Re: [PATCH 1/2] input: wacom - Prepare for syncing with input-mt changes

["Henrik Rydberg" <rydberg@euromail.se>]

> > So the (touch_max > 1) logic replaces the branching on features and device
> > type?
> 
> There are only two types of devices defined for features->device_type:
> BTN_TOOL_PEN and BTN_TOOL_FINGER.
> 
> Once we come to !BTN_TOOL_PEN, we are dealing with touch devices.
> 
> The first if-statement assigns ABS_X/Y for number of contacts less or
> equal to 2. So, it is single and 2 finger touch devices. 2 finger
> touch devices are processed here since they will not use the new
> input_mt_init_slots call, which does not offer benefit to the devices.
> 
> input_mt_init_slots() will take care of ABS_X/Y assignment when flags
> are not zero. All touch devices with more than two contacts will use
> the new input_mt_init_slots call with non-zero flags.
> 
> The second if-statement is for all MT devices, which include two
> finger touch devices.

Great writeup - it could be worth using some of it in the commit
message. :-)

Thanks,
Henrik