rfkill - radio frequency (RF) connector kill switch support
For details to this subsystem look at Documentation/driver-api/rfkill.rst.
For the deprecated ``/sys/class/rfkill/*/claim`` knobs of this interface look in
Documentation/ABI/removed/sysfs-class-rfkill.
What: /sys/class/rfkill
Date: 09-Jul-2007
KernelVersion: v2.6.22
Contact: [email protected],
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
Contact: [email protected]
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
Contact: [email protected]
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
Contact: [email protected]
Description: Whether the soft blocked state is initialised from non-volatile
storage at startup.
Values: A numeric value:
- 0: false
- 1: true
What: /sys/class/rfkill/rfkill[0-9]+/state
Date: 09-Jul-2007
KernelVersion v2.6.22
Contact: [email protected]
Description: Current state of the transmitter.
This file was scheduled to be removed in 2014, but due to its
large number of users it will be sticking around for a bit
longer. Despite it being marked as stable, the newer "hard" and
"soft" interfaces should be preferred, since it is not possible
to express the 'soft and hard block' state of the rfkill driver
through this interface. There will likely be another attempt to
remove it in the future.
Values: A numeric value.
0: RFKILL_STATE_SOFT_BLOCKED
transmitter is turned off by software
1: RFKILL_STATE_UNBLOCKED
transmitter is (potentially) active
2: RFKILL_STATE_HARD_BLOCKED
transmitter is forced off by something outside of
the driver's control.
What: /sys/class/rfkill/rfkill[0-9]+/hard
Date: 12-March-2010
KernelVersion v2.6.34
Contact: [email protected]
Description: Current hardblock state. This file is read only.
Values: A numeric value.
0: inactive
The transmitter is (potentially) active.
1: active
The transmitter is forced off by something outside of
the driver's control.
What: /sys/class/rfkill/rfkill[0-9]+/soft
Date: 12-March-2010
KernelVersion v2.6.34
Contact: [email protected]
Description: Current softblock state. This file is read and write.
Values: A numeric value.
0: inactive
The transmitter is (potentially) active.
1: active
The transmitter is turned off by software.
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