No sound with HDMI

[Alex Povolotsky]

Hello

I'm using notebook MSI GE620DX, built-in speakers works fine, but no 
sound from HDMI output.

# sysctl dev.pcm.2
dev.pcm.2.%desc: Intel Cougar Point (HDMI/DP 8ch)
dev.pcm.2.%driver: pcm
dev.pcm.2.%location: nid=7
dev.pcm.2.%parent: hdaa1
dev.pcm.2.play.vchans: 1
dev.pcm.2.play.vchanmode: passthrough
dev.pcm.2.play.vchanrate: 48000
dev.pcm.2.play.vchanformat: s16le:2.0
dev.pcm.2.play.32bit: 24
dev.pcm.2.buffersize: 65536
dev.pcm.2.bitperfect: 0

# sysctl dev.hdaa.1
dev.hdaa.1.%desc: Intel Cougar Point Audio Function Group
dev.hdaa.1.%driver: hdaa
dev.hdaa.1.%location: nid=1
dev.hdaa.1.%pnpinfo: type=0x01 subsystem=0x1462108d
dev.hdaa.1.%parent: hdacc1
dev.hdaa.1.nid5_config: 0x58560010 as=1 seq=0 device=Digital-out 
conn=None ctype=Digital loc=0x18 color=Unknown misc=0
dev.hdaa.1.nid5_original: 0x58560010 as=1 seq=0 device=Digital-out 
conn=None ctype=Digital loc=0x18 color=Unknown misc=0
dev.hdaa.1.nid6_config: 0x58560020 as=2 seq=0 device=Digital-out 
conn=None ctype=Digital loc=0x18 color=Unknown misc=0
dev.hdaa.1.nid6_original: 0x58560020 as=2 seq=0 device=Digital-out 
conn=None ctype=Digital loc=0x18 color=Unknown misc=0
dev.hdaa.1.nid7_config: 0x18560030 as=3 seq=0 device=Digital-out 
conn=Jack ctype=Digital loc=0x18 color=Unknown misc=0
dev.hdaa.1.nid7_original: 0x18560030 as=3 seq=0 device=Digital-out 
conn=Jack ctype=Digital loc=0x18 color=Unknown misc=0
dev.hdaa.1.config: forcestereo,ivref50,ivref80,ivref100,ivref,vref
dev.hdaa.1.gpi_state:
dev.hdaa.1.gpio_state:
dev.hdaa.1.gpio_config:
dev.hdaa.1.gpo_state:
dev.hdaa.1.gpo_config:
dev.hdaa.1.reconfig: 0

# sysctl dev.hdacc.1
dev.hdacc.1.%desc: Intel Cougar Point HDA CODEC
dev.hdacc.1.%driver: hdacc
dev.hdacc.1.%location: cad=3
dev.hdacc.1.%pnpinfo: vendor=0x8086 device=0x2805 revision=0x00 
stepping=0x00
dev.hdacc.1.%parent: hdac0

# sysctl dev.hdac.0
dev.hdac.0.%desc: Intel Cougar Point HDA Controller
dev.hdac.0.%driver: hdac
dev.hdac.0.%location: slot=27 function=0 handle=\_SB_.PCI0.HDEF
dev.hdac.0.%pnpinfo: vendor=0x8086 device=0x1c20 subvendor=0x1462 
subdevice=0x108d class=0x040300
dev.hdac.0.%parent: pci0
dev.hdac.0.wake: 0
dev.hdac.0.pindump: 0
dev.hdac.0.polling: 1

hdac0 works fine, for builtin speakers depends on it, too; however, no 
error and no sound from pcm2.

What can I check/change?

Alex