eDP1 connected 1920x1080+0+0 (0x6e) normal (normal left inverted right x axis y
axis) 344mm x 194mm
EDID:
00ffffffffffff000daec21500000000
04170104952213780246359e57579427
14505400000001010101010101010101
010101010101b43b804a713834405a3c
690058c21000001acd27804a71383440
5a3c690058c21000001a000000000000
00000000000000000000000000000002
000c33ff0f3c96211433960000000070
do your CMN monitor support more than two speakers ?
CMN Model 15c2
Made week 4 of 2013
DisplayPort interface
8.259472] [drm] Radeon Display Connectors
[ 8.259474] [drm] Connector 0:
[ 8.259475] [drm] DP-3
[ 8.259476] [drm] HPD1
[ 8.259478] [drm] DDC: 0x6530 0x6530 0x6534 0x6534 0x6538 0x6538 0x653c
0x653c
[ 8.259479] [drm] Encoders:
[ 8.259480] [drm] DFP1: INTERNAL_UNIPHY
[ 8.259481] [drm] Connector 1:
[ 8.259483] [drm] DP-4
[ 8.259483] [drm] HPD2
[ 8.259485] [drm] DDC: 0x6540 0x6540 0x6544 0x6544 0x6548 0x6548 0x654c
0x654c
[ 8.259486] [drm] Encoders:
[ 8.259487] [drm] DFP2: INTERNAL_UNIPHY
[ 8.265290] [drm] Internal thermal controller without fan control
[ 8.265377] [drm] probing gen 2 caps for device 8086:9c18 = 5323c42/0
[ 9.821797] [drm] radeon: dpm initialized
your haswell support 8 channel LPCM, HBR and need to know your HDMI monitor
speaker setup
Node 0x05 [Pin Complex] wcaps 0x40778d: 8-Channels Digital Amp-Out CP
Control: name="HDMI/DP,pcm=3 Jack", index=0, device=0
Control: name="IEC958 Playback Con Mask", index=0, device=0
Control: name="IEC958 Playback Pro Mask", index=0, device=0
Control: name="IEC958 Playback Default", index=0, device=0
Control: name="IEC958 Playback Switch", index=0, device=0
Control: name="ELD", index=0, device=3
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x00 0x00]
Pincap 0x0b000094: OUT Detect HBR HDMI DP
Pin Default 0x18560010: [Jack] Digital Out at Int HDMI
but do your radeon really need speaker allocation for playing stereo ?
Node 0x03 [Pin Complex] wcaps 0x400381: Stereo Digital
Control: name="HDMI/DP,pcm=3 Jack", index=0, device=0
Control: name="IEC958 Playback Con Mask", index=0, device=0
Control: name="IEC958 Playback Pro Mask", index=0, device=0
Control: name="IEC958 Playback Default", index=0, device=0
Control: name="IEC958 Playback Switch", index=0, device=0
Control: name="ELD", index=0, device=3
Pincap 0x00000094: OUT Detect HDMI
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Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1310260
Title:
Pulseaudio fails to detect card (probably due to hybrid graphics)
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