Re: [PATCH] fixup realtek/alc288 headphone for MS Surface 2, 3 and

[Takashi Iwai <tiwai@suse.de>]

On Mon, 17 Nov 2025 21:07:34 +0100,
René Rebe wrote:
> 
> On Mon, 17 Nov 2025 17:20:03 +0100, Takashi Iwai <tiwai@suse.de> wrote:
> 
> > On Sun, 16 Nov 2025 16:26:33 +0100,
> > René Rebe wrote:
> > > 
> > > The Surface Pro 2 and 3 have a strage frequency response and miss most
> > > of the bass. I discovered connecting the HP out to the main DAC fixes
> > > this.  Maybe the other is mono or whatever strangely mixed signal for
> > > the built-in speakers?
> > > 
> > > I later noticed the Lenovo Ideapad 720S (AMD) exhibited the same
> > > problem, so this may be a more wide-spread general bug w/ Realtek
> > > codecs and the hda_auto_parser, ...
> > 
> > Usually in a case like this, we provide a fixed wiring by a static DAC
> > table, or do some other tricks instead of directly writing a verb.
> > 
> > Could you give the alsa-info.sh outputs from those?
> 
> Sure, here is an slightly older 6.16 kernel I had at hand that did had
> my fixes applied:

Thanks.  Could you give the output from the unpatched kernel, too?
Just to make sure.


Takashi