Re: [RFC v2 0/1] User-space HID I/O Driver

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On Tue, 3 Apr 2012, Joao Paulo Rechi Vita wrote:

> >> This is the second revision of the UHID driver. It basically allows to register
> >> hid_ll_drivers in user-space. This is needed to implement Bluetooth HoG (HID
> >> over GATT) as discussed earlier.
> >>
> >
> > We have a first prototype implementation of the HoG plugin working
> > with the uhid driver \o/
> >
> 
> I'm having problems with modifiers keys (they don't work). The USB-HID
> spec says that for each modifier key pressed a bit have to be set on
> the modifiers byte (byte 2) of the report array. Dumping the data both
> on the HoG plugin on bluetoothd and through hidraw for the created HID
> device shows that these bits are being set correctly.
> 
> Any idea of what could be wrong or additional checks that can be performed?

So hidraw shows the respective bits set properly, but they are not coming 
out of /dev/input/eventX, right?

How about /syse/kernel/debug/hid/<device>/events, does it show the events?

-- 
Jiri Kosina
SUSE Labs
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