http://www.jetway.com.tw/jetway/system/productshow.asp?id=404&proname=J9F2-Extreme
Most interestingly, it has Intel (945GM) graphics with an HDMI output. I have managed to find out the following about it:
- Chipset appears to be Realtek ALC883
Running a 2.6.23 kernel, I see the following aplay output:
=================================================
# aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC883 Analog [ALC883 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 0: Intel [HDA Intel], device 1: ALC883 Digital [ALC883 Digital]
Subdevices: 1/1
Subdevice #0: subdevice #0
=================================================
And:
=================================================
# cat /proc/asound/card0/codec\#0
Codec: Generic 17e8 ID 47
Address: 0
Vendor Id: 0x17e80047
Subsystem Id: 0x17e80047
Revision Id: 0x100200
No Modem Function Group found
Default PCM:
rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000
bits [0xe]: 16 20 24
formats [0x5]: PCM AC3
Default Amp-In caps: N/A
Default Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Node 0x02 [Audio Output] wcaps 0x6201: Stereo Digital
Node 0x03 [Pin Complex] wcaps 0x40708d: Stereo Amp-Out
Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
Amp-Out vals: [0x00 0x00]
Pincap 0x0894: OUT Detect
Pin Default 0x98467010: [Fixed] SPDIF Out at Int HDMI
Conn = Digital, Color = Yellow
Pin-ctls: 0x40: OUT
=================================================
I am able to use aplay to send an ac3 file to the device, but I never hear anything on the TV which is HDMI connected.
Following an email to the manufacturers European support representatives, I was asked to try the following custom version of ALSA:
http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=1&PFid=24&Level=4&Conn=3&DownTypeID=3
I am working on building and trying these drivers, but have a couple of questions in the meantime:
1. Does anyone know what the status of HDMI audio support is (in particular Intel)?
2. Any idea why Realtek are maintaining their own version of drivers? Is this a legal/licensing issue?
TIA
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