-extern int pmu_i2c_combined_read(int bus, int addr, int subaddr, u8* data, int len);
-extern int pmu_i2c_stdsub_write(int bus, int addr, int subaddr, u8* data, int len);
-extern int pmu_i2c_simple_read(int bus, int addr, u8* data, int len);
-extern int pmu_i2c_simple_write(int bus, int addr, u8* data, int len);
-
-