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Diffstat (limited to 'Documentation/thinkpad-acpi.txt')
| -rw-r--r-- | Documentation/thinkpad-acpi.txt | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/Documentation/thinkpad-acpi.txt b/Documentation/thinkpad-acpi.txt index af18d294cf1a..82fd8228fd41 100644 --- a/Documentation/thinkpad-acpi.txt +++ b/Documentation/thinkpad-acpi.txt @@ -699,3 +699,16 @@ for example: modprobe thinkpad_acpi hotkey=enable,0xffff video=auto_disable +Enabling debugging output +------------------------- + +The module takes a debug paramater which can be used to selectively +enable various classes of debugging output, for example: + + modprobe ibm_acpi debug=0xffff + +will enable all debugging output classes. It takes a bitmask, so +to enable more than one output class, just add their values. + +There is also a kernel build option to enable more debugging +information, which may be necessary to debug driver problems. |