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-rw-r--r--drivers/power/Kconfig7
-rw-r--r--drivers/power/Makefile1
-rw-r--r--drivers/power/ab8500_btemp.c2
-rw-r--r--drivers/power/ab8500_charger.c8
-rw-r--r--drivers/power/ab8500_fg.c8
-rw-r--r--drivers/power/abx500_chargalg.c4
-rw-r--r--drivers/power/avs/smartreflex.c2
-rw-r--r--drivers/power/charger-manager.c9
-rw-r--r--drivers/power/collie_battery.c2
-rw-r--r--drivers/power/ds2760_battery.c9
-rw-r--r--drivers/power/generic-adc-battery.c422
-rw-r--r--drivers/power/jz4740-battery.c6
-rw-r--r--drivers/power/max17040_battery.c2
-rw-r--r--drivers/power/tosa_battery.c2
-rw-r--r--drivers/power/wm97xx_battery.c2
-rw-r--r--drivers/power/z2_battery.c2
16 files changed, 456 insertions, 32 deletions
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index c1892f321c46..80978196aae8 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -29,6 +29,13 @@ config APM_POWER
Say Y here to enable support APM status emulation using
battery class devices.
+config GENERIC_ADC_BATTERY
+ tristate "Generic battery support using IIO"
+ depends on IIO
+ help
+ Say Y here to enable support for the generic battery driver
+ which uses IIO framework to read adc.
+
config MAX8925_POWER
tristate "MAX8925 battery charger support"
depends on MFD_MAX8925
diff --git a/drivers/power/Makefile b/drivers/power/Makefile
index ee58afb1e71f..e0b4d4284e1d 100644
--- a/drivers/power/Makefile
+++ b/drivers/power/Makefile
@@ -5,6 +5,7 @@ power_supply-$(CONFIG_SYSFS) += power_supply_sysfs.o
power_supply-$(CONFIG_LEDS_TRIGGERS) += power_supply_leds.o
obj-$(CONFIG_POWER_SUPPLY) += power_supply.o
+obj-$(CONFIG_GENERIC_ADC_BATTERY) += generic-adc-battery.o
obj-$(CONFIG_PDA_POWER) += pda_power.o
obj-$(CONFIG_APM_POWER) += apm_power.o
diff --git a/drivers/power/ab8500_btemp.c b/drivers/power/ab8500_btemp.c
index bba3ccac72fe..3041514f4d3f 100644
--- a/drivers/power/ab8500_btemp.c
+++ b/drivers/power/ab8500_btemp.c
@@ -1018,7 +1018,7 @@ static int __devinit ab8500_btemp_probe(struct platform_device *pdev)
}
/* Init work for measuring temperature periodically */
- INIT_DELAYED_WORK_DEFERRABLE(&di->btemp_periodic_work,
+ INIT_DEFERRABLE_WORK(&di->btemp_periodic_work,
ab8500_btemp_periodic_work);
/* Identify the battery */
diff --git a/drivers/power/ab8500_charger.c b/drivers/power/ab8500_charger.c
index d4f0c98428cb..0701dbc2b7e1 100644
--- a/drivers/power/ab8500_charger.c
+++ b/drivers/power/ab8500_charger.c
@@ -2618,9 +2618,9 @@ static int __devinit ab8500_charger_probe(struct platform_device *pdev)
}
/* Init work for HW failure check */
- INIT_DELAYED_WORK_DEFERRABLE(&di->check_hw_failure_work,
+ INIT_DEFERRABLE_WORK(&di->check_hw_failure_work,
ab8500_charger_check_hw_failure_work);
- INIT_DELAYED_WORK_DEFERRABLE(&di->check_usbchgnotok_work,
+ INIT_DEFERRABLE_WORK(&di->check_usbchgnotok_work,
ab8500_charger_check_usbchargernotok_work);
/*
@@ -2632,10 +2632,10 @@ static int __devinit ab8500_charger_probe(struct platform_device *pdev)
* watchdog have to be kicked by the charger driver
* when the AC charger is disabled
*/
- INIT_DELAYED_WORK_DEFERRABLE(&di->kick_wd_work,
+ INIT_DEFERRABLE_WORK(&di->kick_wd_work,
ab8500_charger_kick_watchdog_work);
- INIT_DELAYED_WORK_DEFERRABLE(&di->check_vbat_work,
+ INIT_DEFERRABLE_WORK(&di->check_vbat_work,
ab8500_charger_check_vbat_work);
/* Init work for charger detection */
diff --git a/drivers/power/ab8500_fg.c b/drivers/power/ab8500_fg.c
index bf022255994c..5c9e7c263c38 100644
--- a/drivers/power/ab8500_fg.c
+++ b/drivers/power/ab8500_fg.c
@@ -2516,19 +2516,19 @@ static int __devinit ab8500_fg_probe(struct platform_device *pdev)
INIT_WORK(&di->fg_acc_cur_work, ab8500_fg_acc_cur_work);
/* Init work for reinitialising the fg algorithm */
- INIT_DELAYED_WORK_DEFERRABLE(&di->fg_reinit_work,
+ INIT_DEFERRABLE_WORK(&di->fg_reinit_work,
ab8500_fg_reinit_work);
/* Work delayed Queue to run the state machine */
- INIT_DELAYED_WORK_DEFERRABLE(&di->fg_periodic_work,
+ INIT_DEFERRABLE_WORK(&di->fg_periodic_work,
ab8500_fg_periodic_work);
/* Work to check low battery condition */
- INIT_DELAYED_WORK_DEFERRABLE(&di->fg_low_bat_work,
+ INIT_DEFERRABLE_WORK(&di->fg_low_bat_work,
ab8500_fg_low_bat_work);
/* Init work for HW failure check */
- INIT_DELAYED_WORK_DEFERRABLE(&di->fg_check_hw_failure_work,
+ INIT_DEFERRABLE_WORK(&di->fg_check_hw_failure_work,
ab8500_fg_check_hw_failure_work);
/* Initialize OVV, and other registers */
diff --git a/drivers/power/abx500_chargalg.c b/drivers/power/abx500_chargalg.c
index 804b88c760d6..4d302803ffcc 100644
--- a/drivers/power/abx500_chargalg.c
+++ b/drivers/power/abx500_chargalg.c
@@ -1848,9 +1848,9 @@ static int __devinit abx500_chargalg_probe(struct platform_device *pdev)
}
/* Init work for chargalg */
- INIT_DELAYED_WORK_DEFERRABLE(&di->chargalg_periodic_work,
+ INIT_DEFERRABLE_WORK(&di->chargalg_periodic_work,
abx500_chargalg_periodic_work);
- INIT_DELAYED_WORK_DEFERRABLE(&di->chargalg_wd_work,
+ INIT_DEFERRABLE_WORK(&di->chargalg_wd_work,
abx500_chargalg_wd_work);
/* Init work for chargalg */
diff --git a/drivers/power/avs/smartreflex.c b/drivers/power/avs/smartreflex.c
index 44efc6e202af..d4957b4edb62 100644
--- a/drivers/power/avs/smartreflex.c
+++ b/drivers/power/avs/smartreflex.c
@@ -27,6 +27,8 @@
#include <linux/pm_runtime.h>
#include <linux/power/smartreflex.h>
+#include <plat/cpu.h>
+
#define SMARTREFLEX_NAME_LEN 16
#define NVALUE_NAME_LEN 40
#define SR_DISABLE_TIMEOUT 200
diff --git a/drivers/power/charger-manager.c b/drivers/power/charger-manager.c
index 526e5c931294..7ff83cf43c8c 100644
--- a/drivers/power/charger-manager.c
+++ b/drivers/power/charger-manager.c
@@ -509,9 +509,8 @@ static void _setup_polling(struct work_struct *work)
if (!delayed_work_pending(&cm_monitor_work) ||
(delayed_work_pending(&cm_monitor_work) &&
time_after(next_polling, _next_polling))) {
- cancel_delayed_work_sync(&cm_monitor_work);
next_polling = jiffies + polling_jiffy;
- queue_delayed_work(cm_wq, &cm_monitor_work, polling_jiffy);
+ mod_delayed_work(cm_wq, &cm_monitor_work, polling_jiffy);
}
out:
@@ -546,10 +545,8 @@ static void fullbatt_handler(struct charger_manager *cm)
if (cm_suspended)
device_set_wakeup_capable(cm->dev, true);
- if (delayed_work_pending(&cm->fullbatt_vchk_work))
- cancel_delayed_work(&cm->fullbatt_vchk_work);
- queue_delayed_work(cm_wq, &cm->fullbatt_vchk_work,
- msecs_to_jiffies(desc->fullbatt_vchkdrop_ms));
+ mod_delayed_work(cm_wq, &cm->fullbatt_vchk_work,
+ msecs_to_jiffies(desc->fullbatt_vchkdrop_ms));
cm->fullbatt_vchk_jiffies_at = jiffies + msecs_to_jiffies(
desc->fullbatt_vchkdrop_ms);
diff --git a/drivers/power/collie_battery.c b/drivers/power/collie_battery.c
index 74c6b23aeabf..b19bfe400f8c 100644
--- a/drivers/power/collie_battery.c
+++ b/drivers/power/collie_battery.c
@@ -290,7 +290,7 @@ static struct gpio collie_batt_gpios[] = {
static int collie_bat_suspend(struct ucb1x00_dev *dev, pm_message_t state)
{
/* flush all pending status updates */
- flush_work_sync(&bat_work);
+ flush_work(&bat_work);
return 0;
}
diff --git a/drivers/power/ds2760_battery.c b/drivers/power/ds2760_battery.c
index 076e211a40b7..704e652072be 100644
--- a/drivers/power/ds2760_battery.c
+++ b/drivers/power/ds2760_battery.c
@@ -355,8 +355,7 @@ static void ds2760_battery_external_power_changed(struct power_supply *psy)
dev_dbg(di->dev, "%s\n", __func__);
- cancel_delayed_work(&di->monitor_work);
- queue_delayed_work(di->monitor_wqueue, &di->monitor_work, HZ/10);
+ mod_delayed_work(di->monitor_wqueue, &di->monitor_work, HZ/10);
}
@@ -401,8 +400,7 @@ static void ds2760_battery_set_charged(struct power_supply *psy)
/* postpone the actual work by 20 secs. This is for debouncing GPIO
* signals and to let the current value settle. See AN4188. */
- cancel_delayed_work(&di->set_charged_work);
- queue_delayed_work(di->monitor_wqueue, &di->set_charged_work, HZ * 20);
+ mod_delayed_work(di->monitor_wqueue, &di->set_charged_work, HZ * 20);
}
static int ds2760_battery_get_property(struct power_supply *psy,
@@ -616,8 +614,7 @@ static int ds2760_battery_resume(struct platform_device *pdev)
di->charge_status = POWER_SUPPLY_STATUS_UNKNOWN;
power_supply_changed(&di->bat);
- cancel_delayed_work(&di->monitor_work);
- queue_delayed_work(di->monitor_wqueue, &di->monitor_work, HZ);
+ mod_delayed_work(di->monitor_wqueue, &di->monitor_work, HZ);
return 0;
}
diff --git a/drivers/power/generic-adc-battery.c b/drivers/power/generic-adc-battery.c
new file mode 100644
index 000000000000..9bdf44470396
--- /dev/null
+++ b/drivers/power/generic-adc-battery.c
@@ -0,0 +1,422 @@
+/*
+ * Generic battery driver code using IIO
+ * Copyright (C) 2012, Anish Kumar <anish198519851985@gmail.com>
+ * based on jz4740-battery.c
+ * based on s3c_adc_battery.c
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive for
+ * more details.
+ *
+ */
+#include <linux/interrupt.h>
+#include <linux/platform_device.h>
+#include <linux/power_supply.h>
+#include <linux/gpio.h>
+#include <linux/err.h>
+#include <linux/timer.h>
+#include <linux/jiffies.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/iio/consumer.h>
+#include <linux/iio/types.h>
+#include <linux/power/generic-adc-battery.h>
+
+#define JITTER_DEFAULT 10 /* hope 10ms is enough */
+
+enum gab_chan_type {
+ GAB_VOLTAGE = 0,
+ GAB_CURRENT,
+ GAB_POWER,
+ GAB_MAX_CHAN_TYPE
+};
+
+/*
+ * gab_chan_name suggests the standard channel names for commonly used
+ * channel types.
+ */
+static const char *const gab_chan_name[] = {
+ [GAB_VOLTAGE] = "voltage",
+ [GAB_CURRENT] = "current",
+ [GAB_POWER] = "power",
+};
+
+struct gab {
+ struct power_supply psy;
+ struct iio_channel *channel[GAB_MAX_CHAN_TYPE];
+ struct gab_platform_data *pdata;
+ struct delayed_work bat_work;
+ int level;
+ int status;
+ bool cable_plugged;
+};
+
+static struct gab *to_generic_bat(struct power_supply *psy)
+{
+ return container_of(psy, struct gab, psy);
+}
+
+static void gab_ext_power_changed(struct power_supply *psy)
+{
+ struct gab *adc_bat = to_generic_bat(psy);
+
+ schedule_delayed_work(&adc_bat->bat_work, msecs_to_jiffies(0));
+}
+
+static const enum power_supply_property gab_props[] = {
+ POWER_SUPPLY_PROP_STATUS,
+ POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
+ POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN,
+ POWER_SUPPLY_PROP_CHARGE_NOW,
+ POWER_SUPPLY_PROP_VOLTAGE_NOW,
+ POWER_SUPPLY_PROP_CURRENT_NOW,
+ POWER_SUPPLY_PROP_TECHNOLOGY,
+ POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
+ POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
+ POWER_SUPPLY_PROP_MODEL_NAME,
+};
+
+/*
+ * This properties are set based on the received platform data and this
+ * should correspond one-to-one with enum chan_type.
+ */
+static const enum power_supply_property gab_dyn_props[] = {
+ POWER_SUPPLY_PROP_VOLTAGE_NOW,
+ POWER_SUPPLY_PROP_CURRENT_NOW,
+ POWER_SUPPLY_PROP_POWER_NOW,
+};
+
+static bool gab_charge_finished(struct gab *adc_bat)
+{
+ struct gab_platform_data *pdata = adc_bat->pdata;
+ bool ret = gpio_get_value(pdata->gpio_charge_finished);
+ bool inv = pdata->gpio_inverted;
+
+ if (!gpio_is_valid(pdata->gpio_charge_finished))
+ return false;
+ return ret ^ inv;
+}
+
+static int gab_get_status(struct gab *adc_bat)
+{
+ struct gab_platform_data *pdata = adc_bat->pdata;
+ struct power_supply_info *bat_info;
+
+ bat_info = &pdata->battery_info;
+ if (adc_bat->level == bat_info->charge_full_design)
+ return POWER_SUPPLY_STATUS_FULL;
+ return adc_bat->status;
+}
+
+static enum gab_chan_type gab_prop_to_chan(enum power_supply_property psp)
+{
+ switch (psp) {
+ case POWER_SUPPLY_PROP_POWER_NOW:
+ return GAB_POWER;
+ case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+ return GAB_VOLTAGE;
+ case POWER_SUPPLY_PROP_CURRENT_NOW:
+ return GAB_CURRENT;
+ default:
+ WARN_ON(1);
+ break;
+ }
+ return GAB_POWER;
+}
+
+static int read_channel(struct gab *adc_bat, enum power_supply_property psp,
+ int *result)
+{
+ int ret;
+ int chan_index;
+
+ chan_index = gab_prop_to_chan(psp);
+ ret = iio_read_channel_processed(adc_bat->channel[chan_index],
+ result);
+ if (ret < 0)
+ pr_err("read channel error\n");
+ return ret;
+}
+
+static int gab_get_property(struct power_supply *psy,
+ enum power_supply_property psp, union power_supply_propval *val)
+{
+ struct gab *adc_bat;
+ struct gab_platform_data *pdata;
+ struct power_supply_info *bat_info;
+ int result = 0;
+ int ret = 0;
+
+ adc_bat = to_generic_bat(psy);
+ if (!adc_bat) {
+ dev_err(psy->dev, "no battery infos ?!\n");
+ return -EINVAL;
+ }
+ pdata = adc_bat->pdata;
+ bat_info = &pdata->battery_info;
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_STATUS:
+ gab_get_status(adc_bat);
+ break;
+ case POWER_SUPPLY_PROP_CHARGE_EMPTY_DESIGN:
+ val->intval = 0;
+ break;
+ case POWER_SUPPLY_PROP_CHARGE_NOW:
+ val->intval = pdata->cal_charge(result);
+ break;
+ case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+ case POWER_SUPPLY_PROP_CURRENT_NOW:
+ case POWER_SUPPLY_PROP_POWER_NOW:
+ ret = read_channel(adc_bat, psp, &result);
+ if (ret < 0)
+ goto err;
+ val->intval = result;
+ break;
+ case POWER_SUPPLY_PROP_TECHNOLOGY:
+ val->intval = bat_info->technology;
+ break;
+ case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
+ val->intval = bat_info->voltage_min_design;
+ break;
+ case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
+ val->intval = bat_info->voltage_max_design;
+ break;
+ case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
+ val->intval = bat_info->charge_full_design;
+ break;
+ case POWER_SUPPLY_PROP_MODEL_NAME:
+ val->strval = bat_info->name;
+ break;
+ default:
+ return -EINVAL;
+ }
+err:
+ return ret;
+}
+
+static void gab_work(struct work_struct *work)
+{
+ struct gab *adc_bat;
+ struct gab_platform_data *pdata;
+ struct delayed_work *delayed_work;
+ bool is_plugged;
+ int status;
+
+ delayed_work = container_of(work, struct delayed_work, work);
+ adc_bat = container_of(delayed_work, struct gab, bat_work);
+ pdata = adc_bat->pdata;
+ status = adc_bat->status;
+
+ is_plugged = power_supply_am_i_supplied(&adc_bat->psy);
+ adc_bat->cable_plugged = is_plugged;
+
+ if (!is_plugged)
+ adc_bat->status = POWER_SUPPLY_STATUS_DISCHARGING;
+ else if (gab_charge_finished(adc_bat))
+ adc_bat->status = POWER_SUPPLY_STATUS_NOT_CHARGING;
+ else
+ adc_bat->status = POWER_SUPPLY_STATUS_CHARGING;
+
+ if (status != adc_bat->status)
+ power_supply_changed(&adc_bat->psy);
+}
+
+static irqreturn_t gab_charged(int irq, void *dev_id)
+{
+ struct gab *adc_bat = dev_id;
+ struct gab_platform_data *pdata = adc_bat->pdata;
+ int delay;
+
+ delay = pdata->jitter_delay ? pdata->jitter_delay : JITTER_DEFAULT;
+ schedule_delayed_work(&adc_bat->bat_work,
+ msecs_to_jiffies(delay));
+ return IRQ_HANDLED;
+}
+
+static int __devinit gab_probe(struct platform_device *pdev)
+{
+ struct gab *adc_bat;
+ struct power_supply *psy;
+ struct gab_platform_data *pdata = pdev->dev.platform_data;
+ enum power_supply_property *properties;
+ int ret = 0;
+ int chan;
+ int index = 0;
+
+ adc_bat = devm_kzalloc(&pdev->dev, sizeof(*adc_bat), GFP_KERNEL);
+ if (!adc_bat) {
+ dev_err(&pdev->dev, "failed to allocate memory\n");
+ return -ENOMEM;
+ }
+
+ psy = &adc_bat->psy;
+ psy->name = pdata->battery_info.name;
+
+ /* bootup default values for the battery */
+ adc_bat->cable_plugged = false;
+ adc_bat->status = POWER_SUPPLY_STATUS_DISCHARGING;
+ psy->type = POWER_SUPPLY_TYPE_BATTERY;
+ psy->get_property = gab_get_property;
+ psy->external_power_changed = gab_ext_power_changed;
+ adc_bat->pdata = pdata;
+
+ /* calculate the total number of channels */
+ chan = ARRAY_SIZE(gab_chan_name);
+
+ /*
+ * copying the static properties and allocating extra memory for holding
+ * the extra configurable properties received from platform data.
+ */
+ psy->properties = kcalloc(ARRAY_SIZE(gab_props) +
+ ARRAY_SIZE(gab_chan_name),
+ sizeof(*psy->properties), GFP_KERNEL);
+ if (!psy->properties) {
+ ret = -ENOMEM;
+ goto first_mem_fail;
+ }
+
+ memcpy(psy->properties, gab_props, sizeof(gab_props));
+ properties = psy->properties + sizeof(gab_props);
+
+ /*
+ * getting channel from iio and copying the battery properties
+ * based on the channel supported by consumer device.
+ */
+ for (chan = 0; chan < ARRAY_SIZE(gab_chan_name); chan++) {
+ adc_bat->channel[chan] = iio_channel_get(dev_name(&pdev->dev),
+ gab_chan_name[chan]);
+ if (IS_ERR(adc_bat->channel[chan])) {
+ ret = PTR_ERR(adc_bat->channel[chan]);
+ } else {
+ /* copying properties for supported channels only */
+ memcpy(properties + sizeof(*(psy->properties)) * index,
+ &gab_dyn_props[chan],
+ sizeof(gab_dyn_props[chan]));
+ index++;
+ }
+ }
+
+ /* none of the channels are supported so let's bail out */
+ if (index == ARRAY_SIZE(gab_chan_name))
+ goto second_mem_fail;
+
+ /*
+ * Total number of properties is equal to static properties
+ * plus the dynamic properties.Some properties may not be set
+ * as come channels may be not be supported by the device.So
+ * we need to take care of that.
+ */
+ psy->num_properties = ARRAY_SIZE(gab_props) + index;
+
+ ret = power_supply_register(&pdev->dev, psy);
+ if (ret)
+ goto err_reg_fail;
+
+ INIT_DELAYED_WORK(&adc_bat->bat_work, gab_work);
+
+ if (gpio_is_valid(pdata->gpio_charge_finished)) {
+ int irq;
+ ret = gpio_request(pdata->gpio_charge_finished, "charged");
+ if (ret)
+ goto gpio_req_fail;
+
+ irq = gpio_to_irq(pdata->gpio_charge_finished);
+ ret = request_any_context_irq(irq, gab_charged,
+ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
+ "battery charged", adc_bat);
+ if (ret)
+ goto err_gpio;
+ }
+
+ platform_set_drvdata(pdev, adc_bat);
+
+ /* Schedule timer to check current status */
+ schedule_delayed_work(&adc_bat->bat_work,
+ msecs_to_jiffies(0));
+ return 0;
+
+err_gpio:
+ gpio_free(pdata->gpio_charge_finished);
+gpio_req_fail:
+ power_supply_unregister(psy);
+err_reg_fail:
+ for (chan = 0; ARRAY_SIZE(gab_chan_name); chan++)
+ iio_channel_release(adc_bat->channel[chan]);
+second_mem_fail:
+ kfree(psy->properties);
+first_mem_fail:
+ return ret;
+}
+
+static int __devexit gab_remove(struct platform_device *pdev)
+{
+ int chan;
+ struct gab *adc_bat = platform_get_drvdata(pdev);
+ struct gab_platform_data *pdata = adc_bat->pdata;
+
+ power_supply_unregister(&adc_bat->psy);
+
+ if (gpio_is_valid(pdata->gpio_charge_finished)) {
+ free_irq(gpio_to_irq(pdata->gpio_charge_finished), adc_bat);
+ gpio_free(pdata->gpio_charge_finished);
+ }
+
+ for (chan = 0; ARRAY_SIZE(gab_chan_name); chan++)
+ iio_channel_release(adc_bat->channel[chan]);
+
+ kfree(adc_bat->psy.properties);
+ cancel_delayed_work(&adc_bat->bat_work);
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int gab_suspend(struct device *dev)
+{
+ struct gab *adc_bat = dev_get_drvdata(dev);
+
+ cancel_delayed_work_sync(&adc_bat->bat_work);
+ adc_bat->status = POWER_SUPPLY_STATUS_UNKNOWN;
+ return 0;
+}
+
+static int gab_resume(struct device *dev)
+{
+ struct gab *adc_bat = dev_get_drvdata(dev);
+ struct gab_platform_data *pdata = adc_bat->pdata;
+ int delay;
+
+ delay = pdata->jitter_delay ? pdata->jitter_delay : JITTER_DEFAULT;
+
+ /* Schedule timer to check current status */
+ schedule_delayed_work(&adc_bat->bat_work,
+ msecs_to_jiffies(delay));
+ return 0;
+}
+
+static const struct dev_pm_ops gab_pm_ops = {
+ .suspend = gab_suspend,
+ .resume = gab_resume,
+};
+
+#define GAB_PM_OPS (&gab_pm_ops)
+#else
+#define GAB_PM_OPS (NULL)
+#endif
+
+static struct platform_driver gab_driver = {
+ .driver = {
+ .name = "generic-adc-battery",
+ .owner = THIS_MODULE,
+ .pm = GAB_PM_OPS
+ },
+ .probe = gab_probe,
+ .remove = __devexit_p(gab_remove),
+};
+module_platform_driver(gab_driver);
+
+MODULE_AUTHOR("anish kumar <anish198519851985@gmail.com>");
+MODULE_DESCRIPTION("generic battery driver using IIO");
+MODULE_LICENSE("GPL");
diff --git a/drivers/power/jz4740-battery.c b/drivers/power/jz4740-battery.c
index 8dbc7bfaab14..ffbed5e5b945 100644
--- a/drivers/power/jz4740-battery.c
+++ b/drivers/power/jz4740-battery.c
@@ -173,16 +173,14 @@ static void jz_battery_external_power_changed(struct power_supply *psy)
{
struct jz_battery *jz_battery = psy_to_jz_battery(psy);
- cancel_delayed_work(&jz_battery->work);
- schedule_delayed_work(&jz_battery->work, 0);
+ mod_delayed_work(system_wq, &jz_battery->work, 0);
}
static irqreturn_t jz_battery_charge_irq(int irq, void *data)
{
struct jz_battery *jz_battery = data;
- cancel_delayed_work(&jz_battery->work);
- schedule_delayed_work(&jz_battery->work, 0);
+ mod_delayed_work(system_wq, &jz_battery->work, 0);
return IRQ_HANDLED;
}
diff --git a/drivers/power/max17040_battery.c b/drivers/power/max17040_battery.c
index c284143cfcd7..58e67830143c 100644
--- a/drivers/power/max17040_battery.c
+++ b/drivers/power/max17040_battery.c
@@ -232,7 +232,7 @@ static int __devinit max17040_probe(struct i2c_client *client,
max17040_reset(client);
max17040_get_version(client);
- INIT_DELAYED_WORK_DEFERRABLE(&chip->work, max17040_work);
+ INIT_DEFERRABLE_WORK(&chip->work, max17040_work);
schedule_delayed_work(&chip->work, MAX17040_DELAY);
return 0;
diff --git a/drivers/power/tosa_battery.c b/drivers/power/tosa_battery.c
index 28bbe7e094e3..51199b5ce221 100644
--- a/drivers/power/tosa_battery.c
+++ b/drivers/power/tosa_battery.c
@@ -327,7 +327,7 @@ static struct gpio tosa_bat_gpios[] = {
static int tosa_bat_suspend(struct platform_device *dev, pm_message_t state)
{
/* flush all pending status updates */
- flush_work_sync(&bat_work);
+ flush_work(&bat_work);
return 0;
}
diff --git a/drivers/power/wm97xx_battery.c b/drivers/power/wm97xx_battery.c
index d2d4c08c681c..1245fe1f48c3 100644
--- a/drivers/power/wm97xx_battery.c
+++ b/drivers/power/wm97xx_battery.c
@@ -146,7 +146,7 @@ static irqreturn_t wm97xx_chrg_irq(int irq, void *data)
#ifdef CONFIG_PM
static int wm97xx_bat_suspend(struct device *dev)
{
- flush_work_sync(&bat_work);
+ flush_work(&bat_work);
return 0;
}
diff --git a/drivers/power/z2_battery.c b/drivers/power/z2_battery.c
index 8c9a607ea77a..5757d0d6782f 100644
--- a/drivers/power/z2_battery.c
+++ b/drivers/power/z2_battery.c
@@ -276,7 +276,7 @@ static int z2_batt_suspend(struct device *dev)
struct i2c_client *client = to_i2c_client(dev);
struct z2_charger *charger = i2c_get_clientdata(client);
- flush_work_sync(&charger->bat_work);
+ flush_work(&charger->bat_work);
return 0;
}