Re: [PATCH 0/2] Fix beep notifications by Thinkpad's ACPI firmware

[Takashi Iwai <tiwai@suse.de>]

On Thu, 21 Nov 2024 02:15:43 +0100,
Jarosław Janik wrote:
> 
> On 20.11.2024 16:09, Takashi Iwai wrote:
> >> The speakers are completely silent once you connect headphones,
> >> regardless of Speakers Volume / Mute Switch settings.
> > 
> > Even if you turn off "Auto-Mute Mode"...?  If yes, check the widget
> > NID 0x10 and 0x1f in the codec proc file
> > (/proc/asound/card*/codec#*).  The former should have the output amp
> > value like 0x40, and the latter should be pinctl 0x40 (output).
> > You can override the values directly via hda-verb, too.
> 
> Yes, speakers are always silent when headphones are connected,
> regardless of Auto-Mute Mode and even if Speaker Mixer is set to max and
> unmuted (which translates to 0x40 for NID 0x10 in my
> /proc/asound/card0/codec#0).
> When it comes to Pin-ctl of 0x1f - it is "0x40: OUT" as you said it
> should be, unless Auto-Mute is enabled and headphones are connected
> (it's 0x00 then); but it doesn't change anything - if you plug
> headphones - speakers are quiet.

Aha, that's an interesting information.  Then basically Auto-Mute Mode
control is useless on your machine, and can be omitted.


Takashi