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SubjectRe: [PATCH v2] Input: joystick: xpad: Add X-Box Adaptive Controller support
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Hey,

On Wed, 2022-08-10 at 07:15 -0700, Nate Yocom wrote:
> +               /*
> +                * X-Box Adaptive controller sets 0x02 when x-box
> button is pressed,
> +                * we could probably condense into just data[4] != 0,
> but explicitly
> +                * checking here ensures no regression if other
> devices set other bits.
> +                */
> +               if (le16_to_cpu(xpad->dev->id.vendor) == 0x045e &&
> +                       le16_to_cpu(xpad->dev->id.product) == 0x0b0a)
> +                       input_report_key(dev, BTN_MODE, data[4] &
> 0x02);
> +               else
> +                       input_report_key(dev, BTN_MODE, data[4] &
> 0x01);


I won't be able to test the patch until next week, but I would actually
implement what you mention in the comment as a separate patch. This
would avoid having a special-case for a specific VID/PID without a
quirk like "MAP_LAYER_BUTTON" defined, and if it were to cause
problems, it would be straight forward to revert.
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