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| author | Henrique de Moraes Holschuh <hmh@hmh.eng.br> | 2007-04-21 11:08:30 -0300 |
|---|---|---|
| committer | Len Brown <len.brown@intel.com> | 2007-04-21 23:30:33 -0400 |
| commit | 132ce09123755ec5e3d3a8ae22f4f753c3baac97 (patch) | |
| tree | d5ed5b7216cf0743efe6659da74877fffbda866d /Documentation/thinkpad-acpi.txt | |
| parent | f51d1a39840ae5e8678d702ab57377c611fc3826 (diff) | |
| download | lwn-132ce09123755ec5e3d3a8ae22f4f753c3baac97.tar.gz lwn-132ce09123755ec5e3d3a8ae22f4f753c3baac97.zip | |
ACPI: thinkpad-acpi: add debug mode
Add a debug mode parameter and verbose debug mode Kconfig option.
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.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. |