Example OMAP board configuration file for LCD brightness control

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Hi,
       I'm trying to implement LCD brightness control for the Gumstix Overo (TI OMAP 3503) + Palo43 module. GPIO 144 which can also support PWM signal generation is, connected to the LCD's display on/off signal. 

Could someone point me to an example board-configuration file that I can use, to similarly configure the board-overo.c file, to configure GPIO144 to PWM mode, to enable brightness control for the LCD display?

Best regards,

Elvis Dowson

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