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-rw-r--r--Documentation/ABI/testing/sysfs-block-device2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-block-device b/Documentation/ABI/testing/sysfs-block-device
index 17f2bc7dd261..aa0fb500e3c9 100644
--- a/Documentation/ABI/testing/sysfs-block-device
+++ b/Documentation/ABI/testing/sysfs-block-device
@@ -8,11 +8,13 @@ Description:
It has the following valid values:
+ == ========================================================
0 OFF - the LED is not activated on activity
1 BLINK_ON - the LED blinks on every 10ms when activity is
detected.
2 BLINK_OFF - the LED is on when idle, and blinks off
every 10ms when activity is detected.
+ == ========================================================
Note that the user must turn sw_activity OFF it they wish to
control the activity LED via the em_message file.