* [PATCH]: Trivial modification to ACPI custom method doc
@ 2012-04-10 5:14 Ang Way Chuang
0 siblings, 0 replies; only message in thread
From: Ang Way Chuang @ 2012-04-10 5:14 UTC (permalink / raw)
To: linux-acpi
Trivial modification to ACPI custom method doc.
Note: Yours truly is not a native speaker.
Sign-off-by: Ang Way Chuang <wcang79@gmail.com>
---
diff --git a/Documentation/acpi/method-customizing.txt b/Documentation/acpi/method-customizing.txt
index 5f55373..9541709 100644
--- a/Documentation/acpi/method-customizing.txt
+++ b/Documentation/acpi/method-customizing.txt
@@ -13,12 +13,12 @@ Users can use this to
method such as _OFF, _ON, _STA, _INI, etc.
For these cases, it is far simpler to dynamically install a single
control method rather than override the entire DSDT, because kernel
-rebuild/reboot is not needed and test result can be got in minutes.
+rebuild/reboot is not needed and test result can be obtained in minutes.
Note: Only ACPI METHOD can be overridden, any other object types like
"Device", "OperationRegion", are not recognized.
-Note: The same ACPI control method can be overridden for many times,
- and it's always the latest one that used by Linux/kernel.
+Note: The same ACPI control method can be overridden many times, Linux
+ always uses the latest ACPI control method.
Note: To get the ACPI debug object output (Store (AAAA, Debug)),
please run "echo 1 > /sys/module/acpi/parameters/aml_debug_output".
@@ -47,7 +47,9 @@ Note: To get the ACPI debug object output (Store (AAAA, Debug)),
e.g. "iasl psr.asl" (psr.aml is generated as a result)
f) mount debugfs by "mount -t debugfs none /sys/kernel/debug"
g) override the old method via the debugfs by running
- "cat /tmp/psr.aml > /sys/kernel/debug/acpi/custom_method"
+ "cat /tmp/psr.aml > /sys/kernel/debug/acpi/custom_method".
+ If ACPI_CUSTOM_METHOD is compiled as a module. Please load
+ the "custom_method" module first.
2. insert a new method
This is easier than overriding an existing method.
@@ -57,9 +59,9 @@ Note: To get the ACPI debug object output (Store (AAAA, Debug)),
3. undo your changes
The "undo" operation is not supported for a new inserted method
right now, i.e. we can not remove a method currently.
- For an overrided method, in order to undo your changes, please
- save a copy of the method original ASL code in step c) section 1,
- and redo step c) ~ g) to override the method with the original one.
+ To restore an overriden method to its original form, please
+ save a copy of the method in the original ASL code in step c) section 1,
+ and redo step c) ~ g) to restore the original method.
Note: We can use a kernel with multiple custom ACPI method running,
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