[Intel-gfx] HDMI Audio Channels mis-detected on i915

Jeremy Bush contractfrombelow at gmail.com
Sat May 21 03:06:20 CEST 2011


Hello,

I posted something similar to this on the ALSA mailing list, but they directed me here, since HDMI detection has to do with the video driver instead of ALSA.

I have my machine hooked up to an Onkyo TX-SR607 7.2-Channel receiver. Yet when the machine boots,  HDMI detection mis-detects the hardware on the other end of the HDMI cable:

[ 2.090473] HDMI: detected monitor at connection type HDMI
[ 2.090475] HDMI: available speakers: FL/FR
[ 2.090477] HDMI: supports coding type LPCM: channels = 2, rates = 44100 48000 88200, bits = 16
[ 2.090480] HDMI hot plug event: Pin=6 Presence_Detect=1 ELD_Valid=1

You can see my whole alsa info (including it actually detecting the hardware can do 7.1 [note Node 0x06 [Pin Complex] wcaps 0x40778d: 8-Channels Digital Amp-Out CP]) here: http://www.alsa-project.org/db/?f=5b55a63fea6580dfcbf1a85c7c734f977df798f1

Is this a known problem?

My machine specs are as follows:

Intel i3 2100T
MSI H67MA-E45 (with Realtek ALC892 audio chip)

I'm using HDMI output only.

Thanks for any info-

Jeremy Bush


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