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

[Raymond Yau]

2011/5/18 Jeremy Bush <jbush at sittercity.com>:
>
> 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

you have to check the video driver since it is the video driver query
hdmi monitor and pass back ELD to audio driver

>>> [    2.090475] HDMI: available speakers: FL/FR
>>> [    2.090477] HDMI: supports coding type LPCM: channels = 2, rates =
>>> 44100 48000 88200, bits = 16