Hi Colin, On Sat, Sep 3, 2016 at 8:33 PM, Colin Johnstone <johnstone.colin@xxxxxxxxx> wrote: > [1.] One line summary of the problem: Touchscreen does not work, dmesg > shows errors "i2c_hid i2c-ELAN0732:00: failed to reset device", > "i2c_hid i2c-ELAN0732:00: can't add hid device: -61", and "i2c_hid: > probe of i2c-ELAN0732:00 failed with error -61" occur during boot. -61 is -ENODATA, which is raised when we timed-out when waiting for the interrupt line. To confirm this, please provide a dmesg from the boot with i2c_hid.debug=1 appended to the kernel command line. > > [2.] Full description of the problem/report: This is on an HP Eny x360 > M6-AR004DX laptop with 7th-generation AMD FX CPU. The touchscreen is > not recognized at all; it appears the screen is using GPIO interrupts > as I have to build with AMD GPIO support to receive these errors, > otherwise I see a "failed to get GPIO interrupt" error. > So this is more likely either a failure of us retrieving the GPIO, or a misconfiguration of those. I'd be interested if you could share the output of acpidump (as root) as well. Cheers, Benjamin -- To unsubscribe from this list: send the line "unsubscribe linux-input" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html