I am now on the other laptop (with audio over hdmi working with the same
tv/cable) checking which EDID is reported:
$ xrandr --verbose
Screen 0: minimum 320 x 200, current 1366 x 768, maximum 32767 x 32767
LVDS1 connected primary 1366x768+0+0 (0x49) normal (normal left inverted right
x axis y axis) 345mm x 194mm
Identifier: 0x42
Timestamp: 54545
Subpixel: horizontal rgb
Gamma: 1.0:1.0:1.0
Brightness: 1.0
Clones:
CRTC: 0
CRTCs: 0 1
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
EDID:
00ffffffffffff0030e4020200000000
00130103802313780a28659759548e27
1e505400000001010101010101010101
010101010101561d56c6500020303020
350059c2100000190000000000000000
00000000000000000000000000fe004c
4720446973706c61790a2020000000fc
004c503135365748332d544c41310039
BACKLIGHT: 9
range: (0, 9)
Backlight: 9
range: (0, 9)
scaling mode: Full aspect
supported: NoneFullCenterFull aspect
The EDID is different than when connected on the intel haswell laptop.
Does this make sense? Can it be that the driver incorrectly reads the
EDID?
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https://bugs.launchpad.net/bugs/1264665
Title:
[W65_67SZ, Intel Haswell HDMI, Digital Out, HDMI] Playback problem,
pavucontrol shows hdmi signal but no sound on tv
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