GPIO4_1           279 arch/arm/mach-davinci/da830.c 	MUX_CFG(DA830, GPIO4_1,		12,	20,	0xf,	8,	false)
GPIO4_1           217 arch/arm/mach-davinci/da850.c 	MUX_CFG(DA850, GPIO4_1,		10,	24,	15,	8,	false)