Re: [PATCH v4] ASoC: amd: yc: Fix non-functional mic on Lenovo 82YM

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 10/2/2023 06:52, Mark Brown wrote:
On Mon, Oct 02, 2023 at 11:32:48AM +0200, Linux regression tracking (Thorsten Leemhuis) wrote:

Makes me wonder: How many more such quirk entries will be needed? Will
we have all machines listed soon, or do we expect that future Lenovo
hardware will need entries as well? If it's the latter: are quirks
really the right solution here, or do they just hide some bug or then
need for code that automatically handles things?

x86 firmware descriptions are terrible, it's just an endless procession
of quirks.  The model for ACPI is not to describe key information in the
kernel and instead on Windows load device specific information from
separately supplied tables.  On Linux that translates into these endless
quirks, on Windows it's platform specific drivers for otherwise generic
audio hardware.

I knew there was a TON of "82" prefix systems from Lenovo so it was an educated guess that all of them needed DMIC support. This was incorrect because one of them didn't have DMIC and that caused a no mic support problem on that system.

So in the case of this seemingly endless list of systems being added to enable DMIC support Mark is right, Windows does it differently.

With the "next" generation of hardware (Phoenix) both Windows and Linux *should* be using the same _DSD, so hopefully we don't need more quirks like this for those.



[Index of Archives]     [ALSA User]     [Linux Audio Users]     [Pulse Audio]     [Kernel Archive]     [Asterisk PBX]     [Photo Sharing]     [Linux Sound]     [Video 4 Linux]     [Gimp]     [Yosemite News]

  Powered by Linux