thinkpad-acpi: document backlight level writeback at driver init
authorHenrique de Moraes Holschuh <hmh@hmh.eng.br>
Sun, 16 May 2010 22:45:57 +0000 (19:45 -0300)
committerHenrique de Moraes Holschuh <hmh@hmh.eng.br>
Sun, 16 May 2010 22:45:57 +0000 (19:45 -0300)
Document this, it is no fun to try to second guess why this sort of
stuff is in place years after it was added...

Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>

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