Merge git://git.infradead.org/battery-2.6

* git://git.infradead.org/battery-2.6:
  power_supply: Makefile cleanup
  bq27x00_battery: Add missing kfree(di->bus) in bq27x00_battery_remove()
  power_supply: Introduce maximum current property
  power_supply: Add types for USB chargers
  ds2782_battery: Fix units
  power_supply: Add driver for TWL4030/TPS65950 BCI charger
  bq20z75: Add support for more power supply properties
  wm831x_power: Add missing kfree(wm831x_power) in wm831x_power_remove()
  jz4740-battery: Add missing kfree(jz_battery) in jz_battery_remove()
  ds2760_battery: Add missing kfree(di) in ds2760_battery_remove()
  olpc_battery: Fix endian neutral breakage for s16 values
  ds2760_battery: Fix W1 and W1_SLAVE_DS2760 dependency
  pcf50633-charger: Add missing sysfs_remove_group()
  power_supply: Add driver for TI BQ20Z75 gas gauge IC
  wm831x_power: Remove duplicate chg mask
  omap: rx51: Add support for USB chargers
  power_supply: Add isp1704 charger detection driver

arch/arm/mach-omap2/board-rx51-peripherals.c

@@ -107,6 +107,10 @@ static struct spi_board_info rx51_peripherals_spi_board_info[] __initdata = {
 	},
 };
 
+static struct platform_device rx51_charger_device = {
+	.name = "isp1704_charger",
+};
+
 #if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
 
 #define RX51_GPIO_CAMERA_LENS_COVER	110
@@ -919,5 +923,6 @@ void __init rx51_peripherals_init(void)
 	spi_register_board_info(rx51_peripherals_spi_board_info,
 				ARRAY_SIZE(rx51_peripherals_spi_board_info));
 	omap2_hsmmc_init(mmc);
+	platform_device_register(&rx51_charger_device);
 }
 

drivers/power/Kconfig

@@ -64,8 +64,7 @@ config TEST_POWER
 
 config BATTERY_DS2760
 	tristate "DS2760 battery driver (HP iPAQ & others)"
-	select W1
-	select W1_SLAVE_DS2760
+	depends on W1 && W1_SLAVE_DS2760
 	help
 	  Say Y here to enable support for batteries with ds2760 chip.
 
@@ -109,6 +108,13 @@ config BATTERY_WM97XX
 	help
 	  Say Y to enable support for battery measured by WM97xx aux port.
 
+config BATTERY_BQ20Z75
+        tristate "TI BQ20z75 gas gauge"
+        depends on I2C
+        help
+         Say Y to include support for TI BQ20z75 SBS-compliant
+         gas gauge and protection IC.
+
 config BATTERY_BQ27x00
 	tristate "BQ27x00 battery driver"
 	depends on I2C
@@ -166,4 +172,17 @@ config BATTERY_INTEL_MID
 	  Say Y here to enable the battery driver on Intel MID
 	  platforms.
 
+config CHARGER_ISP1704
+	tristate "ISP1704 USB Charger Detection"
+	depends on USB_OTG_UTILS
+	help
+	  Say Y to enable support for USB Charger Detection with
+	  ISP1707/ISP1704 USB transceivers.
+
+config CHARGER_TWL4030
+	tristate "OMAP TWL4030 BCI charger driver"
+	depends on TWL4030_CORE
+	help
+	  Say Y here to enable support for TWL4030 Battery Charge Interface.
+
 endif # POWER_SUPPLY

drivers/power/Makefile

-power_supply-objs := power_supply_core.o
+ccflags-$(CONFIG_POWER_SUPPLY_DEBUG) := -DDEBUG
 
-ifeq ($(CONFIG_SYSFS),y)
-power_supply-objs += power_supply_sysfs.o
-endif
-
-ifeq ($(CONFIG_LEDS_TRIGGERS),y)
-power_supply-objs += power_supply_leds.o
-endif
-
-ifeq ($(CONFIG_POWER_SUPPLY_DEBUG),y)
-EXTRA_CFLAGS += -DDEBUG
-endif
+power_supply-y				:= power_supply_core.o
+power_supply-$(CONFIG_SYSFS)		+= power_supply_sysfs.o
+power_supply-$(CONFIG_LEDS_TRIGGERS)	+= power_supply_leds.o
 
 obj-$(CONFIG_POWER_SUPPLY)	+= power_supply.o
 
@@ -29,6 +21,7 @@ obj-$(CONFIG_BATTERY_OLPC)	+= olpc_battery.o
 obj-$(CONFIG_BATTERY_TOSA)	+= tosa_battery.o
 obj-$(CONFIG_BATTERY_COLLIE)	+= collie_battery.o
 obj-$(CONFIG_BATTERY_WM97XX)	+= wm97xx_battery.o
+obj-$(CONFIG_BATTERY_BQ20Z75)	+= bq20z75.o
 obj-$(CONFIG_BATTERY_BQ27x00)	+= bq27x00_battery.o
 obj-$(CONFIG_BATTERY_DA9030)	+= da9030_battery.o
 obj-$(CONFIG_BATTERY_MAX17040)	+= max17040_battery.o
@@ -37,3 +30,5 @@ obj-$(CONFIG_BATTERY_S3C_ADC)	+= s3c_adc_battery.o
 obj-$(CONFIG_CHARGER_PCF50633)	+= pcf50633-charger.o
 obj-$(CONFIG_BATTERY_JZ4740)	+= jz4740-battery.o
 obj-$(CONFIG_BATTERY_INTEL_MID)	+= intel_mid_battery.o
+obj-$(CONFIG_CHARGER_ISP1704)	+= isp1704_charger.o
+obj-$(CONFIG_CHARGER_TWL4030)	+= twl4030_charger.o

drivers/power/bq27x00_battery.c

@@ -418,6 +418,7 @@ static int bq27x00_battery_remove(struct i2c_client *client)
 
 	power_supply_unregister(&di->bat);
 
+	kfree(di->bus);
 	kfree(di->bat.name);
 
 	mutex_lock(&battery_mutex);

drivers/power/ds2760_battery.c

@@ -586,6 +586,7 @@ static int ds2760_battery_remove(struct platform_device *pdev)
 					  &di->set_charged_work);
 	destroy_workqueue(di->monitor_wqueue);
 	power_supply_unregister(&di->bat);
+	kfree(di);
 
 	return 0;
 }

drivers/power/ds2782_battery.c

@@ -44,8 +44,8 @@ struct ds278x_info;
 
 struct ds278x_battery_ops {
 	int (*get_battery_current)(struct ds278x_info *info, int *current_uA);
-	int (*get_battery_voltage)(struct ds278x_info *info, int *voltage_uA);
-	int (*get_battery_capacity)(struct ds278x_info *info, int *capacity_uA);
+	int (*get_battery_voltage)(struct ds278x_info *info, int *voltage_uV);
+	int (*get_battery_capacity)(struct ds278x_info *info, int *capacity);
 };
 
 #define to_ds278x_info(x) container_of(x, struct ds278x_info, battery)
@@ -137,7 +137,7 @@ static int ds2782_get_current(struct ds278x_info *info, int *current_uA)
 	return 0;
 }
 
-static int ds2782_get_voltage(struct ds278x_info *info, int *voltage_uA)
+static int ds2782_get_voltage(struct ds278x_info *info, int *voltage_uV)
 {
 	s16 raw;
 	int err;
@@ -149,7 +149,7 @@ static int ds2782_get_voltage(struct ds278x_info *info, int *voltage_uA)
 	err = ds278x_read_reg16(info, DS278x_REG_VOLT_MSB, &raw);
 	if (err)
 		return err;
-	*voltage_uA = (raw / 32) * 4800;
+	*voltage_uV = (raw / 32) * 4800;
 	return 0;
 }
 
@@ -177,7 +177,7 @@ static int ds2786_get_current(struct ds278x_info *info, int *current_uA)
 	return 0;
 }
 
-static int ds2786_get_voltage(struct ds278x_info *info, int *voltage_uA)
+static int ds2786_get_voltage(struct ds278x_info *info, int *voltage_uV)
 {
 	s16 raw;
 	int err;
@@ -189,7 +189,7 @@ static int ds2786_get_voltage(struct ds278x_info *info, int *voltage_uA)
 	err = ds278x_read_reg16(info, DS278x_REG_VOLT_MSB, &raw);
 	if (err)
 		return err;
-	*voltage_uA = (raw / 8) * 1220;
+	*voltage_uV = (raw / 8) * 1220;
 	return 0;
 }
 

drivers/power/isp1704_charger.c

+/*
+ * ISP1704 USB Charger Detection driver
+ *
+ * Copyright (C) 2010 Nokia Corporation
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/device.h>
+#include <linux/sysfs.h>
+#include <linux/platform_device.h>
+#include <linux/power_supply.h>
+#include <linux/delay.h>
+
+#include <linux/usb/otg.h>
+#include <linux/usb/ulpi.h>
+#include <linux/usb/ch9.h>
+#include <linux/usb/gadget.h>
+
+/* Vendor specific Power Control register */
+#define ISP1704_PWR_CTRL		0x3d
+#define ISP1704_PWR_CTRL_SWCTRL		(1 << 0)
+#define ISP1704_PWR_CTRL_DET_COMP	(1 << 1)
+#define ISP1704_PWR_CTRL_BVALID_RISE	(1 << 2)
+#define ISP1704_PWR_CTRL_BVALID_FALL	(1 << 3)
+#define ISP1704_PWR_CTRL_DP_WKPU_EN	(1 << 4)
+#define ISP1704_PWR_CTRL_VDAT_DET	(1 << 5)
+#define ISP1704_PWR_CTRL_DPVSRC_EN	(1 << 6)
+#define ISP1704_PWR_CTRL_HWDETECT	(1 << 7)
+
+#define NXP_VENDOR_ID			0x04cc
+
+static u16 isp170x_id[] = {
+	0x1704,
+	0x1707,
+};
+
+struct isp1704_charger {
+	struct device		*dev;
+	struct power_supply	psy;
+	struct otg_transceiver	*otg;
+	struct notifier_block	nb;
+	struct work_struct	work;
+
+	char			model[7];
+	unsigned		present:1;
+};
+
+/*
+ * ISP1704 detects PS/2 adapters as charger. To make sure the detected charger
+ * is actually a dedicated charger, the following steps need to be taken.
+ */
+static inline int isp1704_charger_verify(struct isp1704_charger *isp)
+{
+	int	ret = 0;
+	u8	r;
+
+	/* Reset the transceiver */
+	r = otg_io_read(isp->otg, ULPI_FUNC_CTRL);
+	r |= ULPI_FUNC_CTRL_RESET;
+	otg_io_write(isp->otg, ULPI_FUNC_CTRL, r);
+	usleep_range(1000, 2000);
+
+	/* Set normal mode */
+	r &= ~(ULPI_FUNC_CTRL_RESET | ULPI_FUNC_CTRL_OPMODE_MASK);
+	otg_io_write(isp->otg, ULPI_FUNC_CTRL, r);
+
+	/* Clear the DP and DM pull-down bits */
+	r = ULPI_OTG_CTRL_DP_PULLDOWN | ULPI_OTG_CTRL_DM_PULLDOWN;
+	otg_io_write(isp->otg, ULPI_CLR(ULPI_OTG_CTRL), r);
+
+	/* Enable strong pull-up on DP (1.5K) and reset */
+	r = ULPI_FUNC_CTRL_TERMSELECT | ULPI_FUNC_CTRL_RESET;
+	otg_io_write(isp->otg, ULPI_SET(ULPI_FUNC_CTRL), r);
+	usleep_range(1000, 2000);
+
+	/* Read the line state */
+	if (!otg_io_read(isp->otg, ULPI_DEBUG)) {
+		/* Disable strong pull-up on DP (1.5K) */
+		otg_io_write(isp->otg, ULPI_CLR(ULPI_FUNC_CTRL),
+				ULPI_FUNC_CTRL_TERMSELECT);
+		return 1;
+	}
+
+	/* Is it a charger or PS/2 connection */
+
+	/* Enable weak pull-up resistor on DP */
+	otg_io_write(isp->otg, ULPI_SET(ISP1704_PWR_CTRL),
+			ISP1704_PWR_CTRL_DP_WKPU_EN);
+
+	/* Disable strong pull-up on DP (1.5K) */
+	otg_io_write(isp->otg, ULPI_CLR(ULPI_FUNC_CTRL),
+			ULPI_FUNC_CTRL_TERMSELECT);
+
+	/* Enable weak pull-down resistor on DM */
+	otg_io_write(isp->otg, ULPI_SET(ULPI_OTG_CTRL),
+			ULPI_OTG_CTRL_DM_PULLDOWN);
+
+	/* It's a charger if the line states are clear */
+	if (!(otg_io_read(isp->otg, ULPI_DEBUG)))
+		ret = 1;
+
+	/* Disable weak pull-up resistor on DP */
+	otg_io_write(isp->otg, ULPI_CLR(ISP1704_PWR_CTRL),
+			ISP1704_PWR_CTRL_DP_WKPU_EN);
+
+	return ret;
+}
+
+static inline int isp1704_charger_detect(struct isp1704_charger *isp)
+{
+	unsigned long	timeout;
+	u8		r;
+	int		ret = 0;
+
+	/* set SW control bit in PWR_CTRL register */
+	otg_io_write(isp->otg, ISP1704_PWR_CTRL,
+			ISP1704_PWR_CTRL_SWCTRL);
+
+	/* enable manual charger detection */
+	r = (ISP1704_PWR_CTRL_SWCTRL | ISP1704_PWR_CTRL_DPVSRC_EN);
+	otg_io_write(isp->otg, ULPI_SET(ISP1704_PWR_CTRL), r);
+	usleep_range(1000, 2000);
+
+	timeout = jiffies + msecs_to_jiffies(300);
+	do {
+		/* Check if there is a charger */
+		if (otg_io_read(isp->otg, ISP1704_PWR_CTRL)
+				& ISP1704_PWR_CTRL_VDAT_DET) {
+			ret = isp1704_charger_verify(isp);
+			break;
+		}
+	} while (!time_after(jiffies, timeout));
+
+	return ret;
+}
+
+static void isp1704_charger_work(struct work_struct *data)
+{
+	int			detect;
+	struct isp1704_charger	*isp =
+		container_of(data, struct isp1704_charger, work);
+
+	/*
+	 * FIXME Only supporting dedicated chargers even though isp1704 can
+	 * detect HUB and HOST chargers. If the device has already been
+	 * enumerated, the detection will break the connection.
+	 */
+	if (isp->otg->state != OTG_STATE_B_IDLE)
+		return;
+
+	/* disable data pullups */
+	if (isp->otg->gadget)
+		usb_gadget_disconnect(isp->otg->gadget);
+
+	/* detect charger */
+	detect = isp1704_charger_detect(isp);
+	if (detect) {
+		isp->present = detect;
+		power_supply_changed(&isp->psy);
+	}
+
+	/* enable data pullups */
+	if (isp->otg->gadget)
+		usb_gadget_connect(isp->otg->gadget);
+}
+
+static int isp1704_notifier_call(struct notifier_block *nb,
+		unsigned long event, void *unused)
+{
+	struct isp1704_charger *isp =
+		container_of(nb, struct isp1704_charger, nb);
+
+	switch (event) {
+	case USB_EVENT_VBUS:
+		schedule_work(&isp->work);
+		break;
+	case USB_EVENT_NONE:
+		if (isp->present) {
+			isp->present = 0;
+			power_supply_changed(&isp->psy);
+		}
+		break;
+	default:
+		return NOTIFY_DONE;
+	}
+
+	return NOTIFY_OK;
+}
+
+static int isp1704_charger_get_property(struct power_supply *psy,
+				enum power_supply_property psp,
+				union power_supply_propval *val)
+{
+	struct isp1704_charger *isp =
+		container_of(psy, struct isp1704_charger, psy);
+
+	switch (psp) {
+	case POWER_SUPPLY_PROP_PRESENT:
+		val->intval = isp->present;
+		break;
+	case POWER_SUPPLY_PROP_MODEL_NAME:
+		val->strval = isp->model;
+		break;
+	case POWER_SUPPLY_PROP_MANUFACTURER:
+		val->strval = "NXP";
+		break;
+	default:
+		return -EINVAL;
+	}
+	return 0;
+}
+
+static enum power_supply_property power_props[] = {
+	POWER_SUPPLY_PROP_PRESENT,
+	POWER_SUPPLY_PROP_MODEL_NAME,
+	POWER_SUPPLY_PROP_MANUFACTURER,
+};
+
+static inline int isp1704_test_ulpi(struct isp1704_charger *isp)
+{
+	int vendor;
+	int product;
+	int i;
+	int ret = -ENODEV;
+
+	/* Test ULPI interface */
+	ret = otg_io_write(isp->otg, ULPI_SCRATCH, 0xaa);
+	if (ret < 0)
+		return ret;
+
+	ret = otg_io_read(isp->otg, ULPI_SCRATCH);
+	if (ret < 0)
+		return ret;
+
+	if (ret != 0xaa)
+		return -ENODEV;
+
+	/* Verify the product and vendor id matches */
+	vendor = otg_io_read(isp->otg, ULPI_VENDOR_ID_LOW);
+	vendor |= otg_io_read(isp->otg, ULPI_VENDOR_ID_HIGH) << 8;
+	if (vendor != NXP_VENDOR_ID)
+		return -ENODEV;
+
+	product = otg_io_read(isp->otg, ULPI_PRODUCT_ID_LOW);
+	product |= otg_io_read(isp->otg, ULPI_PRODUCT_ID_HIGH) << 8;
+
+	for (i = 0; i < ARRAY_SIZE(isp170x_id); i++) {
+		if (product == isp170x_id[i]) {
+			sprintf(isp->model, "isp%x", product);
+			return product;
+		}
+	}
+
+	dev_err(isp->dev, "product id %x not matching known ids", product);
+
+	return -ENODEV;
+}
+
+static int __devinit isp1704_charger_probe(struct platform_device *pdev)
+{
+	struct isp1704_charger	*isp;
+	int			ret = -ENODEV;
+
+	isp = kzalloc(sizeof *isp, GFP_KERNEL);
+	if (!isp)
+		return -ENOMEM;
+
+	isp->otg = otg_get_transceiver();
+	if (!isp->otg)
+		goto fail0;
+
+	ret = isp1704_test_ulpi(isp);
+	if (ret < 0)
+		goto fail1;
+
+	isp->dev = &pdev->dev;
+	platform_set_drvdata(pdev, isp);
+
+	isp->psy.name		= "isp1704";
+	isp->psy.type		= POWER_SUPPLY_TYPE_USB;
+	isp->psy.properties	= power_props;
+	isp->psy.num_properties	= ARRAY_SIZE(power_props);
+	isp->psy.get_property	= isp1704_charger_get_property;
+
+	ret = power_supply_register(isp->dev, &isp->psy);
+	if (ret)
+		goto fail1;
+
+	/*
+	 * REVISIT: using work in order to allow the otg notifications to be
+	 * made atomically in the future.
+	 */
+	INIT_WORK(&isp->work, isp1704_charger_work);
+
+	isp->nb.notifier_call = isp1704_notifier_call;
+
+	ret = otg_register_notifier(isp->otg, &isp->nb);
+	if (ret)
+		goto fail2;
+
+	dev_info(isp->dev, "registered with product id %s\n", isp->model);
+
+	return 0;
+fail2:
+	power_supply_unregister(&isp->psy);
+fail1:
+	otg_put_transceiver(isp->otg);
+fail0:
+	kfree(isp);
+
+	dev_err(&pdev->dev, "failed to register isp1704 with error %d\n", ret);
+
+	return ret;
+}
+
+static int __devexit isp1704_charger_remove(struct platform_device *pdev)
+{
+	struct isp1704_charger *isp = platform_get_drvdata(pdev);
+
+	otg_unregister_notifier(isp->otg, &isp->nb);
+	power_supply_unregister(&isp->psy);
+	otg_put_transceiver(isp->otg);
+	kfree(isp);
+
+	return 0;
+}
+
+static struct platform_driver isp1704_charger_driver = {
+	.driver = {
+		.name = "isp1704_charger",
+	},
+	.probe = isp1704_charger_probe,
+	.remove = __devexit_p(isp1704_charger_remove),
+};
+
+static int __init isp1704_charger_init(void)
+{
+	return platform_driver_register(&isp1704_charger_driver);
+}
+module_init(isp1704_charger_init);
+
+static void __exit isp1704_charger_exit(void)
+{
+	platform_driver_unregister(&isp1704_charger_driver);
+}
+module_exit(isp1704_charger_exit);
+
+MODULE_ALIAS("platform:isp1704_charger");
+MODULE_AUTHOR("Nokia Corporation");
+MODULE_DESCRIPTION("ISP170x USB Charger driver");
+MODULE_LICENSE("GPL");

drivers/power/jz4740-battery.c

@@ -383,6 +383,7 @@ static int __devexit jz_battery_remove(struct platform_device *pdev)
 
 	iounmap(jz_battery->base);
 	release_mem_region(jz_battery->mem->start, resource_size(jz_battery->mem));
+	kfree(jz_battery);
 
 	return 0;
 }

drivers/power/olpc_battery.c

@@ -271,14 +271,14 @@ static int olpc_bat_get_property(struct power_supply *psy,
 		if (ret)
 			return ret;
 
-		val->intval = (int)be16_to_cpu(ec_word) * 9760L / 32;
+		val->intval = (s16)be16_to_cpu(ec_word) * 9760L / 32;
 		break;
 	case POWER_SUPPLY_PROP_CURRENT_AVG:
 		ret = olpc_ec_cmd(EC_BAT_CURRENT, NULL, 0, (void *)&ec_word, 2);
 		if (ret)
 			return ret;
 
-		val->intval = (int)be16_to_cpu(ec_word) * 15625L / 120;
+		val->intval = (s16)be16_to_cpu(ec_word) * 15625L / 120;
 		break;
 	case POWER_SUPPLY_PROP_CAPACITY:
 		ret = olpc_ec_cmd(EC_BAT_SOC, NULL, 0, &ec_byte, 1);
@@ -299,7 +299,7 @@ static int olpc_bat_get_property(struct power_supply *psy,
 		if (ret)
 			return ret;
 
-		val->intval = (int)be16_to_cpu(ec_word) * 100 / 256;
+		val->intval = (s16)be16_to_cpu(ec_word) * 100 / 256;
 		break;
 	case POWER_SUPPLY_PROP_TEMP_AMBIENT:
 		ret = olpc_ec_cmd(EC_AMB_TEMP, NULL, 0, (void *)&ec_word, 2);
@@ -313,7 +313,7 @@ static int olpc_bat_get_property(struct power_supply *psy,
 		if (ret)
 			return ret;
 
-		val->intval = (int)be16_to_cpu(ec_word) * 6250 / 15;
+		val->intval = (s16)be16_to_cpu(ec_word) * 6250 / 15;
 		break;
 	case POWER_SUPPLY_PROP_SERIAL_NUMBER:
 		ret = olpc_ec_cmd(EC_BAT_SERIAL, NULL, 0, (void *)&ser_buf, 8);

drivers/power/pcf50633-charger.c

@@ -456,6 +456,7 @@ static int __devexit pcf50633_mbc_remove(struct platform_device *pdev)
 	for (i = 0; i < ARRAY_SIZE(mbc_irq_handlers); i++)
 		pcf50633_free_irq(mbc->pcf, mbc_irq_handlers[i]);
 
+	sysfs_remove_group(&pdev->dev.kobj, &mbc_attr_group);
 	power_supply_unregister(&mbc->usb);
 	power_supply_unregister(&mbc->adapter);
 	power_supply_unregister(&mbc->ac);

drivers/power/power_supply_sysfs.c

@@ -42,7 +42,8 @@ static ssize_t power_supply_show_property(struct device *dev,
 					  struct device_attribute *attr,
 					  char *buf) {
 	static char *type_text[] = {
-		"Battery", "UPS", "Mains", "USB"
+		"Battery", "UPS", "Mains", "USB",
+		"USB_DCP", "USB_CDP", "USB_ACA"
 	};
 	static char *status_text[] = {
 		"Unknown", "Charging", "Discharging", "Not charging", "Full"
@@ -138,6 +139,7 @@ static struct device_attribute power_supply_attrs[] = {
 	POWER_SUPPLY_ATTR(voltage_min_design),
 	POWER_SUPPLY_ATTR(voltage_now),
 	POWER_SUPPLY_ATTR(voltage_avg),
+	POWER_SUPPLY_ATTR(current_max),
 	POWER_SUPPLY_ATTR(current_now),
 	POWER_SUPPLY_ATTR(current_avg),
 	POWER_SUPPLY_ATTR(power_now),

drivers/power/wm831x_power.c

@@ -267,7 +267,6 @@ static void wm831x_config_battery(struct wm831x *wm831x)
 	ret = wm831x_set_bits(wm831x, WM831X_CHARGER_CONTROL_1,
 			      WM831X_CHG_ENA_MASK |
 			      WM831X_CHG_FAST_MASK |
-			      WM831X_CHG_ITERM_MASK |
 			      WM831X_CHG_ITERM_MASK,
 			      reg1);
 	if (ret != 0)
@@ -612,6 +611,7 @@ static __devexit int wm831x_power_remove(struct platform_device *pdev)
 	power_supply_unregister(&wm831x_power->battery);
 	power_supply_unregister(&wm831x_power->wall);
 	power_supply_unregister(&wm831x_power->usb);
+	kfree(wm831x_power);
 	return 0;
 }
 

include/linux/power_supply.h

@@ -89,6 +89,7 @@ enum power_supply_property {
 	POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
 	POWER_SUPPLY_PROP_VOLTAGE_NOW,
 	POWER_SUPPLY_PROP_VOLTAGE_AVG,
+	POWER_SUPPLY_PROP_CURRENT_MAX,
 	POWER_SUPPLY_PROP_CURRENT_NOW,
 	POWER_SUPPLY_PROP_CURRENT_AVG,
 	POWER_SUPPLY_PROP_POWER_NOW,
@@ -125,7 +126,10 @@ enum power_supply_type {
 	POWER_SUPPLY_TYPE_BATTERY = 0,
 	POWER_SUPPLY_TYPE_UPS,
 	POWER_SUPPLY_TYPE_MAINS,
-	POWER_SUPPLY_TYPE_USB,
+	POWER_SUPPLY_TYPE_USB,		/* Standard Downstream Port */
+	POWER_SUPPLY_TYPE_USB_DCP,	/* Dedicated Charging Port */
+	POWER_SUPPLY_TYPE_USB_CDP,	/* Charging Downstream Port */
+	POWER_SUPPLY_TYPE_USB_ACA,	/* Accessory Charger Adapters */
 };
 
 union power_supply_propval {