eGalax Touch does not work after update of Raspberry Pi B - Raspberry Pi Forums

previous kernel 3.12.33+ used work.
kernel 3.18.7+ display ok, touch not work.

root@raspberrypi:/lib/modules# uname -r
3.18.7+

root@raspberrypi:/lib/modules/3.18.7-v7+# zgrep config_input_touchscreen /proc/config.gz
config_input_touchscreen=y

root@raspberrypi:~# zgrep egalax /proc/config.gz
# config_touchscreen_egalax not set
root@raspberrypi:~# cat /etc/udev/rules.d/99-input.rules
subsystem=="input", attrs{name}=="stmpe-ts", env{devname}=="*event*", symlink+="input/touchscreen"

/etc/x11/xorg.conf.d/99-calibration.conf unchanged.

lsusb
---------
bus 001 device 007: id 0eef:0001 d-wav scientific co., ltd egalax touchscreen

there working kernel or possible downgrade earlier kernel?
don't see files relating previous kernel.

when @ b , pi2b stock kernel has

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config_touchscreen_egalax=m

, on both /lib/modules/`uname -r`/kernel/drivers/input/touchscreen/egalax_ts.ko exists

running latest , greatest kernel? uname -a show?
2b has

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linux apollo 3.18.7-v7+ #757 smp preempt sat feb 21 14:54:05 gmt 2015 armv7l gnu/linux

my b has

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linux pi 3.18.7+ #758 preempt mon feb 23 19:27:03 gmt 2015 armv6l gnu/linux

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