[piotrasd]

device in dmesg is
[ 7.227533] [drm] mid_hdmi_audio_register: Scheduling HDMI audio work queue
[ 7.262630] dw_dmac INTL9C60:00: DesignWare DMA Controller, 8 channels
[ 7.289408] dw_dmac INTL9C60:01: DesignWare DMA Controller, 8 channels
(8 channels)

from kodi
19:10:07 15.219847 T:140330291664960 NOTICE: Enumerated ALSA devices:
19:10:07 15.219871 T:140330291664960 NOTICE: Device 1
19:10:07 15.220220 T:140330291664960 NOTICE: m_deviceName : default
19:10:07 15.220249 T:140330291664960 NOTICE: m_displayName : Default (IntelHDMI IntelHDMI)
19:10:07 15.220272 T:140330291664960 NOTICE: m_displayNameExtra:
19:10:07 15.220295 T:140330291664960 NOTICE: m_deviceType : AE_DEVTYPE_PCM
19:10:07 15.220318 T:140330291664960 NOTICE: m_channels : FL,FR,BL,BR,FC,LFE,SL,SR
19:10:07 15.220342 T:140330291664960 NOTICE: m_sampleRates : 32000,44100,48000,88200,96000,176400,192000
19:10:07 15.220365 T:140330291664960 NOTICE: m_dataFormats : AE_FMT_S24NE4
19:10:07 15.220387 T:140330291664960 NOTICE: m_streamTypes : No passthrough capabilities

I dont have right now good AVR with HDMI for test PCM multichannel