From e595edf1a3d7318811325cf97663c4b5a3859c6e Mon Sep 17 00:00:00 2001
From: Tom Shield <77857887+twshield@users.noreply.github.com>
Date: Tue, 2 Mar 2021 03:56:06 -0600
Subject: [PATCH] udev: add i2c to 60-persistent-input.rules for by-path
 (#18808)

Add the i2c subsystem to those that create by-path links.
i2c devices may not have IDs so we can't rely on the by-id links
but they (or some of them) should at least have a path that we can use.
---
 rules.d/60-persistent-input.rules | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rules.d/60-persistent-input.rules b/rules.d/60-persistent-input.rules
index 255547d906..52f4ddb7e6 100644
--- a/rules.d/60-persistent-input.rules
+++ b/rules.d/60-persistent-input.rules
@@ -35,8 +35,8 @@ SUBSYSTEMS=="usb", ENV{ID_BUS}=="?*", KERNEL=="event*", ENV{.INPUT_CLASS}=="", A
 SUBSYSTEMS=="pci|usb|platform|acpi", IMPORT{builtin}="path_id"
 ENV{ID_PATH}=="?*", KERNEL=="mouse*|js*", ENV{.INPUT_CLASS}=="?*", SYMLINK+="input/by-path/$env{ID_PATH}-$env{.INPUT_CLASS}"
 ENV{ID_PATH}=="?*", KERNEL=="event*", ENV{.INPUT_CLASS}=="?*", SYMLINK+="input/by-path/$env{ID_PATH}-event-$env{.INPUT_CLASS}"
-# allow empty class for platform and usb devices; platform supports only a single interface that way
-SUBSYSTEMS=="usb|platform", ENV{ID_PATH}=="?*", KERNEL=="event*", ENV{.INPUT_CLASS}=="", \
+# allow empty class for platform, usb and i2c devices; platform supports only a single interface that way
+SUBSYSTEMS=="usb|platform|i2c", ENV{ID_PATH}=="?*", KERNEL=="event*", ENV{.INPUT_CLASS}=="", \
   SYMLINK+="input/by-path/$env{ID_PATH}-event"
 
 LABEL="persistent_input_end"