-
-int stpmic1_shadow_read_byte(u8 addr, u8 *buf);
-int stpmic1_shadow_write_byte(u8 addr, u8 *buf);
-int stpmic1_nvm_read_byte(u8 addr, u8 *buf);
-int stpmic1_nvm_write_byte(u8 addr, u8 *buf);
-int stpmic1_nvm_read_all(u8 *buf, int buf_len);
-int stpmic1_nvm_write_all(u8 *buf, int buf_len);