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Commit f0d15c96 authored by Linus Torvalds's avatar Linus Torvalds
Browse files
* git://git.infradead.org/battery-2.6:
  gpio-charger: Fix checking return value of request_any_context_irq
  power_supply: MAX17042: Support additional properties
  max8903_charger: Allow platform data to be __initdata
  power_supply: Add charger driver for MAX8998/LP3974
  power_supply: Add charger driver for MAX8997/8966
  max17042_battery: Remove obsolete cleanup for clientdata
  twl4030_charger: Fix warnings
  wm831x_power: Support multiple instances
  wm831x_backup: Support multiple instances
  apm_power: Fix style error in macros
  s3c_adc_battery: Fix annotation for s3c_adc_battery_probe()
  bq20z75: Enable detection after registering
  bq20z75: Add support for external notification
parents 4d8a93c7 f8c63918
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+2 −0
Original line number Diff line number Diff line
@@ -39,6 +39,8 @@ static struct mfd_cell max8998_devs[] = {
		.name = "max8998-pmic",
	}, {
		.name = "max8998-rtc",
	}, {
		.name = "max8998-battery",
	},
};

+14 −0
Original line number Diff line number Diff line
@@ -235,4 +235,18 @@ config CHARGER_GPIO
	  This driver can be build as a module. If so, the module will be
	  called gpio-charger.

config CHARGER_MAX8997
	tristate "Maxim MAX8997/MAX8966 PMIC battery charger driver"
	depends on MFD_MAX8997 && REGULATOR_MAX8997
	help
	  Say Y to enable support for the battery charger control sysfs and
	  platform data of MAX8997/LP3974 PMICs.

config CHARGER_MAX8998
	tristate "Maxim MAX8998/LP3974 PMIC battery charger driver"
	depends on MFD_MAX8998 && REGULATOR_MAX8998
	help
	  Say Y to enable support for the battery charger control sysfs and
	  platform data of MAX8998/LP3974 PMICs.

endif # POWER_SUPPLY
+2 −0
Original line number Diff line number Diff line
@@ -36,3 +36,5 @@ obj-$(CONFIG_CHARGER_ISP1704) += isp1704_charger.o
obj-$(CONFIG_CHARGER_MAX8903)	+= max8903_charger.o
obj-$(CONFIG_CHARGER_TWL4030)	+= twl4030_charger.o
obj-$(CONFIG_CHARGER_GPIO)	+= gpio-charger.o
obj-$(CONFIG_CHARGER_MAX8997)	+= max8997_charger.o
obj-$(CONFIG_CHARGER_MAX8998)	+= max8998_charger.o
+4 −4
Original line number Diff line number Diff line
@@ -14,11 +14,11 @@
#include <linux/apm-emulation.h>


#define PSY_PROP(psy, prop, val) psy->get_property(psy, \
			 POWER_SUPPLY_PROP_##prop, val)
#define PSY_PROP(psy, prop, val) (psy->get_property(psy, \
			 POWER_SUPPLY_PROP_##prop, val))

#define _MPSY_PROP(prop, val) main_battery->get_property(main_battery, \
							 prop, val)
#define _MPSY_PROP(prop, val) (main_battery->get_property(main_battery, \
							 prop, val))

#define MPSY_PROP(prop, val) _MPSY_PROP(POWER_SUPPLY_PROP_##prop, val)

+94 −9
Original line number Diff line number Diff line
@@ -152,6 +152,10 @@ struct bq20z75_info {
	bool				gpio_detect;
	bool				enable_detection;
	int				irq;
	int				last_state;
	int				poll_time;
	struct delayed_work		work;
	int				ignore_changes;
};

static int bq20z75_read_word_data(struct i2c_client *client, u8 address)
@@ -279,6 +283,7 @@ static int bq20z75_get_battery_property(struct i2c_client *client,
	int reg_offset, enum power_supply_property psp,
	union power_supply_propval *val)
{
	struct bq20z75_info *bq20z75_device = i2c_get_clientdata(client);
	s32 ret;

	ret = bq20z75_read_word_data(client,
@@ -293,7 +298,9 @@ static int bq20z75_get_battery_property(struct i2c_client *client,
	if (ret >= bq20z75_data[reg_offset].min_value &&
	    ret <= bq20z75_data[reg_offset].max_value) {
		val->intval = ret;
		if (psp == POWER_SUPPLY_PROP_STATUS) {
		if (psp != POWER_SUPPLY_PROP_STATUS)
			return 0;

		if (ret & BATTERY_FULL_CHARGED)
			val->intval = POWER_SUPPLY_STATUS_FULL;
		else if (ret & BATTERY_FULL_DISCHARGED)
@@ -302,6 +309,13 @@ static int bq20z75_get_battery_property(struct i2c_client *client,
			val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
		else
			val->intval = POWER_SUPPLY_STATUS_CHARGING;

		if (bq20z75_device->poll_time == 0)
			bq20z75_device->last_state = val->intval;
		else if (bq20z75_device->last_state != val->intval) {
			cancel_delayed_work_sync(&bq20z75_device->work);
			power_supply_changed(&bq20z75_device->power_supply);
			bq20z75_device->poll_time = 0;
		}
	} else {
		if (psp == POWER_SUPPLY_PROP_STATUS)
@@ -545,6 +559,60 @@ static irqreturn_t bq20z75_irq(int irq, void *devid)
	return IRQ_HANDLED;
}

static void bq20z75_external_power_changed(struct power_supply *psy)
{
	struct bq20z75_info *bq20z75_device;

	bq20z75_device = container_of(psy, struct bq20z75_info, power_supply);

	if (bq20z75_device->ignore_changes > 0) {
		bq20z75_device->ignore_changes--;
		return;
	}

	/* cancel outstanding work */
	cancel_delayed_work_sync(&bq20z75_device->work);

	schedule_delayed_work(&bq20z75_device->work, HZ);
	bq20z75_device->poll_time = bq20z75_device->pdata->poll_retry_count;
}

static void bq20z75_delayed_work(struct work_struct *work)
{
	struct bq20z75_info *bq20z75_device;
	s32 ret;

	bq20z75_device = container_of(work, struct bq20z75_info, work.work);

	ret = bq20z75_read_word_data(bq20z75_device->client,
				     bq20z75_data[REG_STATUS].addr);
	/* if the read failed, give up on this work */
	if (ret < 0) {
		bq20z75_device->poll_time = 0;
		return;
	}

	if (ret & BATTERY_FULL_CHARGED)
		ret = POWER_SUPPLY_STATUS_FULL;
	else if (ret & BATTERY_FULL_DISCHARGED)
		ret = POWER_SUPPLY_STATUS_NOT_CHARGING;
	else if (ret & BATTERY_DISCHARGING)
		ret = POWER_SUPPLY_STATUS_DISCHARGING;
	else
		ret = POWER_SUPPLY_STATUS_CHARGING;

	if (bq20z75_device->last_state != ret) {
		bq20z75_device->poll_time = 0;
		power_supply_changed(&bq20z75_device->power_supply);
		return;
	}
	if (bq20z75_device->poll_time > 0) {
		schedule_delayed_work(&bq20z75_device->work, HZ);
		bq20z75_device->poll_time--;
		return;
	}
}

static int __devinit bq20z75_probe(struct i2c_client *client,
	const struct i2c_device_id *id)
{
@@ -566,6 +634,13 @@ static int __devinit bq20z75_probe(struct i2c_client *client,
	bq20z75_device->power_supply.num_properties =
		ARRAY_SIZE(bq20z75_properties);
	bq20z75_device->power_supply.get_property = bq20z75_get_property;
	/* ignore first notification of external change, it is generated
	 * from the power_supply_register call back
	 */
	bq20z75_device->ignore_changes = 1;
	bq20z75_device->last_state = POWER_SUPPLY_STATUS_UNKNOWN;
	bq20z75_device->power_supply.external_power_changed =
		bq20z75_external_power_changed;

	if (pdata) {
		bq20z75_device->gpio_detect =
@@ -625,6 +700,10 @@ static int __devinit bq20z75_probe(struct i2c_client *client,
	dev_info(&client->dev,
		"%s: battery gas gauge device registered\n", client->name);

	INIT_DELAYED_WORK(&bq20z75_device->work, bq20z75_delayed_work);

	bq20z75_device->enable_detection = true;

	return 0;

exit_psupply:
@@ -648,6 +727,9 @@ static int __devexit bq20z75_remove(struct i2c_client *client)
		gpio_free(bq20z75_device->pdata->battery_detect);

	power_supply_unregister(&bq20z75_device->power_supply);

	cancel_delayed_work_sync(&bq20z75_device->work);

	kfree(bq20z75_device);
	bq20z75_device = NULL;

@@ -661,6 +743,9 @@ static int bq20z75_suspend(struct i2c_client *client,
	struct bq20z75_info *bq20z75_device = i2c_get_clientdata(client);
	s32 ret;

	if (bq20z75_device->poll_time > 0)
		cancel_delayed_work_sync(&bq20z75_device->work);

	/* write to manufacturer access with sleep command */
	ret = bq20z75_write_word_data(client,
		bq20z75_data[REG_MANUFACTURER_DATA].addr,
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