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| -rw-r--r-- | Documentation/rfkill.txt | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/Documentation/rfkill.txt b/Documentation/rfkill.txt index de941e309d47..1b74b5f30af4 100644 --- a/Documentation/rfkill.txt +++ b/Documentation/rfkill.txt @@ -113,7 +113,7 @@ The following sysfs entries exist for every rfkill device: 0: RFKILL_STATE_SOFT_BLOCKED transmitter is turned off by software 1: RFKILL_STATE_UNBLOCKED - transmiter is (potentially) active + transmitter is (potentially) active 2: RFKILL_STATE_HARD_BLOCKED transmitter is forced off by something outside of the driver's control. @@ -128,3 +128,9 @@ RFKILL_TYPE The contents of these variables corresponds to the "name", "state" and "type" sysfs files explained above. + +An alternative userspace interface exists as a misc device /dev/rfkill, +which allows userspace to obtain and set the state of rfkill devices and +sets of devices. It also notifies userspace about device addition and +removal. The API is a simple read/write API that is defined in +linux/rfkill.h. |