/*
 * axp259 for standby driver
 *
 * Copyright (C) 2015 allwinnertech Ltd.
 * Author: Ming Li <liming@allwinnertech.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include "../standby.h"
#include "../standby_twi.h"

#define AXP259_ADDR                  (0x36)

int axp259_enter_sleep(void)
{
	u8 reg_val;
	s32 ret = 0;

	ret = twi_byte_rw(TWI_OP_RD, AXP259_ADDR, 0x26, &reg_val);
	if (ret)
		goto out;

	reg_val |= 0x1 << 3;

	ret = twi_byte_rw(TWI_OP_WR, AXP259_ADDR, 0x26, &reg_val);
	if (ret)
		goto out;

out:
	return ret;
}