Hi Punky,
Thank you for your suggestion. After updating to 3.18 kernel I was able to
see HDMI audio as first ALSA device. It is great that it supports 96/24 and
even 192/24 PCM!
Then I encountered another problem - the audio from HDMI connection seems to
support only stereo and not multichannel. How can I play multichannel (e.g.
flac 5.1ch source) through HDMI?
>From below it seems that surround is assigned to USBDAC(UDAC32RD), not HDMI.
How cam I change it?
root@voyage-mubox:~# aplay -L
null
Discard all samples (playback) or generate zero samples (capture)
default:CARD=DWHDMI
DW-HDMI, dw-hdmi-audio
Default Audio Device
sysdefault:CARD=DWHDMI
DW-HDMI, dw-hdmi-audio
Default Audio Device
default:CARD=SPDIF
Integrated SPDIF,
Default Audio Device
sysdefault:CARD=SPDIF
Integrated SPDIF,
Default Audio Device
default:CARD=UDAC32RD
UDAC32RD, USB Audio
Default Audio Device
sysdefault:CARD=UDAC32RD
UDAC32RD, USB Audio
Default Audio Device
front:CARD=UDAC32RD,DEV=0
UDAC32RD, USB Audio
Front speakers
surround40:CARD=UDAC32RD,DEV=0
UDAC32RD, USB Audio
4.0 Surround output to Front and Rear speakers
surround41:CARD=UDAC32RD,DEV=0
UDAC32RD, USB Audio
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=UDAC32RD,DEV=0
UDAC32RD, USB Audio
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=UDAC32RD,DEV=0
UDAC32RD, USB Audio
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=UDAC32RD,DEV=0
UDAC32RD, USB Audio
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=UDAC32RD,DEV=0
UDAC32RD, USB Audio
IEC958 (S/PDIF) Digital Audio Output
root@voyage-mubox:~#
Cheers,
masayk
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