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Diffstat (limited to '')
| -rw-r--r-- | Documentation/ABI/stable/sysfs-class-rfkill | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/Documentation/ABI/stable/sysfs-class-rfkill b/Documentation/ABI/stable/sysfs-class-rfkill new file mode 100644 index 0000000000..037979f7dc --- /dev/null +++ b/Documentation/ABI/stable/sysfs-class-rfkill @@ -0,0 +1,93 @@ +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: linux-wireless@vger.kernel.org, +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: linux-wireless@vger.kernel.org +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: linux-wireless@vger.kernel.org +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: linux-wireless@vger.kernel.org +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: linux-wireless@vger.kernel.org +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: linux-wireless@vger.kernel.org +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: linux-wireless@vger.kernel.org +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. |