[mythtv-users] No HDMI audio

[Allen Edwards]

On Wed, Jul 15, 2009 at 2:07 PM, Marc Tousignant <drayson at net1plus.com>wrote:

>
>
>
>
> *From:* mythtv-users-bounces at mythtv.org [mailto:
> mythtv-users-bounces at mythtv.org] *On Behalf Of *Allen Edwards
> *Sent:* Wednesday, July 15, 2009 4:00 PM
>
> *To:* Discussion about mythtv
> *Subject:* Re: [mythtv-users] No HDMI audio
>
>
>
>  I’ll get more info for you later tonight.
>
>
>
> I will post after getting that.
>
>
>
> Allen
>
>
>
>
>
> Ok, I’m home for lunch break, gotta love living a mile from work.
>
>
>
> OK in the BIOS for the IONITX, all revs.
>
> In Chipset > Southbridge Configuration there is an item for AZALIA AUDIO.
>
> The options are Disabled, Internal codec + External codec, Internal codec,
> and External codec
>
> Default option is Internal codec + External codec.
>
> According to the BIOS info, 'Internal codec' is NVIDIA HDMI audio
> controller, while 'External codec' is ALC885
>
> According to Phill, HDMI does not work in Internal only mode and he had to
> select Internal + External, further testing is needed.
>
>
>
> Kernel modules that need to be compiled or build in are as follows
>
>
>
> To enabled HDA
>
> CONFIG_SND_HDA_INTEL=y
>
>
>
> For mini-jacks and spdif
>
> CONFIG_SND_HDA_CODEC_REALTEK=y
>
>
>
> For HDMI
>
> CONFIG_SND_HDA_CODEC_NVHDMI=y
>
>
>
> Not sure, Phill had it on, I didn’t question it.
>
> CONFIG_SND_HDA_GENERIC=y
>
>
>
> aplay –l from a working system with both HDMI and spdif audio.
>
> # aplay -l
>
> **** List of PLAYBACK Hardware Devices ****
>
> card 0: NVidia [HDA NVidia], device 0: ALC662 Analog [ALC662 Analog]
>
>   Subdevices: 1/1
>
>   Subdevice #0: subdevice #0
>
> card 0: NVidia [HDA NVidia], device 1: ALC662 Digital [ALC662 Digital]
>
>   Subdevices: 1/1
>
>   Subdevice #0: subdevice #0
>
> card 0: NVidia [HDA NVidia], device 3: NVIDIA HDMI [NVIDIA HDMI]
>
>   Subdevices: 1/1
>
>   Subdevice #0: subdevice #0
>
>
>
> aplay –L from a working system with both HDMI and spdif audio.
>
> # aplay -L
>
> front:CARD=NVidia,DEV=0
>
>     HDA NVidia, ALC662 Analog
>
>     Front speakers
>
> surround40:CARD=NVidia,DEV=0
>
>     HDA NVidia, ALC662 Analog
>
>     4.0 Surround output to Front and Rear speakers
>
> surround41:CARD=NVidia,DEV=0
>
>     HDA NVidia, ALC662 Analog
>
>     4.1 Surround output to Front, Rear and Subwoofer speakers
>
> surround50:CARD=NVidia,DEV=0
>
>     HDA NVidia, ALC662 Analog
>
>     5.0 Surround output to Front, Center and Rear speakers
>
> surround51:CARD=NVidia,DEV=0
>
>     HDA NVidia, ALC662 Analog
>
>     5.1 Surround output to Front, Center, Rear and Subwoofer speakers
>
> surround71:CARD=NVidia,DEV=0
>
>     HDA NVidia, ALC662 Analog
>
>     7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
>
> iec958:CARD=NVidia,DEV=0
>
>     HDA NVidia, ALC662 Digital
>
>     IEC958 (S/PDIF) Digital Audio Output
>
> hdmi:CARD=NVidia,DEV=0
>
>     HDA NVidia, NVIDIA HDMI
>
>     HDMI Audio Output
>
> null
>
>     Discard all samples (playback) or generate zero samples (capture)
>
>
>
> lspci -vvv
>
>
>
> 00:08.0 Audio device: nVidia Corporation MCP79 High Definition Audio (rev
> b1)
>
>         Subsystem: PC Partner Limited Device 437b
>
>         Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
> Stepping- SERR- FastB2B- DisINTx-
>
>         Status: Cap+ 66MHz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort-
> <TAbort- <MAbort- >SERR- <PERR- INTx-
>
>         Latency: 0 (500ns min, 1250ns max)
>
>         Interrupt: pin A routed to IRQ 21
>
>         Region 0: Memory at fae78000 (32-bit, non-prefetchable) [size=16K]
>
>         Capabilities: [44] Power Management version 2
>
>                 Flags: PMEClk- DSI- D1- D2- AuxCurrent=0mA
> PME(D0-,D1-,D2-,D3hot+,D3cold+)
>
>                 Status: D0 PME-Enable- DSel=0 DScale=0 PME-
>
>         Kernel driver in use: HDA Intel
>
>
>
> Unfortunately whether you build one or both modules it lspci only tells you
> HDA Intel
>
>
>
> # cat /proc/asound/devices
>
>   0: [ 0]   : control
>
>   1:        : sequencer
>
>  16: [ 0- 0]: digital audio playback
>
>  17: [ 0- 1]: digital audio playback
>
>  19: [ 0- 3]: digital audio playback
>
>  24: [ 0- 0]: digital audio capture
>
>  33:        : timer
>
>
>
> If I recall correctly item 19 was missing before I activated the realtek
> driver.
>
>
>
> Anything else you want to know?
>
>
>
> Marc
>

What I did was put a link to this discussion in the wiki.  I think that is
the best way to deal with it as I can't exactly repeat what you are doing so
I can't improve on it in any way.

Thanks for taking the time to document this.

Allen
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