[list=](A)[/list]
I need S430 alternet LCD so order "5-inch LCD Display with Capacitive Touch (W500)" because my application is in qt with touchscreen input.

details of O.S.
1. use this image
s5p4418-sd-friendlycore-xenial-4.4-armhf-YYYYMMDD.img.zip

2. Kernel
NanoPi2-Fire 4.4.49-s5p4418

But touch is not working only Qt GUI application working properly.


[list=](B)[/list]
Using this command on both S430 and W500 LCD i found some
i2c
driver issue
command - udevadm info --export-db

1. for S430 touch is working propely as it shows i2c device setting

P: /devices/platform/c0000000.soc/c00a6000.i2c/i2c-2/2-0048/input/input0/event0
N: input/event0
S: input/by-path/platform-c00a6000.i2c-event
E: DEVLINKS=/dev/input/by-path/platform-c00a6000.i2c-event
E: DEVNAME=/dev/input/event0
E: DEVPATH=/devices/platform/c0000000.soc/c00a6000.i2c/i2c-2/2-0048/input/input0/event0
E: ID_INPUT=1
E: ID_INPUT_TOUCHSCREEN=1
E: ID_PATH=platform-c00a6000.i2c
E: ID_PATH_TAG=platform-c00a6000_i2c
E: LIBINPUT_DEVICE_GROUP=18/0/0/0:nexell-i2c
E: MAJOR=13
E: MINOR=64
E: SUBSYSTEM=input
E: USEC_INITIALIZED=2494300



2. for W500 touch is not working as it is now showing any i2c device setting

P: /devices/virtual/input/input0/event0
N: input/event0
E: DEVNAME=/dev/input/event0
E: DEVPATH=/devices/virtual/input/input0/event0
E: ID_INPUT=1
E: ID_INPUT_KEY=1
E: ID_INPUT_TOUCHSCREEN=1
E: LIBINPUT_DEVICE_GROUP=13/dead/beef/101:input_ts_
E: MAJOR=13
E: MINOR=64
E: SUBSYSTEM=input
E: USEC_INITIALIZED=2111213



Compare this two and please help me to resolve issue.. and also help to Kernel version updated to v4.4.172