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- 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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