linux-kernel - Re: [PATCH 1/4] ALSA: hda/realtek: fix mute/micmute LEDs for HP 855 G8

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Date:   Fri, 14 Jan 2022 21:37:20 +0300
From:   Alexander Sergeyev <sergeev917@...il.com>
To:     Takashi Iwai <tiwai@...e.de>
Cc:     Jeremy Szu <jeremy.szu@...onical.com>, tiwai@...e.com,
        "moderated list:SOUND" <alsa-devel@...a-project.org>,
        Kailang Yang <kailang@...ltek.com>,
        open list <linux-kernel@...r.kernel.org>,
        Huacai Chen <chenhuacai@...nel.org>,
        Jian-Hong Pan <jhp@...lessos.org>,
        Hui Wang <hui.wang@...onical.com>,
        PeiSen Hou <pshou@...ltek.com>
Subject: Re: [PATCH 1/4] ALSA: hda/realtek: fix mute/micmute LEDs for HP 855
 G8

On Fri, Jan 14, 2022 at 05:37:42PM +0100, Takashi Iwai wrote:
> > I assume that the referred repository is the one at [1]. I've tried
> > 081c73701ef0 "ALSA: hda: intel-dsp-config: reorder the config
> > table". It crashed with nearly identical logs.
>
> OK, then it's still something to do with the led cdev
> unregisteration.
>
> Could you try the patch below?

This patch solved the BUG problem. But after unbind/bind micmute LED stopped 
working. Speakers and mute LED are fine though.

Dmesg:
snd_hda_intel 0000:05:00.6: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0015 address=0x1fffff800 flags=0x0020]
snd_hda_intel 0000:05:00.6: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0015 address=0x1fffff800 flags=0x0020]
snd_hda_intel 0000:05:00.6: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0015 address=0x1fffff800 flags=0x0020]
snd_hda_intel 0000:05:00.6: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0015 address=0x1fffff800 flags=0x0020]
snd_hda_intel 0000:05:00.6: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0015 address=0x1fffff820 flags=0x0020]
snd_hda_intel 0000:05:00.6: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0015 address=0x1fffff820 flags=0x0020]
snd_hda_intel 0000:05:00.6: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0015 address=0x1fffff820 flags=0x0020]
snd_hda_intel 0000:05:00.6: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0015 address=0x1fffff820 flags=0x0020]
snd_hda_intel 0000:05:00.6: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0015 address=0x1fffff840 flags=0x0020]
snd_hda_intel 0000:05:00.6: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0015 address=0x1fffff840 flags=0x0020]
...
snd_hda_codec_realtek hdaudioC1D0: out of range cmd 0:20:400:90170118
snd_hda_codec_realtek hdaudioC1D0: out of range cmd 0:20:400:411111f0
snd_hda_codec_realtek hdaudioC1D0: out of range cmd 0:20:400:270300
...
snd_hda_intel 0000:05:00.6: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0015 address=0x1fffffb80 flags=0x0020]
snd_hda_intel 0000:05:00.6: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0015 address=0x1fffffb80 flags=0x0020]
snd_hda_intel 0000:05:00.6: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0015 address=0x1fffffba0 flags=0x0020]
snd_hda_intel 0000:05:00.6: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0015 address=0x1fffffba0 flags=0x0020]
snd_hda_intel 0000:05:00.6: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0015 address=0x1fffffba0 flags=0x0020]
snd_hda_codec_realtek hdaudioC1D0: out of range cmd 0:20:400:80000000
snd_hda_intel 0000:05:00.6: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0015 address=0x1fffffba0 flags=0x0020]
snd_hda_intel 0000:05:00.6: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0015 address=0x1fffffbc0 flags=0x0020]
snd_hda_intel 0000:05:00.6: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0015 address=0x1fffffbc0 flags=0x0020]
snd_hda_intel 0000:05:00.6: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0015 address=0x1fffffbc0 flags=0x0020]
snd_hda_intel 0000:05:00.6: AMD-Vi: Event logged [IO_PAGE_FAULT domain=0x0015 address=0x1fffffbc0 flags=0x0020]
snd_hda_codec_realtek hdaudioC1D0: out of range cmd 0:20:400:20010b

> > I got some time to poke the internal microphone. It works, but
> > oddities are there as well. Initially I get "Mic Boost", "Capture" and
> > "Internal Mic Boost" controls in alsamixer. When I run arecord,
> > "Digital" control appears, but it cannot be changed until arecord is
> > stopped. Subsequent arecord calls do not lock "Digital" control. This
> > control affects sensitivity of the microphone and seems useful.
>
> That's presumably an alsa-lib softvol stuff.  It's created
> dynamically.  So not really a kernel problem.

Okay, that's good to know.