HID: rmi: Support touchpads with external buttons
The external buttons on HID touchpads are connected as pass through devices and button events are not reported in the rmi registers. As a result on these devices we need to allow the HID generic desktop button events to be processed by hid-input. Unfortunately, there is no way to query the touchpad to determine that it has pass through buttons so the RMI_DEVICE_HAS_PHYS_BUTTONS should be set manually when adding the device to rmi_id[]. Signed-off-by:Andrew Duggan <aduggan@synaptics.com> Signed-off-by:
Jiri Kosina <jkosina@suse.cz>
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