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Date: Tue, 28 Jul 2015 10:43:11 +0200
From: Pali Rohár <pali.rohar@...il.com>
To: "Andrew F. Davis" <afd@...com>
Cc: Sebastian Reichel <sre@...nel.org>,
Dmitry Eremin-Solenikov <dbaryshkov@...il.com>,
David Woodhouse <dwmw2@...radead.org>,
Dan Murphy <dmurphy@...com>, linux-pm@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 7/8] power: bq27xxx_battery: Add support for additional
bq27xxx family devices
On Thursday 23 July 2015 12:42:34 Andrew F. Davis wrote:
> Pali,
> On 07/23/2015 11:20 AM, Pali Rohár wrote:
> > On Wednesday 22 July 2015 16:51:59 Andrew F. Davis wrote:
> >> Add support for additional devices and register equivalent family devices
> >> including the bq27010, bq27210, bq272500, bq27510, bq27520, bq27530,
> >> bq27531, bq27541, bq27542, bq27546, bq27545, bq27441, bq27421, and the
> >> bq27641.
> >>
> >> To facilitate this process the register mapings have been moved to tables
> >> and other small cleanups have been made.
> >>
> >> Signed-off-by: Andrew F. Davis <afd@...com>
> >> ---
> >> drivers/power/bq27xxx_battery.c | 618 ++++++++++++++++++++++++++--------------
> >> 1 file changed, 409 insertions(+), 209 deletions(-)
> >>
> >> diff --git a/drivers/power/bq27xxx_battery.c b/drivers/power/bq27xxx_battery.c
> >> index 5686da6..f148222 100644
> >> --- a/drivers/power/bq27xxx_battery.c
> >> +++ b/drivers/power/bq27xxx_battery.c
> >> @@ -17,11 +17,15 @@
> >> * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
> >> *
> >> * Datasheets:
> >> - * http://focus.ti.com/docs/prod/folders/print/bq27000.html
> >> - * http://focus.ti.com/docs/prod/folders/print/bq27500.html
> >> + * http://www.ti.com/product/bq27000
> >> + * http://www.ti.com/product/bq27010
> >> + * http://www.ti.com/product/bq27510-g3
> >> + * http://www.ti.com/product/bq27520-g4
> >> + * http://www.ti.com/product/bq27411-g1
> >> + * http://www.ti.com/product/bq27421-g1
> >> * http://www.ti.com/product/bq27425-g1
> >> - * http://www.ti.com/product/BQ27742-G1
> >> - * http://www.ti.com/product/BQ27510-G3
> >> + * http://www.ti.com/product/bq27742-g1
> >> + * http://www.ti.com/product/bq27621-g1
> >> */
> >
> > Now, when you touching list of links to documentation, you can add also
> > one for bq27200: http://www.ti.com/product/bq27200
> >
>
> OK, good idea.
>
> >>
> >> #include <linux/device.h>
> >> @@ -43,55 +47,66 @@
> >>
> >> #define BQ27XXX_MANUFACTURER "Texas Instruments"
> >>
> >> -#define BQ27x00_REG_TEMP 0x06
> >> -#define BQ27x00_REG_VOLT 0x08
> >> -#define BQ27x00_REG_AI 0x14
> >> -#define BQ27x00_REG_FLAGS 0x0A
> >> -#define BQ27x00_REG_TTE 0x16
> >> -#define BQ27x00_REG_TTF 0x18
> >> -#define BQ27x00_REG_TTECP 0x26
> >> -#define BQ27x00_REG_NAC 0x0C /* Nominal available capacity */
> >> -#define BQ27x00_REG_LMD 0x12 /* Last measured discharge */
> >> -#define BQ27x00_REG_CYCT 0x2A /* Cycle count total */
> >> -#define BQ27x00_REG_AE 0x22 /* Available energy */
> >> -#define BQ27x00_POWER_AVG 0x24
> >> -
> >> -#define BQ27000_REG_RSOC 0x0B /* Relative State-of-Charge */
> >> -#define BQ27000_REG_ILMD 0x76 /* Initial last measured discharge */
> >> +/* BQ27XXX Flags */
> >> +#define BQ27XXX_FLAG_DSC BIT(0)
> >> +#define BQ27XXX_FLAG_SOCF BIT(1) /* State-of-Charge threshold final */
> >> +#define BQ27XXX_FLAG_SOC1 BIT(2) /* State-of-Charge threshold 1 */
> >> +#define BQ27XXX_FLAG_FC BIT(9)
> >> +#define BQ27XXX_FLAG_OTD BIT(14)
> >> +#define BQ27XXX_FLAG_OTC BIT(15)
> >> +
> >> +/* BQ27000 has different layout for Flags register */
> >> #define BQ27000_FLAG_EDVF BIT(0) /* Final End-of-Discharge-Voltage flag */
> >> #define BQ27000_FLAG_EDV1 BIT(1) /* First End-of-Discharge-Voltage flag */
> >> #define BQ27000_FLAG_CI BIT(4) /* Capacity Inaccurate flag */
> >> #define BQ27000_FLAG_FC BIT(5)
> >> #define BQ27000_FLAG_CHGS BIT(7) /* Charge state flag */
> >>
> >> -#define BQ27500_REG_SOC 0x2C
> >> -#define BQ27500_REG_DCAP 0x3C /* Design capacity */
> >> -#define BQ27500_FLAG_DSC BIT(0)
> >> -#define BQ27500_FLAG_SOCF BIT(1) /* State-of-Charge threshold final */
> >> -#define BQ27500_FLAG_SOC1 BIT(2) /* State-of-Charge threshold 1 */
> >> -#define BQ27500_FLAG_FC BIT(9)
> >> -#define BQ27500_FLAG_OTC BIT(15)
> >> -
> >> -#define BQ27742_POWER_AVG 0x76
> >> -
> >> -#define BQ27510_REG_SOC 0x20
> >> -#define BQ27510_REG_DCAP 0x2E /* Design capacity */
> >> -#define BQ27510_REG_CYCT 0x1E /* Cycle count total */
> >> -
> >> -/* bq27425 register addresses are same as bq27x00 addresses minus 4 */
> >> -#define BQ27425_REG_OFFSET 0x04
> >> -#define BQ27425_REG_SOC (0x1C + BQ27425_REG_OFFSET)
> >> -#define BQ27425_REG_DCAP (0x3C + BQ27425_REG_OFFSET)
> >> -
> >> -#define BQ27XXX_RS 20 /* Resistor sense */
> >> -#define BQ27XXX_POWER_CONSTANT (256 * 29200 / 1000)
> >> +#define BQ27XXX_RS (20) /* Resistor sense mOhm */
> >> +#define BQ27XXX_POWER_CONSTANT (29200) /* 29.2 µV^2 * 1000 */
> >> +#define BQ27XXX_CURRENT_CONSTANT (3570) /* 3.57 µV * 1000 */
> >>
> >> struct bq27xxx_device_info;
> >> struct bq27xxx_access_methods {
> >> int (*read)(struct bq27xxx_device_info *di, u8 reg, bool single);
> >> };
> >>
> >> -enum bq27xxx_chip { BQ27000, BQ27500, BQ27425, BQ27742, BQ27510};
> >> +#define INVALID_REG_ADDR 0xff
> >> +
> >> +enum bq27xxx_chip {
> >> + BQ27000, /* bq27000, bq27200 */
> >> + BQ27010, /* bq27010, bq27210 */
> >> + BQ27500, /* bq27500, bq27510, bq27520 */
> >> + BQ27530, /* bq27530, bq27531 */
> >> + BQ27541, /* bq27541, bq27542, bq27546, bq27742 */
> >> + BQ27545, /* bq27545 */
> >> + BQ27421, /* bq27421, bq27425, bq27441, bq27621 */
> >> +};
> >> +
> >> +/*
> >> + * bq27xxx_reg_index - Register names
> >> + *
> >> + * These are indexes into a device's register mapping array.
> >> + */
> >> +enum bq27xxx_reg_index {
> >> + BQ27XXX_REG_CTRL = 0, /* Control */
> >> + BQ27XXX_REG_TEMP, /* Temperature */
> >> + BQ27XXX_REG_INT_TEMP, /* Internal Temperature */
> >> + BQ27XXX_REG_VOLT, /* Voltage */
> >> + BQ27XXX_REG_AI, /* Average Current */
> >> + BQ27XXX_REG_FLAGS, /* Flags */
> >> + BQ27XXX_REG_TTE, /* Time-to-Empty */
> >> + BQ27XXX_REG_TTF, /* Time-to-Full */
> >> + BQ27XXX_REG_TTES, /* Time-to-Empty Standby */
> >> + BQ27XXX_REG_TTECP, /* Time-to-Empty at Constant Power */
> >> + BQ27XXX_REG_NAC, /* Nominal Available Capacity */
> >> + BQ27XXX_REG_FCC, /* Full Charge Capacity */
> >> + BQ27XXX_REG_CYCT, /* Cycle Count */
> >> + BQ27XXX_REG_AE, /* Available Energy */
> >> + BQ27XXX_REG_SOC, /* State-of-Charge */
> >> + BQ27XXX_REG_DCAP, /* Design Capacity */
> >> + BQ27XXX_REG_AP, /* Average Power */
> >> +};
> >>
> >> struct bq27xxx_reg_cache {
> >> int temperature;
> >> @@ -123,9 +138,152 @@ struct bq27xxx_device_info {
> >> struct bq27xxx_access_methods bus;
> >>
> >> struct mutex lock;
> >> +
> >> + u8 *regs;
> >> };
> >>
> >> -static enum power_supply_property bq27x00_battery_props[] = {
> >> +/* Register mappings */
> >> +static u8 bq27000_regs[] = {
> >> + 0x00, /* CONTROL */
> >> + 0x06, /* TEMP */
> >> + 0xff, /* INT TEMP - NA*/
> >> + 0x08, /* VOLT */
> >> + 0x14, /* AVG CURR */
> >> + 0x0a, /* FLAGS */
> >> + 0x16, /* TTE */
> >> + 0x18, /* TTF */
> >> + 0x1c, /* TTES */
> >> + 0x26, /* TTECP */
> >> + 0x0c, /* NAC */
> >> + 0x12, /* LMD(FCC) */
> >> + 0x2a, /* CYCT */
> >> + 0x22, /* AE */
> >> + 0x0b, /* SOC(RSOC) */
> >> + 0x76, /* DCAP(ILMD) */
> >> + 0x24, /* AP */
> >> +};
> >> +
> >> +static u8 bq27010_regs[] = {
> >> + 0x00, /* CONTROL */
> >> + 0x06, /* TEMP */
> >> + 0xff, /* INT TEMP - NA*/
> >> + 0x08, /* VOLT */
> >> + 0x14, /* AVG CURR */
> >> + 0x0a, /* FLAGS */
> >> + 0x16, /* TTE */
> >> + 0x18, /* TTF */
> >> + 0x1c, /* TTES */
> >> + 0x26, /* TTECP */
> >> + 0x0c, /* NAC */
> >> + 0x12, /* LMD(FCC) */
> >> + 0x2a, /* CYCT */
> >> + 0xff, /* AE - NA */
> >> + 0x0b, /* SOC(RSOC) */
> >> + 0x76, /* DCAP(ILMD) */
> >> + 0xff, /* AP - NA */
> >> +};
> >> +
> >> +static u8 bq27500_regs[] = {
> >> + 0x00, /* CONTROL */
> >> + 0x06, /* TEMP */
> >> + 0x28, /* INT TEMP */
> >> + 0x08, /* VOLT */
> >> + 0x14, /* AVG CURR */
> >> + 0x0a, /* FLAGS */
> >> + 0x16, /* TTE */
> >> + 0xff, /* TTF - NA */
> >> + 0x1a, /* TTES */
> >> + 0xff, /* TTECP - NA */
> >> + 0x0c, /* NAC */
> >> + 0x12, /* LMD(FCC) */
> >> + 0x1e, /* CYCT */
> >> + 0xff, /* AE - NA */
> >> + 0x20, /* SOC(RSOC) */
> >> + 0x2e, /* DCAP(ILMD) */
> >> + 0xff, /* AP - NA */
> >> +};
> >> +
> >> +static u8 bq27530_regs[] = {
> >> + 0x00, /* CONTROL */
> >> + 0x06, /* TEMP */
> >> + 0x32, /* INT TEMP */
> >> + 0x08, /* VOLT */
> >> + 0x14, /* AVG CURR */
> >> + 0x0a, /* FLAGS */
> >> + 0x16, /* TTE */
> >> + 0xff, /* TTF - NA */
> >> + 0xff, /* TTES - NA */
> >> + 0xff, /* TTECP - NA */
> >> + 0x0c, /* NAC */
> >> + 0x12, /* LMD(FCC) */
> >> + 0x2a, /* CYCT */
> >> + 0xff, /* AE - NA */
> >> + 0x2c, /* SOC(RSOC) */
> >> + 0xff, /* DCAP - NA */
> >> + 0x24, /* AP */
> >> +};
> >> +
> >> +static u8 bq27541_regs[] = {
> >> + 0x00, /* CONTROL */
> >> + 0x06, /* TEMP */
> >> + 0x28, /* INT TEMP */
> >> + 0x08, /* VOLT */
> >> + 0x14, /* AVG CURR */
> >> + 0x0a, /* FLAGS */
> >> + 0x16, /* TTE */
> >> + 0xff, /* TTF - NA */
> >> + 0xff, /* TTES - NA */
> >> + 0xff, /* TTECP - NA */
> >> + 0x0c, /* NAC */
> >> + 0x12, /* LMD(FCC) */
> >> + 0x2a, /* CYCT */
> >> + 0xff, /* AE - NA */
> >> + 0x2c, /* SOC(RSOC) */
> >> + 0x3c, /* DCAP */
> >> + 0x76, /* AP */
> >> +};
> >> +
> >> +static u8 bq27545_regs[] = {
> >> + 0x00, /* CONTROL */
> >> + 0x06, /* TEMP */
> >> + 0x28, /* INT TEMP */
> >> + 0x08, /* VOLT */
> >> + 0x14, /* AVG CURR */
> >> + 0x0a, /* FLAGS */
> >> + 0x16, /* TTE */
> >> + 0xff, /* TTF - NA */
> >> + 0xff, /* TTES - NA */
> >> + 0xff, /* TTECP - NA */
> >> + 0x0c, /* NAC */
> >> + 0x12, /* LMD(FCC) */
> >> + 0x2a, /* CYCT */
> >> + 0xff, /* AE - NA */
> >> + 0x2c, /* SOC(RSOC) */
> >> + 0xff, /* DCAP - NA */
> >> + 0x24, /* AP */
> >> +};
> >> +
> >> +static u8 bq27421_regs[] = {
> >> + 0x00, /* CONTROL */
> >> + 0x02, /* TEMP */
> >> + 0x1e, /* INT TEMP */
> >> + 0x04, /* VOLT */
> >> + 0x10, /* AVG CURR */
> >> + 0x06, /* FLAGS */
> >> + 0xff, /* TTE - NA */
> >> + 0xff, /* TTF - NA */
> >> + 0xff, /* TTES - NA */
> >> + 0xff, /* TTECP - NA */
> >> + 0x08, /* NAC */
> >> + 0x0e, /* FCC */
> >> + 0xff, /* CYCT - NA */
> >> + 0xff, /* AE - NA */
> >> + 0x1c, /* SOC */
> >> + 0x3c, /* DCAP */
> >> + 0x18, /* AP */
> >> +};
> >> +
> >> +static enum power_supply_property bq27000_battery_props[] = {
> >> POWER_SUPPLY_PROP_STATUS,
> >> POWER_SUPPLY_PROP_PRESENT,
> >> POWER_SUPPLY_PROP_VOLTAGE_NOW,
> >> @@ -147,7 +305,7 @@ static enum power_supply_property bq27x00_battery_props[] = {
> >> POWER_SUPPLY_PROP_MANUFACTURER,
> >> };
> >>
> >> -static enum power_supply_property bq27425_battery_props[] = {
> >> +static enum power_supply_property bq27010_battery_props[] = {
> >> POWER_SUPPLY_PROP_STATUS,
> >> POWER_SUPPLY_PROP_PRESENT,
> >> POWER_SUPPLY_PROP_VOLTAGE_NOW,
> >> @@ -155,14 +313,19 @@ static enum power_supply_property bq27425_battery_props[] = {
> >> POWER_SUPPLY_PROP_CAPACITY,
> >> POWER_SUPPLY_PROP_CAPACITY_LEVEL,
> >> POWER_SUPPLY_PROP_TEMP,
> >> + POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW,
> >> + POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
> >> + POWER_SUPPLY_PROP_TIME_TO_FULL_NOW,
> >> POWER_SUPPLY_PROP_TECHNOLOGY,
> >> POWER_SUPPLY_PROP_CHARGE_FULL,
> >> POWER_SUPPLY_PROP_CHARGE_NOW,
> >> POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
> >> + POWER_SUPPLY_PROP_CYCLE_COUNT,
> >> + POWER_SUPPLY_PROP_HEALTH,
> >> POWER_SUPPLY_PROP_MANUFACTURER,
> >> };
> >>
> >> -static enum power_supply_property bq27742_battery_props[] = {
> >> +static enum power_supply_property bq27500_battery_props[] = {
> >> POWER_SUPPLY_PROP_STATUS,
> >> POWER_SUPPLY_PROP_PRESENT,
> >> POWER_SUPPLY_PROP_VOLTAGE_NOW,
> >> @@ -176,12 +339,29 @@ static enum power_supply_property bq27742_battery_props[] = {
> >> POWER_SUPPLY_PROP_CHARGE_NOW,
> >> POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
> >> POWER_SUPPLY_PROP_CYCLE_COUNT,
> >> + POWER_SUPPLY_PROP_HEALTH,
> >> + POWER_SUPPLY_PROP_MANUFACTURER,
> >> +};
> >> +
> >> +static enum power_supply_property bq27530_battery_props[] = {
> >> + POWER_SUPPLY_PROP_STATUS,
> >> + POWER_SUPPLY_PROP_PRESENT,
> >> + POWER_SUPPLY_PROP_VOLTAGE_NOW,
> >> + POWER_SUPPLY_PROP_CURRENT_NOW,
> >> + POWER_SUPPLY_PROP_CAPACITY,
> >> + POWER_SUPPLY_PROP_CAPACITY_LEVEL,
> >> + POWER_SUPPLY_PROP_TEMP,
> >> + POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW,
> >> + POWER_SUPPLY_PROP_TECHNOLOGY,
> >> + POWER_SUPPLY_PROP_CHARGE_FULL,
> >> + POWER_SUPPLY_PROP_CHARGE_NOW,
> >> POWER_SUPPLY_PROP_POWER_AVG,
> >> POWER_SUPPLY_PROP_HEALTH,
> >> + POWER_SUPPLY_PROP_CYCLE_COUNT,
> >> POWER_SUPPLY_PROP_MANUFACTURER,
> >> };
> >>
> >> -static enum power_supply_property bq27510_battery_props[] = {
> >> +static enum power_supply_property bq27541_battery_props[] = {
> >> POWER_SUPPLY_PROP_STATUS,
> >> POWER_SUPPLY_PROP_PRESENT,
> >> POWER_SUPPLY_PROP_VOLTAGE_NOW,
> >> @@ -200,6 +380,39 @@ static enum power_supply_property bq27510_battery_props[] = {
> >> POWER_SUPPLY_PROP_MANUFACTURER,
> >> };
> >>
> >> +static enum power_supply_property bq27545_battery_props[] = {
> >> + POWER_SUPPLY_PROP_STATUS,
> >> + POWER_SUPPLY_PROP_PRESENT,
> >> + POWER_SUPPLY_PROP_VOLTAGE_NOW,
> >> + POWER_SUPPLY_PROP_CURRENT_NOW,
> >> + POWER_SUPPLY_PROP_CAPACITY,
> >> + POWER_SUPPLY_PROP_CAPACITY_LEVEL,
> >> + POWER_SUPPLY_PROP_TEMP,
> >> + POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW,
> >> + POWER_SUPPLY_PROP_TECHNOLOGY,
> >> + POWER_SUPPLY_PROP_CHARGE_FULL,
> >> + POWER_SUPPLY_PROP_CHARGE_NOW,
> >> + POWER_SUPPLY_PROP_HEALTH,
> >> + POWER_SUPPLY_PROP_CYCLE_COUNT,
> >> + POWER_SUPPLY_PROP_POWER_AVG,
> >> + POWER_SUPPLY_PROP_MANUFACTURER,
> >> +};
> >> +
> >> +static enum power_supply_property bq27421_battery_props[] = {
> >> + POWER_SUPPLY_PROP_STATUS,
> >> + POWER_SUPPLY_PROP_PRESENT,
> >> + POWER_SUPPLY_PROP_VOLTAGE_NOW,
> >> + POWER_SUPPLY_PROP_CURRENT_NOW,
> >> + POWER_SUPPLY_PROP_CAPACITY,
> >> + POWER_SUPPLY_PROP_CAPACITY_LEVEL,
> >> + POWER_SUPPLY_PROP_TEMP,
> >> + POWER_SUPPLY_PROP_TECHNOLOGY,
> >> + POWER_SUPPLY_PROP_CHARGE_FULL,
> >> + POWER_SUPPLY_PROP_CHARGE_NOW,
> >> + POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
> >> + POWER_SUPPLY_PROP_MANUFACTURER,
> >> +};
> >> +
> >> static unsigned int poll_interval = 360;
> >> module_param(poll_interval, uint, 0644);
> >> MODULE_PARM_DESC(poll_interval,
> >> @@ -209,25 +422,14 @@ MODULE_PARM_DESC(poll_interval,
> >> * Common code for BQ27xxx devices
> >> */
> >>
> >> -static inline int bq27xxx_read(struct bq27xxx_device_info *di, u8 reg,
> >> +static inline int bq27xxx_read(struct bq27xxx_device_info *di, int reg_index,
> >> bool single)
> >> {
> >> - if (di->chip == BQ27425)
> >> - return di->bus.read(di, reg - BQ27425_REG_OFFSET, single);
> >> - return di->bus.read(di, reg, single);
> >> -}
> >> + /* Reports EINVAL for invalid/missing registers */
> >> + if (!di || di->regs[reg_index] == INVALID_REG_ADDR)
> >> + return -EINVAL;
> >>
> >> -/*
> >> - * Higher versions of the chip like BQ27425 and BQ27500
> >> - * differ from BQ27000 and BQ27200 in calculation of certain
> >> - * parameters. Hence we need to check for the chip type.
> >> - */
> >> -static bool bq27xxx_is_chip_version_higher(struct bq27xxx_device_info *di)
> >> -{
> >> - if (di->chip == BQ27425 || di->chip == BQ27500 || di->chip == BQ27742
> >> - || di->chip == BQ27510)
> >> - return true;
> >> - return false;
> >> + return di->bus.read(di, di->regs[reg_index], single);
> >> }
> >>
> >> /*
> >> @@ -238,14 +440,7 @@ static int bq27xxx_battery_read_soc(struct bq27xxx_device_info *di)
> >> {
> >> int soc;
> >>
> >> - if (di->chip == BQ27500 || di->chip == BQ27742)
> >> - soc = bq27xxx_read(di, BQ27500_REG_SOC, false);
> >> - else if (di->chip == BQ27510)
> >> - soc = bq27xxx_read(di, BQ27510_REG_SOC, false);
> >> - else if (di->chip == BQ27425)
> >> - soc = bq27xxx_read(di, BQ27425_REG_SOC, false);
> >> - else
> >> - soc = bq27xxx_read(di, BQ27000_REG_RSOC, true);
> >> + soc = bq27xxx_read(di, BQ27XXX_REG_SOC, false);
> >>
> >> if (soc < 0)
> >> dev_dbg(di->dev, "error reading State-of-Charge\n");
> >> @@ -268,10 +463,10 @@ static int bq27xxx_battery_read_charge(struct bq27xxx_device_info *di, u8 reg)
> >> return charge;
> >> }
> >>
> >> - if (bq27xxx_is_chip_version_higher(di))
> >> - charge *= 1000;
> >> + if (di->chip == BQ27000 || di->chip == BQ27010)
> >> + charge *= BQ27XXX_CURRENT_CONSTANT / BQ27XXX_RS;
> >> else
> >> - charge = charge * 3570 / BQ27XXX_RS;
> >> + charge *= 1000;
> >>
> >> return charge;
> >> }
> >> @@ -283,57 +478,46 @@ static int bq27xxx_battery_read_charge(struct bq27xxx_device_info *di, u8 reg)
> >> static inline int bq27xxx_battery_read_nac(struct bq27xxx_device_info *di)
> >> {
> >> int flags;
> >> - bool is_bq27500 = di->chip == BQ27500;
> >> - bool is_bq27742 = di->chip == BQ27742;
> >> - bool is_higher = bq27xxx_is_chip_version_higher(di);
> >> - bool flags_1b = !(is_bq27500 || is_bq27742);
> >>
> >> - flags = bq27xxx_read(di, BQ27x00_REG_FLAGS, flags_1b);
> >> - if (flags >= 0 && !is_higher && (flags & BQ27000_FLAG_CI))
> >> - return -ENODATA;
> >> + if (di->chip == BQ27000 || di->chip == BQ27010) {
> >> + flags = bq27xxx_read(di, BQ27XXX_REG_FLAGS, true);
> >> + if (flags >= 0 && (flags & BQ27000_FLAG_CI))
> >> + return -ENODATA;
> >> + }
> >>
> >> - return bq27xxx_battery_read_charge(di, BQ27x00_REG_NAC);
> >> + return bq27xxx_battery_read_charge(di, BQ27XXX_REG_NAC);
> >> }
> >>
> >> /*
> >> - * Return the battery Last measured discharge in µAh
> >> + * Return the battery Full Charge Capacity in µAh
> >> * Or < 0 if something fails.
> >> */
> >> -static inline int bq27xxx_battery_read_lmd(struct bq27xxx_device_info *di)
> >> +static inline int bq27xxx_battery_read_fcc(struct bq27xxx_device_info *di)
> >> {
> >> - return bq27xxx_battery_read_charge(di, BQ27x00_REG_LMD);
> >> + return bq27xxx_battery_read_charge(di, BQ27XXX_REG_FCC);
> >> }
> >>
> >> /*
> >> - * Return the battery Initial last measured discharge in µAh
> >> + * Return the Design Capacity in µAh
> >> * Or < 0 if something fails.
> >> */
> >> -static int bq27xxx_battery_read_ilmd(struct bq27xxx_device_info *di)
> >> +static int bq27xxx_battery_read_dcap(struct bq27xxx_device_info *di)
> >> {
> >> - int ilmd;
> >> + int dcap;
> >>
> >> - if (bq27xxx_is_chip_version_higher(di)) {
> >> - if (di->chip == BQ27425)
> >> - ilmd = bq27xxx_read(di, BQ27425_REG_DCAP, false);
> >> - else if (di->chip == BQ27510)
> >> - ilmd = bq27xxx_read(di, BQ27510_REG_DCAP, false);
> >> - else
> >> - ilmd = bq27xxx_read(di, BQ27500_REG_DCAP, false);
> >> - } else {
> >> - ilmd = bq27xxx_read(di, BQ27000_REG_ILMD, true);
> >> - }
> >> + dcap = bq27xxx_read(di, BQ27XXX_REG_DCAP, false);
> >>
> >> - if (ilmd < 0) {
> >> + if (dcap < 0) {
> >> dev_dbg(di->dev, "error reading initial last measured discharge\n");
> >> - return ilmd;
> >> + return dcap;
> >> }
> >>
> >> - if (bq27xxx_is_chip_version_higher(di))
> >> - ilmd *= 1000;
> >> + if (di->chip == BQ27000 || di->chip == BQ27010)
> >> + dcap *= BQ27XXX_CURRENT_CONSTANT / BQ27XXX_RS;
> >> else
> >> - ilmd = ilmd * 256 * 3570 / BQ27XXX_RS;
> >> + dcap *= 1000;
> >>
> >> - return ilmd;
> >> + return dcap;
> >> }
> >>
> >> /*
> >> @@ -344,16 +528,16 @@ static int bq27xxx_battery_read_energy(struct bq27xxx_device_info *di)
> >> {
> >> int ae;
> >>
> >> - ae = bq27xxx_read(di, BQ27x00_REG_AE, false);
> >> + ae = bq27xxx_read(di, BQ27XXX_REG_AE, false);
> >> if (ae < 0) {
> >> dev_dbg(di->dev, "error reading available energy\n");
> >> return ae;
> >> }
> >>
> >> - if (di->chip == BQ27500)
> >> - ae *= 1000;
> >> + if (di->chip == BQ27000 || di->chip == BQ27010)
> >> + ae *= BQ27XXX_POWER_CONSTANT / BQ27XXX_RS;
> >> else
> >> - ae = ae * 29200 / BQ27XXX_RS;
> >> + ae *= 1000;
> >>
> >> return ae;
> >> }
> >> @@ -366,13 +550,13 @@ static int bq27xxx_battery_read_temperature(struct bq27xxx_device_info *di)
> >> {
> >> int temp;
> >>
> >> - temp = bq27xxx_read(di, BQ27x00_REG_TEMP, false);
> >> + temp = bq27xxx_read(di, BQ27XXX_REG_TEMP, false);
> >> if (temp < 0) {
> >> dev_err(di->dev, "error reading temperature\n");
> >> return temp;
> >> }
> >>
> >> - if (!bq27xxx_is_chip_version_higher(di))
> >> + if (di->chip == BQ27000 || di->chip == BQ27010)
> >> temp = 5 * temp / 2;
> >>
> >> return temp;
> >> @@ -386,10 +570,7 @@ static int bq27xxx_battery_read_cyct(struct bq27xxx_device_info *di)
> >> {
> >> int cyct;
> >>
> >> - if (di->chip == BQ27510)
> >> - cyct = bq27xxx_read(di, BQ27510_REG_CYCT, false);
> >> - else
> >> - cyct = bq27xxx_read(di, BQ27x00_REG_CYCT, false);
> >> + cyct = bq27xxx_read(di, BQ27XXX_REG_CYCT, false);
> >> if (cyct < 0)
> >> dev_err(di->dev, "error reading cycle count total\n");
> >>
> >> @@ -421,21 +602,32 @@ static int bq27xxx_battery_read_time(struct bq27xxx_device_info *di, u8 reg)
> >> * Read an average power register.
> >> * Return < 0 if something fails.
> >> */
> >> -static int bq27xxx_battery_read_pwr_avg(struct bq27xxx_device_info *di, u8 reg)
> >> +static int bq27xxx_battery_read_pwr_avg(struct bq27xxx_device_info *di)
> >> {
> >> int tval;
> >>
> >> - tval = bq27xxx_read(di, reg, false);
> >> + tval = bq27xxx_read(di, BQ27XXX_REG_AP, false);
> >> if (tval < 0) {
> >> - dev_err(di->dev, "error reading power avg rgister %02x: %d\n",
> >> - reg, tval);
> >> + dev_err(di->dev, "error reading average power register %02x: %d\n",
> >> + BQ27XXX_REG_AP, tval);
> >> return tval;
> >> }
> >>
> >> - if (di->chip == BQ27500)
> >> + if (di->chip == BQ27000 || di->chip == BQ27010)
> >> + return (tval * BQ27XXX_POWER_CONSTANT) / BQ27XXX_RS;
> >> + else
> >> return tval;
> >> +}
> >> +
> >> +/*
> >> + * Returns true if a battery over temperature condition is detected
> >> + */
> >> +static int bq27xxx_battery_overtemp(struct bq27xxx_device_info *di, u16 flags)
> >> +{
> >> + if (di->chip == BQ27500 || di->chip == BQ27541)
> >> + return flags & (BQ27XXX_FLAG_OTC | BQ27XXX_FLAG_OTD);
> >> else
> >> - return (tval * BQ27XXX_POWER_CONSTANT) / BQ27XXX_RS;
> >> + return flags & BQ27XXX_FLAG_OTC;
> >> }
> >>
> >> /*
> >> @@ -444,53 +636,43 @@ static int bq27xxx_battery_read_pwr_avg(struct bq27xxx_device_info *di, u8 reg)
> >> */
> >> static int bq27xxx_battery_read_health(struct bq27xxx_device_info *di)
> >> {
> >> - int tval;
> >> + u16 tval;
> >>
> >> - tval = bq27xxx_read(di, BQ27x00_REG_FLAGS, false);
> >> + tval = bq27xxx_read(di, BQ27XXX_REG_FLAGS, false);
> >> if (tval < 0) {
> >> dev_err(di->dev, "error reading flag register:%d\n", tval);
> >> return tval;
> >> }
> >>
> >> - if (di->chip == BQ27500) {
> >> - if (tval & BQ27500_FLAG_SOCF)
> >> + if (di->chip == BQ27000 || di->chip == BQ27010) {
> >> + if (tval & BQ27000_FLAG_EDV1)
> >> tval = POWER_SUPPLY_HEALTH_DEAD;
> >> - else if (tval & BQ27500_FLAG_OTC)
> >> - tval = POWER_SUPPLY_HEALTH_OVERHEAT;
> >> else
> >> tval = POWER_SUPPLY_HEALTH_GOOD;
> >> - return tval;
> >> - } else if (di->chip == BQ27510) {
> >> - if (tval & BQ27500_FLAG_OTC)
> >> - return POWER_SUPPLY_HEALTH_OVERHEAT;
> >> - return POWER_SUPPLY_HEALTH_GOOD;
> >> } else {
> >> - if (tval & BQ27000_FLAG_EDV1)
> >> + if (tval & BQ27XXX_FLAG_SOCF)
> >> tval = POWER_SUPPLY_HEALTH_DEAD;
> >> + else if (bq27xxx_battery_overtemp(di, tval))
> >> + tval = POWER_SUPPLY_HEALTH_OVERHEAT;
> >> else
> >> tval = POWER_SUPPLY_HEALTH_GOOD;
> >> - return tval;
> >> }
> >>
> >> - return -1;
> >> + return tval;
> >> }
> >>
> >> static void bq27xxx_battery_update(struct bq27xxx_device_info *di)
> >> {
> >> struct bq27xxx_reg_cache cache = {0, };
> >> - bool is_bq27500 = di->chip == BQ27500;
> >> - bool is_bq27510 = di->chip == BQ27510;
> >> - bool is_bq27425 = di->chip == BQ27425;
> >> - bool is_bq27742 = di->chip == BQ27742;
> >> - bool flags_1b = !(is_bq27500 || is_bq27742);
> >> + bool has_ci_flag = di->chip == BQ27000 || di->chip == BQ27010;
> >> + bool has_singe_flag = di->chip == BQ27000 || di->chip == BQ27010;
> >>
> >> - cache.flags = bq27xxx_read(di, BQ27x00_REG_FLAGS, flags_1b);
> >> + cache.flags = bq27xxx_read(di, BQ27XXX_REG_FLAGS, has_singe_flag);
> >> if ((cache.flags & 0xff) == 0xff)
> >> - /* read error */
> >> - cache.flags = -1;
> >> + cache.flags = -1; /* read error */
> >> if (cache.flags >= 0) {
> >> - if (!is_bq27500 && !is_bq27425 && !is_bq27742 && !is_bq27510
> >> - && (cache.flags & BQ27000_FLAG_CI)) {
> >> + cache.temperature = bq27xxx_battery_read_temperature(di);
> >> + if (has_ci_flag && (cache.flags & BQ27000_FLAG_CI)) {
> >> dev_info(di->dev, "battery is not calibrated! ignoring capacity values\n");
> >> cache.capacity = -ENODATA;
> >> cache.energy = -ENODATA;
> >> @@ -500,41 +682,25 @@ static void bq27xxx_battery_update(struct bq27xxx_device_info *di)
> >> cache.charge_full = -ENODATA;
> >> cache.health = -ENODATA;
> >> } else {
> >> + if (di->regs[BQ27XXX_REG_TTE] != INVALID_REG_ADDR)
> >> + cache.time_to_empty = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTE);
> >> + if (di->regs[BQ27XXX_REG_TTECP] != INVALID_REG_ADDR)
> >> + cache.time_to_empty_avg = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTECP);
> >> + if (di->regs[BQ27XXX_REG_TTF] != INVALID_REG_ADDR)
> >> + cache.time_to_full = bq27xxx_battery_read_time(di, BQ27XXX_REG_TTF);
> >> + cache.charge_full = bq27xxx_battery_read_fcc(di);
> >> cache.capacity = bq27xxx_battery_read_soc(di);
> >> - if (is_bq27742 || is_bq27510)
> >> - cache.time_to_empty =
> >> - bq27xxx_battery_read_time(di,
> >> - BQ27x00_REG_TTE);
> >> - else if (!is_bq27425) {
> >> + if (di->regs[BQ27XXX_REG_AE] != INVALID_REG_ADDR)
> >> cache.energy = bq27xxx_battery_read_energy(di);
> >> - cache.time_to_empty =
> >> - bq27xxx_battery_read_time(di,
> >> - BQ27x00_REG_TTE);
> >> - cache.time_to_empty_avg =
> >> - bq27xxx_battery_read_time(di,
> >> - BQ27x00_REG_TTECP);
> >> - cache.time_to_full =
> >> - bq27xxx_battery_read_time(di,
> >> - BQ27x00_REG_TTF);
> >> - }
> >> - cache.charge_full = bq27xxx_battery_read_lmd(di);
> >> cache.health = bq27xxx_battery_read_health(di);
> >> }
> >> - cache.temperature = bq27xxx_battery_read_temperature(di);
> >> - if (!is_bq27425)
> >> + if (di->regs[BQ27XXX_REG_CYCT] != INVALID_REG_ADDR)
> >> cache.cycle_count = bq27xxx_battery_read_cyct(di);
> >> - if (is_bq27742)
> >> - cache.power_avg =
> >> - bq27xxx_battery_read_pwr_avg(di,
> >> - BQ27742_POWER_AVG);
> >> - else
> >> - cache.power_avg =
> >> - bq27xxx_battery_read_pwr_avg(di,
> >> - BQ27x00_POWER_AVG);
> >> + cache.power_avg = bq27xxx_battery_read_pwr_avg(di);
> >>
> >> /* We only have to read charge design full once */
> >> if (di->charge_design_full <= 0)
> >> - di->charge_design_full = bq27xxx_battery_read_ilmd(di);
> >> + di->charge_design_full = bq27xxx_battery_read_dcap(di);
> >> }
> >>
> >> if (di->cache.capacity != cache.capacity)
> >> @@ -549,7 +715,8 @@ static void bq27xxx_battery_update(struct bq27xxx_device_info *di)
> >> static void bq27xxx_battery_poll(struct work_struct *work)
> >> {
> >> struct bq27xxx_device_info *di =
> >> - container_of(work, struct bq27xxx_device_info, work.work);
> >> + container_of(work, struct bq27xxx_device_info,
> >> + work.work);
> >>
> >> bq27xxx_battery_update(di);
> >>
> >> @@ -571,23 +738,23 @@ static int bq27xxx_battery_current(struct bq27xxx_device_info *di,
> >> int curr;
> >> int flags;
> >>
> >> - curr = bq27xxx_read(di, BQ27x00_REG_AI, false);
> >> + curr = bq27xxx_read(di, BQ27XXX_REG_AI, false);
> >> if (curr < 0) {
> >> dev_err(di->dev, "error reading current\n");
> >> return curr;
> >> }
> >>
> >> - if (bq27xxx_is_chip_version_higher(di)) {
> >> - /* bq27500 returns signed value */
> >> - val->intval = (int)((s16)curr) * 1000;
> >> - } else {
> >> - flags = bq27xxx_read(di, BQ27x00_REG_FLAGS, false);
> >> + if (di->chip == BQ27000 || di->chip == BQ27010) {
> >> + flags = bq27xxx_read(di, BQ27XXX_REG_FLAGS, false);
> >> if (flags & BQ27000_FLAG_CHGS) {
> >> dev_dbg(di->dev, "negative current!\n");
> >> curr = -curr;
> >> }
> >>
> >> - val->intval = curr * 3570 / BQ27XXX_RS;
> >> + val->intval = curr * BQ27XXX_CURRENT_CONSTANT / BQ27XXX_RS;
> >> + } else {
> >> + /* Other gauges return signed value */
> >> + val->intval = (int)((s16)curr) * 1000;
> >> }
> >>
> >> return 0;
> >> @@ -598,14 +765,7 @@ static int bq27xxx_battery_status(struct bq27xxx_device_info *di,
> >> {
> >> int status;
> >>
> >> - if (bq27xxx_is_chip_version_higher(di)) {
> >> - if (di->cache.flags & BQ27500_FLAG_FC)
> >> - status = POWER_SUPPLY_STATUS_FULL;
> >> - else if (di->cache.flags & BQ27500_FLAG_DSC)
> >> - status = POWER_SUPPLY_STATUS_DISCHARGING;
> >> - else
> >> - status = POWER_SUPPLY_STATUS_CHARGING;
> >> - } else {
> >> + if (di->chip == BQ27000 || di->chip == BQ27010) {
> >> if (di->cache.flags & BQ27000_FLAG_FC)
> >> status = POWER_SUPPLY_STATUS_FULL;
> >> else if (di->cache.flags & BQ27000_FLAG_CHGS)
> >> @@ -614,6 +774,13 @@ static int bq27xxx_battery_status(struct bq27xxx_device_info *di,
> >> status = POWER_SUPPLY_STATUS_NOT_CHARGING;
> >> else
> >> status = POWER_SUPPLY_STATUS_DISCHARGING;
> >> + } else {
> >> + if (di->cache.flags & BQ27XXX_FLAG_FC)
> >> + status = POWER_SUPPLY_STATUS_FULL;
> >> + else if (di->cache.flags & BQ27XXX_FLAG_DSC)
> >> + status = POWER_SUPPLY_STATUS_DISCHARGING;
> >> + else
> >> + status = POWER_SUPPLY_STATUS_CHARGING;
> >> }
> >>
> >> val->intval = status;
> >> @@ -626,21 +793,21 @@ static int bq27xxx_battery_capacity_level(struct bq27xxx_device_info *di,
> >> {
> >> int level;
> >>
> >> - if (bq27xxx_is_chip_version_higher(di)) {
> >> - if (di->cache.flags & BQ27500_FLAG_FC)
> >> + if (di->chip == BQ27000 || di->chip == BQ27010) {
> >> + if (di->cache.flags & BQ27000_FLAG_FC)
> >> level = POWER_SUPPLY_CAPACITY_LEVEL_FULL;
> >> - else if (di->cache.flags & BQ27500_FLAG_SOC1)
> >> + else if (di->cache.flags & BQ27000_FLAG_EDV1)
> >> level = POWER_SUPPLY_CAPACITY_LEVEL_LOW;
> >> - else if (di->cache.flags & BQ27500_FLAG_SOCF)
> >> + else if (di->cache.flags & BQ27000_FLAG_EDVF)
> >> level = POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL;
> >> else
> >> level = POWER_SUPPLY_CAPACITY_LEVEL_NORMAL;
> >> } else {
> >> - if (di->cache.flags & BQ27000_FLAG_FC)
> >> + if (di->cache.flags & BQ27XXX_FLAG_FC)
> >> level = POWER_SUPPLY_CAPACITY_LEVEL_FULL;
> >> - else if (di->cache.flags & BQ27000_FLAG_EDV1)
> >> + else if (di->cache.flags & BQ27XXX_FLAG_SOC1)
> >> level = POWER_SUPPLY_CAPACITY_LEVEL_LOW;
> >> - else if (di->cache.flags & BQ27000_FLAG_EDVF)
> >> + else if (di->cache.flags & BQ27XXX_FLAG_SOCF)
> >> level = POWER_SUPPLY_CAPACITY_LEVEL_CRITICAL;
> >> else
> >> level = POWER_SUPPLY_CAPACITY_LEVEL_NORMAL;
> >> @@ -660,7 +827,7 @@ static int bq27xxx_battery_voltage(struct bq27xxx_device_info *di,
> >> {
> >> int volt;
> >>
> >> - volt = bq27xxx_read(di, BQ27x00_REG_VOLT, false);
> >> + volt = bq27xxx_read(di, BQ27XXX_REG_VOLT, false);
> >> if (volt < 0) {
> >> dev_err(di->dev, "error reading voltage\n");
> >> return volt;
> >> @@ -721,7 +888,7 @@ static int bq27xxx_battery_get_property(struct power_supply *psy,
> >> case POWER_SUPPLY_PROP_TEMP:
> >> ret = bq27xxx_simple_value(di->cache.temperature, val);
> >> if (ret == 0)
> >> - val->intval -= 2731;
> >> + val->intval -= 2731; /* convert decidegree k to c */
> >> break;
> >> case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW:
> >> ret = bq27xxx_simple_value(di->cache.time_to_empty, val);
> >> @@ -787,18 +954,27 @@ static int bq27xxx_powersupply_init(struct bq27xxx_device_info *di,
> >>
> >> psy_desc->name = name;
> >> psy_desc->type = POWER_SUPPLY_TYPE_BATTERY;
> >> - if (di->chip == BQ27425) {
> >> - psy_desc->properties = bq27425_battery_props;
> >> - psy_desc->num_properties = ARRAY_SIZE(bq27425_battery_props);
> >> - } else if (di->chip == BQ27742) {
> >> - psy_desc->properties = bq27742_battery_props;
> >> - psy_desc->num_properties = ARRAY_SIZE(bq27742_battery_props);
> >> - } else if (di->chip == BQ27510) {
> >> - psy_desc->properties = bq27510_battery_props;
> >> - psy_desc->num_properties = ARRAY_SIZE(bq27510_battery_props);
> >> + if (di->chip == BQ27000) {
> >> + psy_desc->properties = bq27000_battery_props;
> >> + psy_desc->num_properties = ARRAY_SIZE(bq27000_battery_props);
> >> + } else if (di->chip == BQ27010) {
> >> + psy_desc->properties = bq27010_battery_props;
> >> + psy_desc->num_properties = ARRAY_SIZE(bq27010_battery_props);
> >> + } else if (di->chip == BQ27500) {
> >> + psy_desc->properties = bq27500_battery_props;
> >> + psy_desc->num_properties = ARRAY_SIZE(bq27500_battery_props);
> >> + } else if (di->chip == BQ27530) {
> >> + psy_desc->properties = bq27530_battery_props;
> >> + psy_desc->num_properties = ARRAY_SIZE(bq27530_battery_props);
> >> + } else if (di->chip == BQ27541) {
> >> + psy_desc->properties = bq27541_battery_props;
> >> + psy_desc->num_properties = ARRAY_SIZE(bq27541_battery_props);
> >> + } else if (di->chip == BQ27545) {
> >> + psy_desc->properties = bq27545_battery_props;
> >> + psy_desc->num_properties = ARRAY_SIZE(bq27545_battery_props);
> >> } else {
> >> - psy_desc->properties = bq27x00_battery_props;
> >> - psy_desc->num_properties = ARRAY_SIZE(bq27x00_battery_props);
> >> + psy_desc->properties = bq27421_battery_props;
> >> + psy_desc->num_properties = ARRAY_SIZE(bq27421_battery_props);
> >> }
> >> psy_desc->get_property = bq27xxx_battery_get_property;
> >> psy_desc->external_power_changed = bq27xxx_external_power_changed;
> >> @@ -913,10 +1089,32 @@ static int bq27xxx_battery_i2c_probe(struct i2c_client *client,
> >> di->chip = id->driver_data;
> >> di->bus.read = &bq27xxx_battery_i2c_read;
> >>
> >> + if (di->chip == BQ27000) {
> >> + di->regs = bq27000_regs;
> >> + } else if (di->chip == BQ27010) {
> >> + di->regs = bq27010_regs;
> >> + } else if (di->chip == BQ27500) {
> >> + di->regs = bq27500_regs;
> >> + } else if (di->chip == BQ27530) {
> >> + di->regs = bq27530_regs;
> >> + } else if (di->chip == BQ27541) {
> >> + di->regs = bq27541_regs;
> >> + } else if (di->chip == BQ27545) {
> >> + di->regs = bq27545_regs;
> >> + } else if (di->chip == BQ27421) {
> >> + di->regs = bq27421_regs;
> >> + } else {
> >> + dev_err(&client->dev, "Unexpected gas gauge: %d\n", di->chip);
> >> + di->regs = bq27000_regs;
> >> + }
> >> +
> >> retval = bq27xxx_powersupply_init(di, name);
> >> if (retval)
> >> goto batt_failed;
> >>
> >> + /* Schedule a polling after about 1 min */
> >> + schedule_delayed_work(&di->work, 60 * HZ);
> >> +
> >> i2c_set_clientdata(client, di);
> >>
> >> return 0;
> >> @@ -943,11 +1141,13 @@ static int bq27xxx_battery_i2c_remove(struct i2c_client *client)
> >> }
> >>
> >> static const struct i2c_device_id bq27xxx_id[] = {
> >> - { "bq27200", BQ27000 }, /* bq27200 is same as bq27000, but with i2c */
> >> + { "bq27000", BQ27000 },
> >
> > I2C version is bq27200, HDQ is bq27000. So here in struct i2c_device_id
> > is needed bq27200.
> >
> > Also existing kernel code depends on it (git grep bq27200).
> >
>
> My bad, I'll fix it.
>
> >> + { "bq27010", BQ27010 },
> >> { "bq27500", BQ27500 },
> >> - { "bq27425", BQ27425 },
> >> - { "bq27742", BQ27742 },
> >> - { "bq27510", BQ27510 },
> >> + { "bq27530", BQ27530 },
> >> + { "bq27541", BQ27541 },
> >> + { "bq27545", BQ27545 },
> >> + { "bq27421", BQ27421 },
> >
> > Why you removed support for bq27425, bq27742 and bq27510?
> >
>
> I merged devices into families so they are still supported under the more
> generic family ID, so I'll re-add the devices here.
>
Yes, devices are needed to be in this table.
> Thanks,
> Andrew F. Davis
>
> >> {},
> >> };
> >> MODULE_DEVICE_TABLE(i2c, bq27xxx_id);
> >
>
--
Pali Rohár
pali.rohar@...il.com
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