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-rw-r--r--udev/udevadm.xml6
1 files changed, 6 insertions, 0 deletions
diff --git a/udev/udevadm.xml b/udev/udevadm.xml
index ad492494a1..fa1742bada 100644
--- a/udev/udevadm.xml
+++ b/udev/udevadm.xml
@@ -350,6 +350,12 @@
</listitem>
</varlistentry>
<varlistentry>
+ <term><option>--subsystem-match=<replaceable>string[/string]</replaceable></option></term>
+ <listitem>
+ <para>Filter events by subsystem[/devtype]. Only udev events with a matching subsystem value will pass.</para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
<term><option>--help</option></term>
<listitem>
<para>Print help text.</para>