Re: [PATCH v2 1/2] Input: xpad - query MS OS descriptor for BTP-KP20D

[Pengyu Ma]

On Tue, Aug 4, 2026 at 1:32 AM Shengyu Qu <wiagn233@xxxxxxxxxxx> wrote:
>
>
> 在 2026/8/3 20:13, Pengyu Ma 写道:
> > On Mon, Aug 3, 2026 at 5:40 PM Shengyu Qu <wiagn233@xxxxxxxxxxx> wrote:
> >>
> >>
> >>
> >> 在 2026/8/1 15:56, Aaron Ma 写道:
> >>
> >>> @@ -334,6 +335,7 @@ static const struct xpad_device {
> >>>        { 0x1ee9, 0x1590, "ZOTAC Gaming Zone", 0, XTYPE_XBOX360 },
> >>>        { 0x20bc, 0x5134, "BETOP BTP-KP50B Xinput Dongle", 0, XTYPE_XBOX360 },
> >>>        { 0x20bc, 0x514a, "BETOP BTP-KP50C Xinput Dongle", 0, XTYPE_XBOX360 },
> >>> +     { 0x20bc, 0x5159, "Beitong BTP-KP20D Controller", 0, XTYPE_XBOX360, FLAG_MS_OS_DESC },
> >>
> >> I think using dongle instead of controller is more clear? Since
> >> controller itself use a different VID.
> >>
> >
> > This is the controller VID.
> > The controller is idVendor=20bc
> > The dongle ID is idVendor=20dd.
> >
> > Aaron
>
> It's not consistent with your patch description. Also interestingly,
> this seems not working on KP50B/C.

Please provide KP50B/C IDs.
How did you tested?
Could you attach the dmesg?

Aaron

>
> Shengyu