[alsa-devel] ALC892 Support (Intel HDA) - HDMI

[Jeremy Bush]

On May 15, 2011, at 10:50 PM, Jeremy Bush wrote:

> 
> On May 15, 2011, at 10:45 PM, Raymond Yau wrote:
> 
>> 2011/5/16 Jeremy Bush <contractfrombelow at gmail.com>
>> 
>>>>> However, it seems that the ALSA drivers (even the ones from the realtek
>>>>> website) limit the output to 2 channels, 16bit, 88.2KHz.
>>>>> 
>>>>> Here is my system information that you can see these results:
>>>>> 
>>>>> 
>>> http://www.alsa-project.org/db/?f=5b55a63fea6580dfcbf1a85c7c734f977df798f1
>>>>> 
>>>>> I see the ALC892 as being supported in the ALSA changelog, but I don't
>>> see
>>>>> any model options in Documentation/HD-Audio-Models.txt. I'm currently
>>> using
>>>>> "options snd-hda-intel model=6stack-digout" (as I have 6-jack with a
>>> SPDIF
>>>>> out on the motherboard) but I'm not sure that is actually doing
>>> anything.
>>>>> 
>>>>> 
>>>> As your codec info does not have "Side Playback Channel" and "Side
>>> Playback
>>>> Switch", it look like the model is used for 5stack motherboard which
>>> support
>>>> 5.1
>>>> 
>>>> Do you hear any noise since Valerio reported noise appear when using the
>>>> model=auto in
>>>> 
>>>> http://thread.gmane.org/gmane.linux.alsa.devel/84653/focus=84724
>>> 
>>> I'm not actually trying to get analog working or the front-panel output.
>>> Only surround sound over HDMI. I have tried model=auto and didn't notice
>>> anything different than specifying the model.
>>> 
>>>>> Is what I'm getting now the best I should expect over HDMI? I saw
>>> support
>>>>> in ALSA and bought the motherboard expecting it to be fully supported
>>> since
>>>>> the changelogs say support was added.
>>>> 
>>>> Codec: Intel CougarPoint HDMI
>>>> 
>>>> Address: 3
>>>> AFG Function Id: 0x1 (unsol 0)
>>>> Vendor Id: 0x80862805
>>>> Subsystem Id: 0x80862805
>>>> Revision Id: 0x100000
>>>> No Modem Function Group found
>>>> 
>>>> Node 0x03 [Audio Output] wcaps 0x6611: 8-Channels Digital
>>>> 
>>>> Control: name="IEC958 Playback Con Mask", index=1, device=0
>>>> Control: name="IEC958 Playback Pro Mask", index=1, device=0
>>>> Control: name="IEC958 Playback Default", index=1, device=0
>>>> Control: name="IEC958 Playback Switch", index=1, device=0
>>>> Device: name="HDMI 0", type="HDMI", device=3
>>>> Converter: stream=8, channel=0
>>>> Digital: Enabled
>>>> Digital category: 0x0
>>>> PCM:
>>>>  rates [0x7f0]: 32000 44100 48000 88200 96000 176400 192000
>>>>  bits [0x1e]: 16 20 24 32
>>>>  formats [0x5]: PCM AC3
>>>> Power states:  D0 D3 EPSS
>>>> Power: setting=D0, actual=D0
>>>> 
>>>> Node 0x06 [Pin Complex] wcaps 0x40778d: 8-Channels Digital Amp-Out CP
>>>> Amp-Out caps: ofs=0x00, nsteps=0x00, stepsize=0x00, mute=1
>>>> Amp-Out vals:  [0x00 0x00]
>>>> Pincap 0x09000094: OUT Detect HBR HDMI DP
>>>> Pin Default 0x18560020: [Jack] Digital Out at Int HDMI
>>>>  Conn = Digital, Color = Unknown
>>>>  DefAssociation = 0x2, Sequence = 0x0
>>>> Pin-ctls: 0x40: OUT
>>>> Unsolicited: tag=06, enabled=1
>>>> Power states:  D0 D3 EPSS
>>>> Power: setting=D0, actual=D0
>>>> Connection: 1
>>>>   0x03
>>> 
>>> So this seems to say I should be getting 7.1 over the HDMI output. What do
>>> I need to change in my config to actually get it? I tried messing around
>>> with /sys/class/sound/hwC1D3/user_pin_configs but I'm not sure what to
>>> change.
>>> 
>>> 
>> Do your hdmi monitor support 7.1 ?
>> 
>> [ 2.090473] HDMI: detected monitor at connection type HDMI
>> [    2.090475] HDMI: available speakers: FL/FR
>> [    2.090477] HDMI: supports coding type LPCM: channels = 2, rates =
>> 44100 48000 88200, bits = 16
>> [    2.090480] HDMI hot plug event: Pin=6 Presence_Detect=1 ELD_Valid=1
> 
> Yes, it's connected to an Onkyo TX-SR607 7.2-Channel receiver.
> 

I've also upgraded to the latest nightly build of alsa, and still experience the same behavior.

Jeremy