89 lines
2.8 KiB
Plaintext
89 lines
2.8 KiB
Plaintext
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rfkill - radio frequency (RF) connector kill switch support
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For details to this subsystem look at Documentation/driver-api/rfkill.rst.
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For the deprecated /sys/class/rfkill/*/claim knobs of this interface look in
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Documentation/ABI/removed/sysfs-class-rfkill.
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What: /sys/class/rfkill
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Date: 09-Jul-2007
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KernelVersion: v2.6.22
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Contact: linux-wireless@vger.kernel.org,
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Description: The rfkill class subsystem folder.
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Each registered rfkill driver is represented by an rfkillX
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subfolder (X being an integer >= 0).
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What: /sys/class/rfkill/rfkill[0-9]+/name
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Date: 09-Jul-2007
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KernelVersion v2.6.22
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Contact: linux-wireless@vger.kernel.org
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Description: Name assigned by driver to this key (interface or driver name).
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Values: arbitrary string.
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What: /sys/class/rfkill/rfkill[0-9]+/type
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Date: 09-Jul-2007
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KernelVersion v2.6.22
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Contact: linux-wireless@vger.kernel.org
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Description: Driver type string ("wlan", "bluetooth", etc).
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Values: See include/linux/rfkill.h.
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What: /sys/class/rfkill/rfkill[0-9]+/persistent
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Date: 09-Jul-2007
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KernelVersion v2.6.22
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Contact: linux-wireless@vger.kernel.org
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Description: Whether the soft blocked state is initialised from non-volatile
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storage at startup.
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Values: A numeric value.
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0: false
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1: true
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What: /sys/class/rfkill/rfkill[0-9]+/state
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Date: 09-Jul-2007
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KernelVersion v2.6.22
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Contact: linux-wireless@vger.kernel.org
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Description: Current state of the transmitter.
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This file was scheduled to be removed in 2014, but due to its
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large number of users it will be sticking around for a bit
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longer. Despite it being marked as stable, the newer "hard" and
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"soft" interfaces should be preferred, since it is not possible
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to express the 'soft and hard block' state of the rfkill driver
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through this interface. There will likely be another attempt to
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remove it in the future.
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Values: A numeric value.
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0: RFKILL_STATE_SOFT_BLOCKED
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transmitter is turned off by software
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1: RFKILL_STATE_UNBLOCKED
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transmitter is (potentially) active
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2: RFKILL_STATE_HARD_BLOCKED
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transmitter is forced off by something outside of
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the driver's control.
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What: /sys/class/rfkill/rfkill[0-9]+/hard
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Date: 12-March-2010
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KernelVersion v2.6.34
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Contact: linux-wireless@vger.kernel.org
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Description: Current hardblock state. This file is read only.
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Values: A numeric value.
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0: inactive
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The transmitter is (potentially) active.
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1: active
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The transmitter is forced off by something outside of
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the driver's control.
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What: /sys/class/rfkill/rfkill[0-9]+/soft
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Date: 12-March-2010
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KernelVersion v2.6.34
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Contact: linux-wireless@vger.kernel.org
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Description: Current softblock state. This file is read and write.
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Values: A numeric value.
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0: inactive
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The transmitter is (potentially) active.
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1: active
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The transmitter is turned off by software.
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