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authorHenrique de Moraes Holschuh <hmh@hmh.eng.br>2007-03-29 00:58:43 -0400
committerLen Brown <len.brown@intel.com>2007-03-30 15:35:42 -0400
commit643f12dbb660e139fbaea268f3e3ce4d7d594b8f (patch)
tree2adeddea6d1a1733da9ad39befc0ec40fdeee1e3 /Documentation/thinkpad-acpi.txt
parentd903ac5455102b13d0e28d6a39f640175fb4cd4d (diff)
ACPI: thinkpad-acpi: cleanup after rename
Cleanup documentation, driver strings and other misc stuff, now that the driver is named "thinkpad-acpi". Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'Documentation/thinkpad-acpi.txt')
-rw-r--r--Documentation/thinkpad-acpi.txt46
1 files changed, 27 insertions, 19 deletions
diff --git a/Documentation/thinkpad-acpi.txt b/Documentation/thinkpad-acpi.txt
index f409f4bbdc4..af18d294cf1 100644
--- a/Documentation/thinkpad-acpi.txt
+++ b/Documentation/thinkpad-acpi.txt
@@ -1,17 +1,22 @@
1 IBM ThinkPad ACPI Extras Driver 1 ThinkPad ACPI Extras Driver
2 2
3 Version 0.13 3 Version 0.14
4 31 December 2006 4 March 26th, 2007
5 5
6 Borislav Deianov <borislav@users.sf.net> 6 Borislav Deianov <borislav@users.sf.net>
7 Henrique de Moraes Holschuh <hmh@hmh.eng.br> 7 Henrique de Moraes Holschuh <hmh@hmh.eng.br>
8 http://ibm-acpi.sf.net/ 8 http://ibm-acpi.sf.net/
9 9
10 10
11This is a Linux ACPI driver for the IBM ThinkPad laptops. It supports 11This is a Linux driver for the IBM and Lenovo ThinkPad laptops. It
12various features of these laptops which are accessible through the 12supports various features of these laptops which are accessible
13ACPI framework but not otherwise fully supported by the generic Linux 13through the ACPI and ACPI EC framework, but not otherwise fully
14ACPI drivers. 14supported by the generic Linux ACPI drivers.
15
16This driver used to be named ibm-acpi until kernel 2.6.21 and release
170.13-20070314. It used to be in the drivers/acpi tree, but it was
18moved to the drivers/misc tree and renamed to thinkpad-acpi for kernel
192.6.22, and release 0.14.
15 20
16 21
17Status 22Status
@@ -43,6 +48,8 @@ Please include the following information in your report:
43 48
44 - ThinkPad model name 49 - ThinkPad model name
45 - a copy of your DSDT, from /proc/acpi/dsdt 50 - a copy of your DSDT, from /proc/acpi/dsdt
51 - a copy of the output of dmidecode, with serial numbers
52 and UUIDs masked off
46 - which driver features work and which don't 53 - which driver features work and which don't
47 - the observed behavior of non-working features 54 - the observed behavior of non-working features
48 55
@@ -53,8 +60,9 @@ Installation
53------------ 60------------
54 61
55If you are compiling this driver as included in the Linux kernel 62If you are compiling this driver as included in the Linux kernel
56sources, simply enable the CONFIG_ACPI_IBM option (Power Management / 63sources, simply enable the CONFIG_THINKPAD_ACPI option, and optionally
57ACPI / IBM ThinkPad Laptop Extras). 64enable the CONFIG_THINKPAD_ACPI_BAY option if you want the
65thinkpad-specific bay functionality.
58 66
59Features 67Features
60-------- 68--------
@@ -210,7 +218,7 @@ hot plugging of devices in the Linux ACPI framework. If the laptop was
210booted while not in the dock, the following message is shown in the 218booted while not in the dock, the following message is shown in the
211logs: 219logs:
212 220
213 Mar 17 01:42:34 aero kernel: ibm_acpi: dock device not present 221 Mar 17 01:42:34 aero kernel: thinkpad_acpi: dock device not present
214 222
215In this case, no dock-related events are generated but the dock and 223In this case, no dock-related events are generated but the dock and
216undock commands described below still work. They can be executed 224undock commands described below still work. They can be executed
@@ -270,7 +278,7 @@ This is due to the current lack of support for hot plugging of devices
270in the Linux ACPI framework. If the laptop was booted without the 278in the Linux ACPI framework. If the laptop was booted without the
271UltraBay, the following message is shown in the logs: 279UltraBay, the following message is shown in the logs:
272 280
273 Mar 17 01:42:34 aero kernel: ibm_acpi: bay device not present 281 Mar 17 01:42:34 aero kernel: thinkpad_acpi: bay device not present
274 282
275In this case, no bay-related events are generated but the eject 283In this case, no bay-related events are generated but the eject
276command described below still works. It can be executed manually or 284command described below still works. It can be executed manually or
@@ -637,12 +645,12 @@ range. The fan cannot be stopped or started with this command.
637 645
638The ThinkPad's ACPI DSDT code will reprogram the fan on its own when 646The ThinkPad's ACPI DSDT code will reprogram the fan on its own when
639certain conditions are met. It will override any fan programming done 647certain conditions are met. It will override any fan programming done
640through ibm-acpi. 648through thinkpad-acpi.
641 649
642The ibm-acpi kernel driver can be programmed to revert the fan level 650The thinkpad-acpi kernel driver can be programmed to revert the fan
643to a safe setting if userspace does not issue one of the fan commands: 651level to a safe setting if userspace does not issue one of the fan
644"enable", "disable", "level" or "watchdog" within a configurable 652commands: "enable", "disable", "level" or "watchdog" within a
645ammount of time. To do this, use the "watchdog" command. 653configurable ammount of time. To do this, use the "watchdog" command.
646 654
647 echo 'watchdog <interval>' > /proc/acpi/ibm/fan 655 echo 'watchdog <interval>' > /proc/acpi/ibm/fan
648 656
@@ -686,8 +694,8 @@ separating them with commas, for example:
686 echo enable,0xffff > /proc/acpi/ibm/hotkey 694 echo enable,0xffff > /proc/acpi/ibm/hotkey
687 echo lcd_disable,crt_enable > /proc/acpi/ibm/video 695 echo lcd_disable,crt_enable > /proc/acpi/ibm/video
688 696
689Commands can also be specified when loading the ibm_acpi module, for 697Commands can also be specified when loading the thinkpad-acpi module,
690example: 698for example:
691 699
692 modprobe ibm_acpi hotkey=enable,0xffff video=auto_disable 700 modprobe thinkpad_acpi hotkey=enable,0xffff video=auto_disable
693 701