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authorJoão Paulo Rechi Vita <jprvita@gmail.com>2016-02-22 11:36:37 -0500
committerJohannes Berg <johannes.berg@intel.com>2016-02-24 09:13:12 +0100
commit50ee738d7271fe825e4024cdfa5c5301a871e2c2 (patch)
tree84d5d50e109761a083de2d4138abc0d12f516a59
parent9487bd6b96a98ee07661a7b5e6f6afce67e2860b (diff)
rfkill: Add documentation about LED triggers
Signed-off-by: João Paulo Rechi Vita <jprvita@endlessm.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
-rw-r--r--Documentation/rfkill.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/rfkill.txt b/Documentation/rfkill.txt
index 2ee6ef9a6554..1f0c27049340 100644
--- a/Documentation/rfkill.txt
+++ b/Documentation/rfkill.txt
@@ -83,6 +83,8 @@ rfkill drivers that control devices that can be hard-blocked unless they also
assign the poll_hw_block() callback (then the rfkill core will poll the
device). Don't do this unless you cannot get the event in any other way.
+RFKill provides per-switch LED triggers, which can be used to drive LEDs
+according to the switch state (LED_FULL when blocked, LED_OFF otherwise).
5. Userspace support