Re: [PATCH v1 1/2] ALSA: hda/tas2781: Update tas2781 HDA driver

[Takashi Iwai <tiwai@suse.de>]

On Sun, 03 Sep 2023 16:37:57 +0200,
Shenghao Ding wrote:
> 
> Support ACPI_ID both TXNW2781 and TIAS2781, and revert structure
> cs35l41_dev_name.

Could you explain why you need to revert?  That's the important
piece.

And, what is found in below...

> ---
> Changes in v1:
>  - Redefine tas2781_generic_fixup, remove hid param
>  - TIAS2781 has been used by our customers, see following dstd.dsl. We
>     have discussed this with them, they requested TIAS2781 must be
>     supported for the laptops already released to market, their new
>     laptops will switch to TXNW2781
>    Name (_HID, "TIAS2781")  // _HID: Hardware ID
>    Name (_UID, Zero)  // _UID: Unique ID
>    Method (_SUB, 0, NotSerialized)  // _SUB: Subsystem ID
>    {
>        If ((SPID == Zero))
>        {
>           Return ("17AA3886")
>        }
> 
>        If ((SPID == One))
>        {
>            Return ("17AA3884")
>        }

... such information should be mentioned in the changelog.
It can be even commented in the code.

Last but not least, if you do two things, split to two patches --
unless the rename is closely tied with the support of both IDs.


thanks,

Takashi