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author | Luming Yu <luming.yu@intel.com> | 2005-03-18 18:03:45 -0500 |
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committer | Len Brown <len.brown@intel.com> | 2005-07-11 23:27:04 -0400 |
commit | fb9802fa59b196d7f90bb3c2e33c555c6bdc4c54 (patch) | |
tree | aca6fd906629c6da124a73b43e6f6c50f81b90b4 /Documentation/acpi-hotkey.txt | |
parent | d58da590451cf6ae75379a2ebf96d3afb8d810d8 (diff) | |
download | kernel_samsung_espresso10-fb9802fa59b196d7f90bb3c2e33c555c6bdc4c54.zip kernel_samsung_espresso10-fb9802fa59b196d7f90bb3c2e33c555c6bdc4c54.tar.gz kernel_samsung_espresso10-fb9802fa59b196d7f90bb3c2e33c555c6bdc4c54.tar.bz2 |
[ACPI] generic Hot Key support
See Documentation/acpi-hotkey.txt
Use cmdline "acpi_specific_hotkey" to enable
legacy platform specific drivers.
http://bugzilla.kernel.org/show_bug.cgi?id=3887
Signed-off-by: Luming Yu <luming.yu@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'Documentation/acpi-hotkey.txt')
-rw-r--r-- | Documentation/acpi-hotkey.txt | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/Documentation/acpi-hotkey.txt b/Documentation/acpi-hotkey.txt new file mode 100644 index 0000000..4c115a7 --- /dev/null +++ b/Documentation/acpi-hotkey.txt @@ -0,0 +1,35 @@ +driver/acpi/hotkey.c implement: +1. /proc/acpi/hotkey/event_config +(event based hotkey or event config interface): +a. add a event based hotkey(event) : +echo "0:bus::action:method:num:num" > event_config + +b. delete a event based hotkey(event): +echo "1:::::num:num" > event_config + +c. modify a event based hotkey(event): +echo "2:bus::action:method:num:num" > event_config + +2. /proc/acpi/hotkey/poll_config +(polling based hotkey or event config interface): +a.add a polling based hotkey(event) : +echo "0:bus:method:action:method:num" > poll_config +this adding command will create a proc file +/proc/acpi/hotkey/method, which is used to get +result of polling. + +b.delete a polling based hotkey(event): +echo "1:::::num" > event_config + +c.modify a polling based hotkey(event): +echo "2:bus:method:action:method:num" > poll_config + +3./proc/acpi/hotkey/action +(interface to call aml method associated with a +specific hotkey(event)) +echo "event_num:event_type:event_argument" > + /proc/acpi/hotkey/action. +The result of the execution of this aml method is +attached to /proc/acpi/hotkey/poll_method, which is dnyamically +created. Please use command "cat /proc/acpi/hotkey/polling_method" +to retrieve it. |