MFPR_PULLDOWN_EN   58 arch/arm/plat-pxa/mfp.c #define MFPR_LPM_DRIVE_LOW	(MFPR_SLEEP_DATA(0) | MFPR_PULLDOWN_EN)
MFPR_PULLDOWN_EN   79 arch/arm/plat-pxa/mfp.c #define MFPR_PULL_LOW		(MFPR_PULL_SEL | MFPR_PULLDOWN_EN)