path: root/Documentation/ABI/stable
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mode: <>2010-02-24 12:05:16 +0100
committerJohn W. Linville <>2010-03-10 17:09:33 -0500
commit69c86373c6ea1149aa559e6088362d58d8ec8835 (patch)
treea3d76c3182a5a604b8a40aba7a2e197ffdd6114d /Documentation/ABI/stable
parent75a9a92625a7d7401d04209f4226061cd2674b59 (diff)
Document the rfkill sysfs ABI
This moves sysfs ABI info from Documentation/rfkill.txt to the ABI subfolder and reformats it. This also schedules the deprecated sysfs parts to be removed in 2012 (claim file) and 2014 (state file). Signed-off-by: Florian Mickler <> Signed-off-by: John W. Linville <>
Diffstat (limited to 'Documentation/ABI/stable')
1 files changed, 42 insertions, 0 deletions
diff --git a/Documentation/ABI/stable/sysfs-class-rfkill b/Documentation/ABI/stable/sysfs-class-rfkill
new file mode 100644
index 000000000000..97d5064f4f84
--- /dev/null
+++ b/Documentation/ABI/stable/sysfs-class-rfkill
@@ -0,0 +1,42 @@
+rfkill - radio frequency (RF) connector kill switch support
+For details to this subsystem look at Documentation/rfkill.txt.
+For the deprecated /sys/class/rfkill/*/state and
+/sys/class/rfkill/*/claim knobs of this interface look in
+What: /sys/class/rfkill
+Date: 09-Jul-2007
+KernelVersion: v2.6.22
+Description: The rfkill class subsystem folder.
+ Each registered rfkill driver is represented by an rfkillX
+ subfolder (X being an integer > 0).
+What: /sys/class/rfkill/rfkill[0-9]+/name
+Date: 09-Jul-2007
+KernelVersion v2.6.22
+Description: Name assigned by driver to this key (interface or driver name).
+Values: arbitrary string.
+What: /sys/class/rfkill/rfkill[0-9]+/type
+Date: 09-Jul-2007
+KernelVersion v2.6.22
+Description: Driver type string ("wlan", "bluetooth", etc).
+Values: See include/linux/rfkill.h.
+What: /sys/class/rfkill/rfkill[0-9]+/persistent
+Date: 09-Jul-2007
+KernelVersion v2.6.22
+Description: Whether the soft blocked state is initialised from non-volatile
+ storage at startup.
+Values: A numeric value.
+ 0: false
+ 1: true