This driver is broken on official kernel 3.8. In
linux/drivers/input/mouse/input-mt.c:
function input_mt_init_slots now requires 3 args, with the new arg being flags.
I set flags to 0 in synaptics.c:699 in this patch and it re-compiled fine. I
have no clue as to what that will break, but I saw in the mainline kernel
synaptics.c that's what it was set to.
/**
* input_mt_init_slots() - initialize MT input slots
* @dev: input device supporting MT events and finger tracking
* @num_slots: number of slots used by the device
* @flags: mt tasks to handle in core
*
* This function allocates all necessary memory for MT slot handling
* in the input device, prepares the ABS_MT_SLOT and
* ABS_MT_TRACKING_ID events for use and sets up appropriate buffers.
* Depending on the flags set, it also performs pointer emulation and
* frame synchronization.
*
* May be called repeatedly. Returns -EINVAL if attempting to
* reinitialize with a different number of slots.
*/
int input_mt_init_slots(struct input_dev *dev, unsigned int num_slots,
unsigned int flags)
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https://bugs.launchpad.net/bugs/681904
Title:
[arrandale] Samsung
QX310/QX410/QX510/SF310/SF410/SF510/NF210/RF410/RF510/RF511/RF710
trackpad/touchpad not recognized
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