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-rw-r--r--Documentation/thinkpad-acpi.txt9
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/thinkpad-acpi.txt b/Documentation/thinkpad-acpi.txt
index e1c4550..9bbd0f5 100644
--- a/Documentation/thinkpad-acpi.txt
+++ b/Documentation/thinkpad-acpi.txt
@@ -311,6 +311,8 @@ sysfs notes:
disabled" postition, and 1 if the switch is in the
"radios enabled" position.
+ This attribute has poll()/select() support.
+
hotkey_report_mode:
Returns the state of the procfs ACPI event report mode
filter for hot keys. If it is set to 1 (the default),
@@ -332,6 +334,8 @@ sysfs notes:
undock. Set to zero for normal wake-ups or wake-ups
due to unknown reasons.
+ This attribute has poll()/select() support.
+
wakeup_hotunplug_complete:
Set to 1 if the system was waken up because of an
undock or bay ejection request, and that request
@@ -340,6 +344,8 @@ sysfs notes:
user's choice. Refer to HKEY events 0x4003 and
0x3003, below.
+ This attribute has poll()/select() support.
+
input layer notes:
A Hot key is mapped to a single input layer EV_KEY event, possibly
@@ -1354,3 +1360,6 @@ Sysfs interface changelog:
NVRAM polling patch). Some development snapshots of
0.18 had an earlier version that did strange things
to hotkey_mask.
+
+0x020200: Add poll()/select() support to the following attributes:
+ hotkey_radio_sw, wakeup_hotunplug_complete, wakeup_reason
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