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-rw-r--r--Documentation/laptops/thinkpad-acpi.txt22
1 files changed, 11 insertions, 11 deletions
diff --git a/Documentation/laptops/thinkpad-acpi.txt b/Documentation/laptops/thinkpad-acpi.txt
index 73b80a7e9b03..947b72654e36 100644
--- a/Documentation/laptops/thinkpad-acpi.txt
+++ b/Documentation/laptops/thinkpad-acpi.txt
@@ -697,7 +697,7 @@ ThinkLight control
697------------------ 697------------------
698 698
699procfs: /proc/acpi/ibm/light 699procfs: /proc/acpi/ibm/light
700sysfs attributes: as per led class, for the "tpacpi::thinklight" led 700sysfs attributes: as per LED class, for the "tpacpi::thinklight" LED
701 701
702procfs notes: 702procfs notes:
703 703
@@ -710,11 +710,11 @@ status as "unknown". The available commands are:
710 710
711sysfs notes: 711sysfs notes:
712 712
713The ThinkLight sysfs interface is documented by the led class 713The ThinkLight sysfs interface is documented by the LED class
714documentation, in Documentation/leds-class.txt. The ThinkLight led name 714documentation, in Documentation/leds-class.txt. The ThinkLight LED name
715is "tpacpi::thinklight". 715is "tpacpi::thinklight".
716 716
717Due to limitations in the sysfs led class, if the status of the thinklight 717Due to limitations in the sysfs LED class, if the status of the thinklight
718cannot be read or if it is unknown, thinkpad-acpi will report it as "off". 718cannot be read or if it is unknown, thinkpad-acpi will report it as "off".
719It is impossible to know if the status returned through sysfs is valid. 719It is impossible to know if the status returned through sysfs is valid.
720 720
@@ -880,7 +880,7 @@ LED control
880----------- 880-----------
881 881
882procfs: /proc/acpi/ibm/led 882procfs: /proc/acpi/ibm/led
883sysfs attributes: as per led class, see below for names 883sysfs attributes: as per LED class, see below for names
884 884
885Some of the LED indicators can be controlled through this feature. On 885Some of the LED indicators can be controlled through this feature. On
886some older ThinkPad models, it is possible to query the status of the 886some older ThinkPad models, it is possible to query the status of the
@@ -891,11 +891,11 @@ procfs notes:
891 891
892The available commands are: 892The available commands are:
893 893
894 echo '<led number> on' >/proc/acpi/ibm/led 894 echo '<LED number> on' >/proc/acpi/ibm/led
895 echo '<led number> off' >/proc/acpi/ibm/led 895 echo '<LED number> off' >/proc/acpi/ibm/led
896 echo '<led number> blink' >/proc/acpi/ibm/led 896 echo '<LED number> blink' >/proc/acpi/ibm/led
897 897
898The <led number> range is 0 to 7. The set of LEDs that can be 898The <LED number> range is 0 to 7. The set of LEDs that can be
899controlled varies from model to model. Here is the common ThinkPad 899controlled varies from model to model. Here is the common ThinkPad
900mapping: 900mapping:
901 901
@@ -912,7 +912,7 @@ All of the above can be turned on and off and can be made to blink.
912 912
913sysfs notes: 913sysfs notes:
914 914
915The ThinkPad LED sysfs interface is described in detail by the led class 915The ThinkPad LED sysfs interface is described in detail by the LED class
916documentation, in Documentation/leds-class.txt. 916documentation, in Documentation/leds-class.txt.
917 917
918The leds are named (in LED ID order, from 0 to 7): 918The leds are named (in LED ID order, from 0 to 7):
@@ -920,7 +920,7 @@ The leds are named (in LED ID order, from 0 to 7):
920"tpacpi::dock_active", "tpacpi::bay_active", "tpacpi::dock_batt", 920"tpacpi::dock_active", "tpacpi::bay_active", "tpacpi::dock_batt",
921"tpacpi::unknown_led", "tpacpi::standby". 921"tpacpi::unknown_led", "tpacpi::standby".
922 922
923Due to limitations in the sysfs led class, if the status of the LED 923Due to limitations in the sysfs LED class, if the status of the LED
924indicators cannot be read due to an error, thinkpad-acpi will report it as 924indicators cannot be read due to an error, thinkpad-acpi will report it as
925a brightness of zero (same as LED off). 925a brightness of zero (same as LED off).
926 926