Re: [PATCH v1] ALSA: hda: intel-dsp-config: Fix JSL Chromebook quirk detection

From: Pierre-Louis Bossart
Date: Fri Oct 20 2023 - 09:24:41 EST




On 10/19/23 11:43, Mark Hasemeyer wrote:
>> I would assume that platform that has DMI_SYS_VENDOR set to "Google",
>> also has DMI_BIOS_VERSION set to "Google", so perhaps just replace
>> DMI_SYS_VENDOR match with DMI_BIOS_VERSION, to keep table small? Or is
>> that not a case?
>
> That is the case. But I'm inclined to keep it for two reasons:
> 1. There is precedent in the kernel to use DMI_SYS_VENDOR=="Google"
> for Chromebook detection.
> 2. If the coreboot version schema for Chromebooks were to change, this
> check would fail for all JSL Chromebooks instead of just a few models.

I also prefer a low-risk addition to a higher-risk change. It's not like
we really care about the size of the table at this point.

Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>

FWIW we use this other quirk:
DMI_MATCH(DMI_PRODUCT_FAMILY, "Google"),

How many engineers does it take to identify a Chromebook, eh?