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diff --git a/meta/recipes-core/udev/eudev/local.rules b/meta/recipes-core/udev/eudev/local.rules
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+# There are a number of modifiers that are allowed to be used in some
+# of the different fields. They provide the following subsitutions:
+#
+# %n the "kernel number" of the device.
+#    For example, 'sda3' has a "kernel number" of '3'
+# %e the smallest number for that name which does not matches an existing node
+# %k the kernel name for the device
+# %M the kernel major number for the device
+# %m the kernel minor number for the device
+# %b the bus id for the device
+# %c the string returned by the PROGRAM
+# %s{filename} the content of a sysfs attribute
+# %% the '%' char itself
+#
+
+# Create a symlink to any touchscreen input device
+# Trigger based on input type, that the evbit (-e) has EV_SYN and EV_ABS,
+# has an EV_ABS value (-a) which is used for touchscreen type devices.
+SUBSYSTEM=="input", KERNEL=="event[0-9]*", ENV{ID_INPUT_TOUCHSCREEN}=="1", SYMLINK+="input/touchscreen0"