[PATCH] add any valid device

[elogind.git] / udev.8

diff --git a/udev.8 b/udev.8
index 0c461967d2444f6bfc9093f6c804d2c10b5ecaad..c4ee23dcc78f8cc2cf6bba275f022c86207434a3 100644 (file)
--- a/udev.8
+++ b/udev.8
@@ -18,7 +18,7 @@ On device creation,
 .B udev
 reads the sysfs directory of the given device to collect device attributes
 like label, serial number or bus device number.
-These attributes are treated as a key 
+These attributes are treated as a key
 to determine a unique name for device file creation.
 .B udev
 maintains a database for devices present on the system.
@@ -87,14 +87,14 @@ The rules for udev to use when naming devices may specified at
 .I /etc/udev/udev.rules
 or specified by the
 .I udev_rules
-value in the 
+value in the
 .I /etc/udev/udev.conf
 file.
 .P
 Every line in the rules file define the mapping between device attributes and
 the device file name. It starts with a keyword defining the method used to
 match, followed by one ore more keys to compare and the filename for the
-device. Optional the name for a symlink targeting the node may specified.
+device. One ore more optional symlinks targeting the node may be specified.
 .br
 If no matching configuration is found, the default kernel device name
 is used.
@@ -114,8 +114,7 @@ calling external program, that returns a string to match
 device label or serial number, like USB serial number, SCSI UUID or
 file system label
 .br
-.RB "keys: " BUS ", "
-.I sysfs_attribute
+.RB "keys: " BUS ", " SYSFS_
 .TP
 .B NUMBER
 device number on the bus, like PCI bus id
@@ -130,7 +129,7 @@ device position on bus, like physical port of USB device
 .B REPLACE
 string replacement of the kernel device name
 .br
-.RB "key: " KERNEL_NAME
+.RB "key: " KERNEL
 .P
 The methods are applied in the following order:
 .BR CALLOUT ", " LABEL ", " NUMBER ", " TOPOLOGY ", " REPLACE "."
@@ -158,7 +157,7 @@ The CALLOUT program returned string.
 .B %D
 Use the devfs style disk name for this device.
 For partitions, this will result in 'part%n'
-If this is not a partition, it will result in 'disk'.
+If this is not a partition, it will result in 'disc'.
 .P
 .RI "A sample " udev.rules " might look like this:"
 .sp
@@ -167,7 +166,7 @@ If this is not a partition, it will result in 'disk'.
 CALLOUT, BUS="scsi", PROGRAM="/sbin/scsi_id", ID="OEM 0815", NAME="disk1"
 
 # USB printer to be called lp_color
-LABEL, BUS="usb", serial="W09090207101241330", NAME="lp_color"
+LABEL, BUS="usb", SYSFS_serial="W09090207101241330", NAME="lp_color"
 
 # sound card with PCI bus id 00:0b.0 to be called dsp
 NUMBER, BUS="pci", ID="00:0b.0", NAME="dsp"
@@ -175,11 +174,11 @@ NUMBER, BUS="pci", ID="00:0b.0", NAME="dsp"
 # USB mouse at third port of the second hub to be called mouse1
 TOPOLOGY, BUS="usb", PLACE="2.3", NAME="mouse1"
 
-# ttyUSB1 should always be called pda
-REPLACE, KERNEL="ttyUSB1", NAME="pda"
+# ttyUSB1 should always be called pda with two additional symlinks
+REPLACE, KERNEL="ttyUSB1", NAME="pda", SYMLINK="palmtop handheld"
 
-# USB webcams with symlinks to be called webcam0, webcam1, ...
-LABEL, BUS="usb", model="WebCam Version 3", NAME="video%n", SYMLINK="webcam%n"
+# multiple USB webcams with symlinks to be called webcam0, webcam1, ...
+LABEL, BUS="usb", SYSFS_model="XV3", NAME="video%n", SYMLINK="webcam%n"
 .fi
 .P
 Permissions and ownership for the created device files may specified at