Re: [PATCH 1/2] HID: huion: enable button mode reporting

From: Benjamin Tissoires
Date: Wed Feb 18 2015 - 15:25:44 EST


On Feb 18 2015 or thereabouts, Nikolai Kondrashov wrote:
> On 02/18/2015 12:54 AM, Benjamin Tissoires wrote:
> >@@ -81,6 +84,31 @@ static const __u8 huion_tablet_rdesc_template[] = {
> > HUION_PH(PRESSURE_LM), /* Logical Maximum (PLACEHOLDER), */
> > 0x81, 0x02, /* Input (Variable), */
> > 0xC0, /* End Collection, */
> >+ 0x05, 0x01, /* Usage Page (Desktop) */
> >+ 0x09, 0x07, /* Usage (Keypad) */
> >+ 0xa1, 0x01, /* Collection (Application) */
> >+ 0x85, 0x08, /* Report ID (8) */
>
> Oh, and it's probably safer to have a higher-number report ID in case some
> tablets use it for something else.
>

makes sense. Will amend.

Cheers,
Benjamin

> >+ 0x05, 0x0d, /* Usage Page (Digitizers) */
> >+ 0x09, 0x22, /* Usage (Finger) */
> >+ 0xa0, /* Collection (Physical) */
> >+ 0x14, /* Logical Minimum (0) */
> >+ 0x25, 0x01, /* Logical Maximum (1) */
> >+ 0x75, 0x08, /* Report Size (8) */
> >+ 0x95, 0x03, /* Report Count (3) */
> >+ 0x81, 0x03, /* Input (Cnst,Var,Abs) */
> >+ 0x05, 0x09, /* Usage Page (Button) */
> >+ 0x19, 0x01, /* Usage Minimum (1) */
> >+ 0x29, 0x08, /* Usage Maximum (8) */
> >+ 0x14, /* Logical Minimum (0) */
> >+ 0x25, 0x01, /* Logical Maximum (1) */
> >+ 0x75, 0x01, /* Report Size (1) */
> >+ 0x95, 0x08, /* Report Count (8) */
> >+ 0x81, 0x02, /* Input (Data,Var,Abs) */
> >+ 0x75, 0x08, /* Report Size (8) */
> >+ 0x95, 0x03, /* Report Count (3) */
> >+ 0x81, 0x03, /* Input (Cnst,Var,Abs) */
> >+ 0xc0, /* End Collection */
> >+ 0xc0, /* End Collection */
> > 0xC0 /* End Collection */
> > };
>
> Nick
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