diff options
Diffstat (limited to 'udev.xml')
| -rw-r--r-- | udev.xml | 9 |
1 files changed, 7 insertions, 2 deletions
@@ -406,7 +406,7 @@ <term><option>$id</option>, <option>%b</option></term> <listitem> <para>The name of the device matched while searching the devpath upwards for - <option>SUBSYSTEMS</option>, <option>KERNELS</option> <option>DRIVERS</option> and <option>ATTRS</option>. + <option>SUBSYSTEMS</option>, <option>KERNELS</option>, <option>DRIVERS</option> and <option>ATTRS</option>. </para> </listitem> </varlistentry> @@ -414,7 +414,12 @@ <varlistentry> <term><option>$attr{<replaceable>file</replaceable>}</option>, <option>%s{<replaceable>file</replaceable>}</option></term> <listitem> - <para>The value of a sysfs attribute found at the current or a parent device.</para> + <para>The value of a sysfs attribute found at the device, where + all keys of the rule have matched. If the matching device does not have + such an attribute, all devices along the chain of parents are searched + for a matching attribute. + If the attribute is a symlink, the last element of the symlink target is + returned as the value.</para> </listitem> </varlistentry> |