17 static int fg_write_regs(struct pmic *p, u8 addr, u16 *data, int num)  in fg_write_regs()  argument
23 		ret = pmic_reg_write(p, addr, *(data + i));  in fg_write_regs()
31 static int fg_read_regs(struct pmic *p, u8 addr, u16 *data, int num)  in fg_read_regs()  argument
38 		ret = pmic_reg_read(p, addr, &dat);  in fg_read_regs()
48 static int fg_write_and_verify(struct pmic *p, u8 addr, u16 data)  in fg_write_and_verify()  argument
53 	ret |= pmic_reg_write(p, addr, val);  in fg_write_and_verify()
54 	ret |= pmic_reg_read(p, addr, &val);  in fg_write_and_verify()
65 static void por_fuelgauge_init(struct pmic *p)  in por_fuelgauge_init()  argument
79 	pmic_reg_write(p, MAX17042_CONFIG, 0x2310);  in por_fuelgauge_init()
91 	pmic_reg_write(p, MAX17042_MLOCKReg1, MODEL_UNLOCK1);  in por_fuelgauge_init()
92 	pmic_reg_write(p, MAX17042_MLOCKReg2, MODEL_UNLOCK2);  in por_fuelgauge_init()
95 	ret = fg_write_regs(p, MAX17042_MODEL1, cell_character0,  in por_fuelgauge_init()
100 	ret = fg_write_regs(p, MAX17042_MODEL2, cell_character1,  in por_fuelgauge_init()
105 	ret = fg_write_regs(p, MAX17042_MODEL3, cell_character2,  in por_fuelgauge_init()
120 	ret = fg_read_regs(p, MAX17042_MODEL1, r_data0, ARRAY_SIZE(r_data0));  in por_fuelgauge_init()
124 	ret = fg_read_regs(p, MAX17042_MODEL2, r_data1, ARRAY_SIZE(r_data1));  in por_fuelgauge_init()
128 	ret = fg_read_regs(p, MAX17042_MODEL3, r_data2, ARRAY_SIZE(r_data2));  in por_fuelgauge_init()
150 	pmic_reg_write(p, MAX17042_MLOCKReg1, MODEL_LOCK1);  in por_fuelgauge_init()
151 	pmic_reg_write(p, MAX17042_MLOCKReg2, MODEL_LOCK2);  in por_fuelgauge_init()
154 	ret = fg_read_regs(p, MAX17042_MODEL1, r_data0, ARRAY_SIZE(r_data0));  in por_fuelgauge_init()
158 	ret = fg_read_regs(p, MAX17042_MODEL2, r_data1, ARRAY_SIZE(r_data1));  in por_fuelgauge_init()
162 	ret = fg_read_regs(p, MAX17042_MODEL3, r_data2, ARRAY_SIZE(r_data2));  in por_fuelgauge_init()
173 	fg_write_and_verify(p, MAX17042_RCOMP0, RCOMP0);  in por_fuelgauge_init()
174 	fg_write_and_verify(p, MAX17042_TEMPCO, TempCo);  in por_fuelgauge_init()
180 	pmic_reg_read(p, MAX17042_STATUS, &val);  in por_fuelgauge_init()
182 	fg_write_and_verify(p, MAX17042_STATUS, val & ~MAX17042_POR);  in por_fuelgauge_init()
189 	debug("%s: model init status: %s\n", p->name, status_msg);  in por_fuelgauge_init()
193 static int power_update_battery(struct pmic *p, struct pmic *bat)  in power_update_battery()  argument
199 	if (pmic_probe(p)) {  in power_update_battery()
204 	ret |= pmic_reg_read(p, MAX17042_VFSOC, &val);  in power_update_battery()
207 	pmic_reg_read(p, MAX17042_VCELL, &val);  in power_update_battery()
212 	pmic_reg_read(p, 0x05, &val);  in power_update_battery()
218 static int power_check_battery(struct pmic *p, struct pmic *bat)  in power_check_battery()  argument
224 	if (pmic_probe(p)) {  in power_check_battery()
229 	ret |= pmic_reg_read(p, MAX17042_STATUS, &val);  in power_check_battery()
233 		por_fuelgauge_init(p);  in power_check_battery()
235 	ret |= pmic_reg_read(p, MAX17042_VERSION, &val);  in power_check_battery()
238 	power_update_battery(p, bat);  in power_check_battery()
266 	struct pmic *p = pmic_alloc();  in power_fg_init()  local
268 	if (!p) {  in power_fg_init()
275 	p->name = name;  in power_fg_init()
276 	p->interface = PMIC_I2C;  in power_fg_init()
277 	p->number_of_regs = FG_NUM_OF_REGS;  in power_fg_init()
278 	p->hw.i2c.addr = MAX17042_I2C_ADDR;  in power_fg_init()
279 	p->hw.i2c.tx_num = 2;  in power_fg_init()
280 	p->sensor_byte_order = PMIC_SENSOR_BYTE_ORDER_BIG;  in power_fg_init()
281 	p->bus = bus;  in power_fg_init()
283 	p->fg = &power_fg_ops;  in power_fg_init()