Realtek Audio On Kabylake
Pete Wright
pete at nomadlogic.org
Thu Mar 30 21:31:00 UTC 2017
On 03/30/2017 14:26, Dimitry Andric wrote:
> On 30 Mar 2017, at 20:18, Pete Wright <pete at nomadlogic.org> wrote:
>> Hello,
>> I have a new Kabylake based Intel laptop running CURRENT (well
>> drm-next). Everything has "just worked" so far except audio. Here is
>> the output of /dev/sndstat:
>>
>> $ cat /dev/sndstat
>> Installed devices:
>> pcm0: <Realtek (0x0225) (Analog)> (play/rec) default
>> pcm1: <Intel Kabylake (HDMI/DP 8ch)> (play)
>> No devices installed from userspace.
>>
>> I am unable to get audio output on the laptop's speakers using the
>> Analog device at pcm0, I was wondering if this was due to the Realtek
>> device not being recognized? I would expect the model number or
>> something similar as opposed to "0x0225". Here's the output of
>> pciconf for reference:
>>
>> $ pciconf -lv
> ...
>
> Hmm, that output didn't contain any Realtek device? What does dmesg
> say about the pcm devices? Also, can you get any sound via pcm1?
yea i thought that was odd as well. here's what i think is relevant
from my dmesg buffer:
$ dmesg|grep hdaa
hdaa0: <Realtek (0x0225) Audio Function Group> at nid 1 on hdacc0
pcm0: <Realtek (0x0225) (Analog)> at nid 33 and 18 on hdaa0
hdaa1: <Intel Kabylake Audio Function Group> at nid 1 on hdacc1
pcm1: <Intel Kabylake (HDMI/DP 8ch)> at nid 3 on hdaa1
i have not attempted to output audio via pcm1 via an HDMI connected
panel - but I can test that tonight. using pcm1 does *not* work with
the headphone jack or laptop speakers but i think that's expected.
thanks!
-pete
--
Pete Wright
pete at nomadlogic.org
@nomadlogicLA
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