/*
?*?Copyright?（C）?2011-2015?Freescale?Semiconductor?Inc.?All?Rights?Reserved.
?*/

/*
?*?This?program?is?free?software;?you?can?redistribute?it?and/or?modify
?*?it?under?the?terms?of?the?GNU?General?Public?License?as?published?by
?*?the?Free?Software?Foundation;?either?version?2?of?the?License?or
?*?（at?your?option）?any?later?version.

?*?This?program?is?distributed?in?the?hope?that?it?will?be?useful
?*?but?WITHOUT?ANY?WARRANTY;?without?even?the?implied?warranty?of
?*?MERCHANTABILITY?or?FITNESS?FOR?A?PARTICULAR?PURPOSE.??See?the
?*?GNU?General?Public?License?for?more?details.

?*?You?should?have?received?a?copy?of?the?GNU?General?Public?License?along
?*?with?this?program;?if?not?write?to?the?Free?Software?Foundation?Inc.
?*?51?Franklin?Street?Fifth?Floor?Boston?MA?02110-1301?USA.
?*/

#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?


#define?ADDR_MAX9277	0x0C
#define?ADDR_928	0x2C


struct?i2c_client?*p_i2c_client;

static?int?max9277_probe（struct?i2c_client?*adapter
				const?struct?i2c_device_id?*device_id）;
static?int?max9277_remove（struct?i2c_client?*client）;

static?s32?max9277_read_reg（u8?reg）;
static?s32?max9277_write_reg（u16?reg?u8?val）;

static?int?pwr_gpio?pdb_gpio;


static?const?struct?i2c_device_id?max9277_id[]?=?{
	{“ds90ub927“?0}
	{}
};

MODULE_DEVICE_TABLE（i2c?max9277_id）;

static?struct?i2c_driver?max9277_i2c_driver?=?{
	.driver?=?{
		??.owner?=?THIS_MODULE
		??.name??=?“ds90ub927“
		??}
	.probe??=?max9277_probe
	.remove?=?max9277_remove
	.id_table?=?max9277_id
};


static?s32?max9277_write_reg（u16?reg?u8?val）
{
	s32?ret;

	p_i2c_client->addr?=?ADDR_MAX9277;
	ret?=?i2c_smbus_write_byte_data（p_i2c_client?reg?val）;
	if?（ret?		dev_info（&p_i2c_client->dev
			“%s:write?reg?error:reg=%2xval=%2x\n“?__func__
			reg?val）;
		return?-1;
	}
	return?0;
}

static?s32?max9277_read_reg（u8?reg）
{
	int?val;

	p_i2c_client->addr?=?ADDR_MAX9277;
	val?=?i2c_smbus_read_byte_data（p_i2c_client?reg）;
	if?（val?		dev_info（&p_i2c_client->dev
			“%s:read?reg?error:?reg=%2x\n“?__func__?reg）;
		return?-1;
	}
	return?val;
}


static?s32?ds90ub928_write_reg（u16?reg?u8?val）
{
	s32?ret;

	p_i2c_client->addr?=?ADDR_928;
	ret?=?i2c_smbus_write_byte_data（p_i2c_client?reg?val）;
	if?（ret?		dev_info（&p_i2c_client->dev
			“%s:write?reg?error:reg=%2xval=%2x\n“?__func__
			reg?val）;
		return?-1;
	}
	return?0;
}

static?s32?ds90ub928_read_reg（u8?reg）
{
	int?val;

	p_i2c_client->addr?=?ADDR_928;
	val?=?i2c_smbus_read_byte_data（p_i2c_client?reg）;
	if?（val?		dev_info（&p_i2c_client->dev
			“%s:read?reg?error:?reg=%2x\n“?__func__?reg）;
		return?-1;
	}
	return?val;
}



/*!
?*?max9277?I2C?probe?function