Re: "i2c_hid: Could not register for interrupt, irq = -1" on Thinkpad Tablet 10

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On Tue, Feb 03, 2015 at 04:53:14PM +0800, Sébastien Bourdeauducq wrote:
> On 02/02/2015 11:57 PM, Mika Westerberg wrote:
> >> > Maybe the interrupt should be level sensitive and enabled only after
> >> > certain parts of the device initialization have taken place.
> > The device should respond to reset by asserting an interrupt. You could
> > try so that you only enable the interrupt in i2c_hid_parse() right
> > before i2c_hid_hwreset() is called.
> 
> No luck. There is no more interrupt flood and the device is detected and
> its report descriptor retrieved, but then no events at all are received
> when using the stylus.

If you now check the GPIO status in /sys/kernel/debug/gpio, does it show
'high'?
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