Re: [PATCH 1/3] Input: xpad - fix support for some third-party controllers

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Ah wnoops, Vicki pointed out I made a mistake here and that this one is still
awaiting reviews from someone. will review in just a moment

On Thu, 2023-03-23 at 17:39 -0400, Lyude Paul wrote:
> Hey Dmitry, this patch series seems to have only gotten radio silence as well.
> What could we do to get this moving?
> 
> On Fri, 2023-02-24 at 17:21 -0800, Vicki Pfau wrote:
> > Some third-party controllers, such as the HORPIAD FPS for Nintendo Switch and
> > Gamesir-G3w, require a specific packet that the first-party XInput driver sends
> > before it will start sending reports. It's not currently known what this packet
> > does, but since the first-party driver always sends it's unlikely that this
> > could cause issues with existing controllers.
> > 
> > Co-authored-by: Andrey Smirnov <andrew.smirnov@xxxxxxxxx>
> > Signed-off-by: Vicki Pfau <vi@xxxxxxxxxxx>
> > ---
> >  drivers/input/joystick/xpad.c | 22 ++++++++++++++++++++++
> >  1 file changed, 22 insertions(+)
> > 
> > diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
> > index 403b57e8176b..04af2213407f 100644
> > --- a/drivers/input/joystick/xpad.c
> > +++ b/drivers/input/joystick/xpad.c
> > @@ -265,6 +265,7 @@ static const struct xpad_device {
> >  	{ 0x0f0d, 0x0067, "HORIPAD ONE", 0, XTYPE_XBOXONE },
> >  	{ 0x0f0d, 0x0078, "Hori Real Arcade Pro V Kai Xbox One", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE },
> >  	{ 0x0f0d, 0x00c5, "Hori Fighting Commander ONE", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE },
> > +	{ 0x0f0d, 0x00dc, "HORIPAD FPS for Nintendo Switch", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
> >  	{ 0x0f30, 0x010b, "Philips Recoil", 0, XTYPE_XBOX },
> >  	{ 0x0f30, 0x0202, "Joytech Advanced Controller", 0, XTYPE_XBOX },
> >  	{ 0x0f30, 0x8888, "BigBen XBMiniPad Controller", 0, XTYPE_XBOX },
> > @@ -2020,6 +2021,27 @@ static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id
> >  		goto err_free_in_urb;
> >  	}
> >  
> > +	if (xpad->xtype == XTYPE_XBOX360) {
> > +		/* Some third-party controllers Xbox 360-style controllers
> > +		 * require this message to finish initialization */
> > +		uint8_t dummy[20];
> > +		int ret;
> > +
> > +		usb_control_msg_recv(udev, 0,
> > +				     /* bRequest */ 0x01,
> > +				     /* bmRequestType */
> > +				     USB_TYPE_VENDOR | USB_DIR_IN |
> > +				     USB_RECIP_INTERFACE,
> > +				     /* wValue */ 0x100,
> > +				     /* wIndex */ 0x00,
> > +				     dummy, sizeof(dummy),
> > +				     25,
> > +				     GFP_KERNEL);
> > +		if (ret)
> > +			dev_warn(&xpad->dev->dev,
> > +				 "unable to receive magic message: %d\n", ret);
> > +	}
> > +
> >  	ep_irq_in = ep_irq_out = NULL;
> >  
> >  	for (i = 0; i < 2; i++) {
> 

-- 
Cheers,
 Lyude Paul (she/her)
 Software Engineer at Red Hat





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