linux-kernel - Re: HDA codec problem

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Message-ID: <9bd68132-7a91-6a4e-79c2-8adacf016bb9@infradead.org>
Date:   Sat, 21 Aug 2021 12:14:07 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Takashi Iwai <tiwai@...e.de>
Cc:     alsa-devel@...a-project.org, LKML <linux-kernel@...r.kernel.org>
Subject: Re: HDA codec problem

On 8/20/21 7:43 AM, Randy Dunlap wrote:
> On 8/20/21 7:11 AM, Takashi Iwai wrote:
>> On Fri, 20 Aug 2021 15:54:51 +0200,
>> Randy Dunlap wrote:
>>>
>>> On 8/19/21 11:44 PM, Takashi Iwai wrote:
>>>> On Fri, 20 Aug 2021 07:08:34 +0200,
>>>> Randy Dunlap wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>> I am having problems getting audio working on my computer:
>>>>>
>>>>> 00:1f.3 Audio device: Intel Corporation Device f1c8
>>>>>
>>>>> I did an internet search that said that I would need 5.13 or later to
>>>>> have support for this device.
>>>>
>>>> The above is Cometlake-H, and it pretty much depends on the machine
>>>> configuration.
>>>>
>>>>> openSUSE 15.3 kernel 5.3.18-59.19-default says:
>>>>>
>>>>> snd_hda_codec_realtek hdaudioC0D0: autoconfig for ALC233: line_outs=1 (0x1b/0x0/0x0/0x0/0x0) type:line
>>>>> snd_hda_codec_realtek hdaudioC0D0:    speaker_outs=0 (0x0/0x0/0x0/0x0/0x0)
>>>>> snd_hda_codec_realtek hdaudioC0D0:    hp_outs=1 (0x21/0x0/0x0/0x0/0x0)
>>>>> snd_hda_codec_realtek hdaudioC0D0:    mono: mono_out=0x0
>>>>> snd_hda_codec_realtek hdaudioC0D0:    inputs:
>>>>> snd_hda_codec_realtek hdaudioC0D0:      Mic=0x1a
>>>>> snd_hda_codec_realtek hdaudioC0D0:      Mic=0x19
>>>>>
>>>>> but produces no sound output.
>>>>
>>>> FWIW, openSUSE Leap 15.3 kernel is based on 5.3 but got tons of
>>>> backports, hence its HD-audio part is almost equivalent with 5.13 or
>>>> later kernel (except for the recently changed mute-LED handling --
>>>> which must be irrelevant with your problem).
>>>>
>>>> The above indicates that the codec is detected and set up.  The rest
>>>> part is often some vendor-specific quirks.  For that, details are
>>>> missing completely.  At best please give alsa-info.sh output (run the
>>>> script with --no-upload and attach the output).
>>>>
>>>
>>> Oh, of course. Now attached.
>>
>> I see that the Headphone mixer switch is off by some reason.
>> But it should have been toggled by PulseAudio.
>>
>> You can test like:
>>    amixer -c0 set "Headphone" unmute
> 
> Simple mixer control 'Headphone',0
>    Capabilities: pvolume pswitch
>    Playback channels: Front Left - Front Right
>    Limits: Playback 0 - 87
>    Mono:
>    Front Left: Playback 87 [100%] [0.00dB] [on]
>    Front Right: Playback 87 [100%] [0.00dB] [on]
> 
> 
>> Also, just to be sure: did you install both pulseaudio and pipewire?
>> They may conflict.
> 
> Yes. pipewire is now gone.
> 
> Still no sound but I might need to restart...

Rebooting didn't help any. I didn't know what to try next,
so I did the easy thing: use Yast Sound to delete the device
configuration and then reconfigure it.
Fortunately that fixed it and the sound device is now working.

I had not use Yast Sound to configure the device. Maybe
pipewire did that automatically?  although I never ran
pipewire.

Anyway, it is all good now.  Thanks for your help.

-- 
~Randy