path: root/meta/recipes-core/udev/udev/local.rules
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1# There are a number of modifiers that are allowed to be used in some
2# of the different fields. They provide the following subsitutions:
4# %n the "kernel number" of the device.
5# For example, 'sda3' has a "kernel number" of '3'
6# %e the smallest number for that name which does not matches an existing node
7# %k the kernel name for the device
8# %M the kernel major number for the device
9# %m the kernel minor number for the device
10# %b the bus id for the device
11# %c the string returned by the PROGRAM
12# %s{filename} the content of a sysfs attribute
13# %% the '%' char itself
16# Try and modprobe for drivers for new hardware
17ACTION=="add", DEVPATH=="/devices/*", ENV{MODALIAS}=="?*", RUN+="/sbin/modprobe $env{MODALIAS}"
19# Create a symlink to any touchscreen input device
20# Trigger based on input type, that the evbit (-e) has EV_SYN and EV_ABS,
21# has an EV_ABS value (-a) which is used for touchscreen type devices.
22SUBSYSTEM=="input", KERNEL=="event[0-9]*", ENV{ID_INPUT_TOUCHSCREEN}=="1", SYMLINK+="input/touchscreen0"