think it's > more to do with the video driver than with alsa. > > 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. > > >From /var/log/Xorg.0.log I see: > Loading /usr/lib64/xorg/modules/drivers//intel_drv.so > .. > (II) Primary Device is: PCI 0...@00:02:0 > > Can someone tell me what this hot plug event signifies > and is there anything I can do to stop it disabling HDMI > audio? >
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. -- Open Source Technology Center, Intel ltd. $gpg --keyserver wwwkeys.pgp.net --recv-keys 4D781827
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