udl_cmd_write_reg_1
udl_cmd_write_reg_1(cb, UDL_REG_SYNC, 0xff);
udl_cmd_write_reg_1(cb, UDL_REG_SYNC, 0x00);
udl_cmd_write_reg_1(cb, i, buf[i]);
udl_cmd_write_reg_1(cb, UDL_REG_SYNC, 0xff);
udl_cmd_write_reg_1(cb, UDL_REG_SCREEN, UDL_REG_SCREEN_ON);
udl_cmd_write_reg_1(cb, UDL_REG_SYNC, 0xff);
static void udl_cmd_write_reg_1(struct udl_cmd_buf *, uint8_t, uint8_t);
udl_cmd_write_reg_1(cb, UDL_REG_SCREEN, UDL_REG_SCREEN_ON);
udl_cmd_write_reg_1(cb, UDL_REG_SCREEN, UDL_REG_SCREEN_OFF);
udl_cmd_write_reg_1(cb, UDL_REG_SYNC, 0xff);
udl_cmd_write_reg_1(cb, reg + 0, (val >> 16) & 0xff);
udl_cmd_write_reg_1(cb, reg + 1, (val >> 8) & 0xff);
udl_cmd_write_reg_1(cb, reg + 2, (val >> 0) & 0xff);
udl_cmd_write_reg_1(cb, UDL_REG_SYNC, 0x00);