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authorSebastian Reichel <sre@kernel.org>2016-06-17 13:54:32 +0200
committerSebastian Reichel <sre@kernel.org>2016-08-11 01:11:03 +0200
commit8c0984e5a75337df513047ec92a6c09d78e3e5cd (patch)
treea2fc0a0dd7c7c40d9379bdd1c2b279c0959d0e1f /drivers/power/ds2760_battery.c
parent29b4817d4018df78086157ea3a55c1d9424a7cfc (diff)
power: move power supply drivers to power/supply
This moves all power supply drivers from drivers/power/ to drivers/power/supply/. The intention is a cleaner source tree, since drivers/power/ also contains frameworks unrelated to power supply, like adaptive voltage scaling. Signed-off-by: Sebastian Reichel <sre@kernel.org>
Diffstat (limited to 'drivers/power/ds2760_battery.c')
-rw-r--r--drivers/power/ds2760_battery.c647
1 files changed, 0 insertions, 647 deletions
diff --git a/drivers/power/ds2760_battery.c b/drivers/power/ds2760_battery.c
deleted file mode 100644
index 80f73ccb77ab..000000000000
--- a/drivers/power/ds2760_battery.c
+++ /dev/null
@@ -1,647 +0,0 @@
-/*
- * Driver for batteries with DS2760 chips inside.
- *
- * Copyright © 2007 Anton Vorontsov
- * 2004-2007 Matt Reimer
- * 2004 Szabolcs Gyurko
- *
- * Use consistent with the GNU GPL is permitted,
- * provided that this copyright notice is
- * preserved in its entirety in all copies and derived works.
- *
- * Author: Anton Vorontsov <cbou@mail.ru>
- * February 2007
- *
- * Matt Reimer <mreimer@vpop.net>
- * April 2004, 2005, 2007
- *
- * Szabolcs Gyurko <szabolcs.gyurko@tlt.hu>
- * September 2004
- */
-
-#include <linux/module.h>
-#include <linux/param.h>
-#include <linux/jiffies.h>
-#include <linux/workqueue.h>
-#include <linux/pm.h>
-#include <linux/slab.h>
-#include <linux/platform_device.h>
-#include <linux/power_supply.h>
-
-#include "../w1/w1.h"
-#include "../w1/slaves/w1_ds2760.h"
-
-struct ds2760_device_info {
- struct device *dev;
-
- /* DS2760 data, valid after calling ds2760_battery_read_status() */
- unsigned long update_time; /* jiffies when data read */
- char raw[DS2760_DATA_SIZE]; /* raw DS2760 data */
- int voltage_raw; /* units of 4.88 mV */
- int voltage_uV; /* units of µV */
- int current_raw; /* units of 0.625 mA */
- int current_uA; /* units of µA */
- int accum_current_raw; /* units of 0.25 mAh */
- int accum_current_uAh; /* units of µAh */
- int temp_raw; /* units of 0.125 °C */
- int temp_C; /* units of 0.1 °C */
- int rated_capacity; /* units of µAh */
- int rem_capacity; /* percentage */
- int full_active_uAh; /* units of µAh */
- int empty_uAh; /* units of µAh */
- int life_sec; /* units of seconds */
- int charge_status; /* POWER_SUPPLY_STATUS_* */
-
- int full_counter;
- struct power_supply *bat;
- struct power_supply_desc bat_desc;
- struct device *w1_dev;
- struct workqueue_struct *monitor_wqueue;
- struct delayed_work monitor_work;
- struct delayed_work set_charged_work;
-};
-
-static unsigned int cache_time = 1000;
-module_param(cache_time, uint, 0644);
-MODULE_PARM_DESC(cache_time, "cache time in milliseconds");
-
-static bool pmod_enabled;
-module_param(pmod_enabled, bool, 0644);
-MODULE_PARM_DESC(pmod_enabled, "PMOD enable bit");
-
-static unsigned int rated_capacity;
-module_param(rated_capacity, uint, 0644);
-MODULE_PARM_DESC(rated_capacity, "rated battery capacity, 10*mAh or index");
-
-static unsigned int current_accum;
-module_param(current_accum, uint, 0644);
-MODULE_PARM_DESC(current_accum, "current accumulator value");
-
-/* Some batteries have their rated capacity stored a N * 10 mAh, while
- * others use an index into this table. */
-static int rated_capacities[] = {
- 0,
- 920, /* Samsung */
- 920, /* BYD */
- 920, /* Lishen */
- 920, /* NEC */
- 1440, /* Samsung */
- 1440, /* BYD */
-#ifdef CONFIG_MACH_H4700
- 1800, /* HP iPAQ hx4700 3.7V 1800mAh (359113-001) */
-#else
- 1440, /* Lishen */
-#endif
- 1440, /* NEC */
- 2880, /* Samsung */
- 2880, /* BYD */
- 2880, /* Lishen */
- 2880, /* NEC */
-#ifdef CONFIG_MACH_H4700
- 0,
- 3600, /* HP iPAQ hx4700 3.7V 3600mAh (359114-001) */
-#endif
-};
-
-/* array is level at temps 0°C, 10°C, 20°C, 30°C, 40°C
- * temp is in Celsius */
-static int battery_interpolate(int array[], int temp)
-{
- int index, dt;
-
- if (temp <= 0)
- return array[0];
- if (temp >= 40)
- return array[4];
-
- index = temp / 10;
- dt = temp % 10;
-
- return array[index] + (((array[index + 1] - array[index]) * dt) / 10);
-}
-
-static int ds2760_battery_read_status(struct ds2760_device_info *di)
-{
- int ret, i, start, count, scale[5];
-
- if (di->update_time && time_before(jiffies, di->update_time +
- msecs_to_jiffies(cache_time)))
- return 0;
-
- /* The first time we read the entire contents of SRAM/EEPROM,
- * but after that we just read the interesting bits that change. */
- if (di->update_time == 0) {
- start = 0;
- count = DS2760_DATA_SIZE;
- } else {
- start = DS2760_VOLTAGE_MSB;
- count = DS2760_TEMP_LSB - start + 1;
- }
-
- ret = w1_ds2760_read(di->w1_dev, di->raw + start, start, count);
- if (ret != count) {
- dev_warn(di->dev, "call to w1_ds2760_read failed (0x%p)\n",
- di->w1_dev);
- return 1;
- }
-
- di->update_time = jiffies;
-
- /* DS2760 reports voltage in units of 4.88mV, but the battery class
- * reports in units of uV, so convert by multiplying by 4880. */
- di->voltage_raw = (di->raw[DS2760_VOLTAGE_MSB] << 3) |
- (di->raw[DS2760_VOLTAGE_LSB] >> 5);
- di->voltage_uV = di->voltage_raw * 4880;
-
- /* DS2760 reports current in signed units of 0.625mA, but the battery
- * class reports in units of µA, so convert by multiplying by 625. */
- di->current_raw =
- (((signed char)di->raw[DS2760_CURRENT_MSB]) << 5) |
- (di->raw[DS2760_CURRENT_LSB] >> 3);
- di->current_uA = di->current_raw * 625;
-
- /* DS2760 reports accumulated current in signed units of 0.25mAh. */
- di->accum_current_raw =
- (((signed char)di->raw[DS2760_CURRENT_ACCUM_MSB]) << 8) |
- di->raw[DS2760_CURRENT_ACCUM_LSB];
- di->accum_current_uAh = di->accum_current_raw * 250;
-
- /* DS2760 reports temperature in signed units of 0.125°C, but the
- * battery class reports in units of 1/10 °C, so we convert by
- * multiplying by .125 * 10 = 1.25. */
- di->temp_raw = (((signed char)di->raw[DS2760_TEMP_MSB]) << 3) |
- (di->raw[DS2760_TEMP_LSB] >> 5);
- di->temp_C = di->temp_raw + (di->temp_raw / 4);
-
- /* At least some battery monitors (e.g. HP iPAQ) store the battery's
- * maximum rated capacity. */
- if (di->raw[DS2760_RATED_CAPACITY] < ARRAY_SIZE(rated_capacities))
- di->rated_capacity = rated_capacities[
- (unsigned int)di->raw[DS2760_RATED_CAPACITY]];
- else
- di->rated_capacity = di->raw[DS2760_RATED_CAPACITY] * 10;
-
- di->rated_capacity *= 1000; /* convert to µAh */
-
- /* Calculate the full level at the present temperature. */
- di->full_active_uAh = di->raw[DS2760_ACTIVE_FULL] << 8 |
- di->raw[DS2760_ACTIVE_FULL + 1];
-
- /* If the full_active_uAh value is not given, fall back to the rated
- * capacity. This is likely to happen when chips are not part of the
- * battery pack and is therefore not bootstrapped. */
- if (di->full_active_uAh == 0)
- di->full_active_uAh = di->rated_capacity / 1000L;
-
- scale[0] = di->full_active_uAh;
- for (i = 1; i < 5; i++)
- scale[i] = scale[i - 1] + di->raw[DS2760_ACTIVE_FULL + 1 + i];
-
- di->full_active_uAh = battery_interpolate(scale, di->temp_C / 10);
- di->full_active_uAh *= 1000; /* convert to µAh */
-
- /* Calculate the empty level at the present temperature. */
- scale[4] = di->raw[DS2760_ACTIVE_EMPTY + 4];
- for (i = 3; i >= 0; i--)
- scale[i] = scale[i + 1] + di->raw[DS2760_ACTIVE_EMPTY + i];
-
- di->empty_uAh = battery_interpolate(scale, di->temp_C / 10);
- di->empty_uAh *= 1000; /* convert to µAh */
-
- if (di->full_active_uAh == di->empty_uAh)
- di->rem_capacity = 0;
- else
- /* From Maxim Application Note 131: remaining capacity =
- * ((ICA - Empty Value) / (Full Value - Empty Value)) x 100% */
- di->rem_capacity = ((di->accum_current_uAh - di->empty_uAh) * 100L) /
- (di->full_active_uAh - di->empty_uAh);
-
- if (di->rem_capacity < 0)
- di->rem_capacity = 0;
- if (di->rem_capacity > 100)
- di->rem_capacity = 100;
-
- if (di->current_uA < -100L)
- di->life_sec = -((di->accum_current_uAh - di->empty_uAh) * 36L)
- / (di->current_uA / 100L);
- else
- di->life_sec = 0;
-
- return 0;
-}
-
-static void ds2760_battery_set_current_accum(struct ds2760_device_info *di,
- unsigned int acr_val)
-{
- unsigned char acr[2];
-
- /* acr is in units of 0.25 mAh */
- acr_val *= 4L;
- acr_val /= 1000;
-
- acr[0] = acr_val >> 8;
- acr[1] = acr_val & 0xff;
-
- if (w1_ds2760_write(di->w1_dev, acr, DS2760_CURRENT_ACCUM_MSB, 2) < 2)
- dev_warn(di->dev, "ACR write failed\n");
-}
-
-static void ds2760_battery_update_status(struct ds2760_device_info *di)
-{
- int old_charge_status = di->charge_status;
-
- ds2760_battery_read_status(di);
-
- if (di->charge_status == POWER_SUPPLY_STATUS_UNKNOWN)
- di->full_counter = 0;
-
- if (power_supply_am_i_supplied(di->bat)) {
- if (di->current_uA > 10000) {
- di->charge_status = POWER_SUPPLY_STATUS_CHARGING;
- di->full_counter = 0;
- } else if (di->current_uA < -5000) {
- if (di->charge_status != POWER_SUPPLY_STATUS_NOT_CHARGING)
- dev_notice(di->dev, "not enough power to "
- "charge\n");
- di->charge_status = POWER_SUPPLY_STATUS_NOT_CHARGING;
- di->full_counter = 0;
- } else if (di->current_uA < 10000 &&
- di->charge_status != POWER_SUPPLY_STATUS_FULL) {
-
- /* Don't consider the battery to be full unless
- * we've seen the current < 10 mA at least two
- * consecutive times. */
-
- di->full_counter++;
-
- if (di->full_counter < 2) {
- di->charge_status = POWER_SUPPLY_STATUS_CHARGING;
- } else {
- di->charge_status = POWER_SUPPLY_STATUS_FULL;
- ds2760_battery_set_current_accum(di,
- di->full_active_uAh);
- }
- }
- } else {
- di->charge_status = POWER_SUPPLY_STATUS_DISCHARGING;
- di->full_counter = 0;
- }
-
- if (di->charge_status != old_charge_status)
- power_supply_changed(di->bat);
-}
-
-static void ds2760_battery_write_status(struct ds2760_device_info *di,
- char status)
-{
- if (status == di->raw[DS2760_STATUS_REG])
- return;
-
- w1_ds2760_write(di->w1_dev, &status, DS2760_STATUS_WRITE_REG, 1);
- w1_ds2760_store_eeprom(di->w1_dev, DS2760_EEPROM_BLOCK1);
- w1_ds2760_recall_eeprom(di->w1_dev, DS2760_EEPROM_BLOCK1);
-}
-
-static void ds2760_battery_write_rated_capacity(struct ds2760_device_info *di,
- unsigned char rated_capacity)
-{
- if (rated_capacity == di->raw[DS2760_RATED_CAPACITY])
- return;
-
- w1_ds2760_write(di->w1_dev, &rated_capacity, DS2760_RATED_CAPACITY, 1);
- w1_ds2760_store_eeprom(di->w1_dev, DS2760_EEPROM_BLOCK1);
- w1_ds2760_recall_eeprom(di->w1_dev, DS2760_EEPROM_BLOCK1);
-}
-
-static void ds2760_battery_write_active_full(struct ds2760_device_info *di,
- int active_full)
-{
- unsigned char tmp[2] = {
- active_full >> 8,
- active_full & 0xff
- };
-
- if (tmp[0] == di->raw[DS2760_ACTIVE_FULL] &&
- tmp[1] == di->raw[DS2760_ACTIVE_FULL + 1])
- return;
-
- w1_ds2760_write(di->w1_dev, tmp, DS2760_ACTIVE_FULL, sizeof(tmp));
- w1_ds2760_store_eeprom(di->w1_dev, DS2760_EEPROM_BLOCK0);
- w1_ds2760_recall_eeprom(di->w1_dev, DS2760_EEPROM_BLOCK0);
-
- /* Write to the di->raw[] buffer directly - the DS2760_ACTIVE_FULL
- * values won't be read back by ds2760_battery_read_status() */
- di->raw[DS2760_ACTIVE_FULL] = tmp[0];
- di->raw[DS2760_ACTIVE_FULL + 1] = tmp[1];
-}
-
-static void ds2760_battery_work(struct work_struct *work)
-{
- struct ds2760_device_info *di = container_of(work,
- struct ds2760_device_info, monitor_work.work);
- const int interval = HZ * 60;
-
- dev_dbg(di->dev, "%s\n", __func__);
-
- ds2760_battery_update_status(di);
- queue_delayed_work(di->monitor_wqueue, &di->monitor_work, interval);
-}
-
-static void ds2760_battery_external_power_changed(struct power_supply *psy)
-{
- struct ds2760_device_info *di = power_supply_get_drvdata(psy);
-
- dev_dbg(di->dev, "%s\n", __func__);
-
- mod_delayed_work(di->monitor_wqueue, &di->monitor_work, HZ/10);
-}
-
-
-static void ds2760_battery_set_charged_work(struct work_struct *work)
-{
- char bias;
- struct ds2760_device_info *di = container_of(work,
- struct ds2760_device_info, set_charged_work.work);
-
- dev_dbg(di->dev, "%s\n", __func__);
-
- ds2760_battery_read_status(di);
-
- /* When we get notified by external circuitry that the battery is
- * considered fully charged now, we know that there is no current
- * flow any more. However, the ds2760's internal current meter is
- * too inaccurate to rely on - spec say something ~15% failure.
- * Hence, we use the current offset bias register to compensate
- * that error.
- */
-
- if (!power_supply_am_i_supplied(di->bat))
- return;
-
- bias = (signed char) di->current_raw +
- (signed char) di->raw[DS2760_CURRENT_OFFSET_BIAS];
-
- dev_dbg(di->dev, "%s: bias = %d\n", __func__, bias);
-
- w1_ds2760_write(di->w1_dev, &bias, DS2760_CURRENT_OFFSET_BIAS, 1);
- w1_ds2760_store_eeprom(di->w1_dev, DS2760_EEPROM_BLOCK1);
- w1_ds2760_recall_eeprom(di->w1_dev, DS2760_EEPROM_BLOCK1);
-
- /* Write to the di->raw[] buffer directly - the CURRENT_OFFSET_BIAS
- * value won't be read back by ds2760_battery_read_status() */
- di->raw[DS2760_CURRENT_OFFSET_BIAS] = bias;
-}
-
-static void ds2760_battery_set_charged(struct power_supply *psy)
-{
- struct ds2760_device_info *di = power_supply_get_drvdata(psy);
-
- /* postpone the actual work by 20 secs. This is for debouncing GPIO
- * signals and to let the current value settle. See AN4188. */
- mod_delayed_work(di->monitor_wqueue, &di->set_charged_work, HZ * 20);
-}
-
-static int ds2760_battery_get_property(struct power_supply *psy,
- enum power_supply_property psp,
- union power_supply_propval *val)
-{
- struct ds2760_device_info *di = power_supply_get_drvdata(psy);
-
- switch (psp) {
- case POWER_SUPPLY_PROP_STATUS:
- val->intval = di->charge_status;
- return 0;
- default:
- break;
- }
-
- ds2760_battery_read_status(di);
-
- switch (psp) {
- case POWER_SUPPLY_PROP_VOLTAGE_NOW:
- val->intval = di->voltage_uV;
- break;
- case POWER_SUPPLY_PROP_CURRENT_NOW:
- val->intval = di->current_uA;
- break;
- case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN:
- val->intval = di->rated_capacity;
- break;
- case POWER_SUPPLY_PROP_CHARGE_FULL:
- val->intval = di->full_active_uAh;
- break;
- case POWER_SUPPLY_PROP_CHARGE_EMPTY:
- val->intval = di->empty_uAh;
- break;
- case POWER_SUPPLY_PROP_CHARGE_NOW:
- val->intval = di->accum_current_uAh;
- break;
- case POWER_SUPPLY_PROP_TEMP:
- val->intval = di->temp_C;
- break;
- case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW:
- val->intval = di->life_sec;
- break;
- case POWER_SUPPLY_PROP_CAPACITY:
- val->intval = di->rem_capacity;
- break;
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-static int ds2760_battery_set_property(struct power_supply *psy,
- enum power_supply_property psp,
- const union power_supply_propval *val)
-{
- struct ds2760_device_info *di = power_supply_get_drvdata(psy);
-
- switch (psp) {
- case POWER_SUPPLY_PROP_CHARGE_FULL:
- /* the interface counts in uAh, convert the value */
- ds2760_battery_write_active_full(di, val->intval / 1000L);
- break;
-
- case POWER_SUPPLY_PROP_CHARGE_NOW:
- /* ds2760_battery_set_current_accum() does the conversion */
- ds2760_battery_set_current_accum(di, val->intval);
- break;
-
- default:
- return -EPERM;
- }
-
- return 0;
-}
-
-static int ds2760_battery_property_is_writeable(struct power_supply *psy,
- enum power_supply_property psp)
-{
- switch (psp) {
- case POWER_SUPPLY_PROP_CHARGE_FULL:
- case POWER_SUPPLY_PROP_CHARGE_NOW:
- return 1;
-
- default:
- break;
- }
-
- return 0;
-}
-
-static enum power_supply_property ds2760_battery_props[] = {
- POWER_SUPPLY_PROP_STATUS,
- POWER_SUPPLY_PROP_VOLTAGE_NOW,
- POWER_SUPPLY_PROP_CURRENT_NOW,
- POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
- POWER_SUPPLY_PROP_CHARGE_FULL,
- POWER_SUPPLY_PROP_CHARGE_EMPTY,
- POWER_SUPPLY_PROP_CHARGE_NOW,
- POWER_SUPPLY_PROP_TEMP,
- POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW,
- POWER_SUPPLY_PROP_CAPACITY,
-};
-
-static int ds2760_battery_probe(struct platform_device *pdev)
-{
- struct power_supply_config psy_cfg = {};
- char status;
- int retval = 0;
- struct ds2760_device_info *di;
-
- di = devm_kzalloc(&pdev->dev, sizeof(*di), GFP_KERNEL);
- if (!di) {
- retval = -ENOMEM;
- goto di_alloc_failed;
- }
-
- platform_set_drvdata(pdev, di);
-
- di->dev = &pdev->dev;
- di->w1_dev = pdev->dev.parent;
- di->bat_desc.name = dev_name(&pdev->dev);
- di->bat_desc.type = POWER_SUPPLY_TYPE_BATTERY;
- di->bat_desc.properties = ds2760_battery_props;
- di->bat_desc.num_properties = ARRAY_SIZE(ds2760_battery_props);
- di->bat_desc.get_property = ds2760_battery_get_property;
- di->bat_desc.set_property = ds2760_battery_set_property;
- di->bat_desc.property_is_writeable =
- ds2760_battery_property_is_writeable;
- di->bat_desc.set_charged = ds2760_battery_set_charged;
- di->bat_desc.external_power_changed =
- ds2760_battery_external_power_changed;
-
- psy_cfg.drv_data = di;
-
- di->charge_status = POWER_SUPPLY_STATUS_UNKNOWN;
-
- /* enable sleep mode feature */
- ds2760_battery_read_status(di);
- status = di->raw[DS2760_STATUS_REG];
- if (pmod_enabled)
- status |= DS2760_STATUS_PMOD;
- else
- status &= ~DS2760_STATUS_PMOD;
-
- ds2760_battery_write_status(di, status);
-
- /* set rated capacity from module param */
- if (rated_capacity)
- ds2760_battery_write_rated_capacity(di, rated_capacity);
-
- /* set current accumulator if given as parameter.
- * this should only be done for bootstrapping the value */
- if (current_accum)
- ds2760_battery_set_current_accum(di, current_accum);
-
- di->bat = power_supply_register(&pdev->dev, &di->bat_desc, &psy_cfg);
- if (IS_ERR(di->bat)) {
- dev_err(di->dev, "failed to register battery\n");
- retval = PTR_ERR(di->bat);
- goto batt_failed;
- }
-
- INIT_DELAYED_WORK(&di->monitor_work, ds2760_battery_work);
- INIT_DELAYED_WORK(&di->set_charged_work,
- ds2760_battery_set_charged_work);
- di->monitor_wqueue = create_singlethread_workqueue(dev_name(&pdev->dev));
- if (!di->monitor_wqueue) {
- retval = -ESRCH;
- goto workqueue_failed;
- }
- queue_delayed_work(di->monitor_wqueue, &di->monitor_work, HZ * 1);
-
- goto success;
-
-workqueue_failed:
- power_supply_unregister(di->bat);
-batt_failed:
-di_alloc_failed:
-success:
- return retval;
-}
-
-static int ds2760_battery_remove(struct platform_device *pdev)
-{
- struct ds2760_device_info *di = platform_get_drvdata(pdev);
-
- cancel_delayed_work_sync(&di->monitor_work);
- cancel_delayed_work_sync(&di->set_charged_work);
- destroy_workqueue(di->monitor_wqueue);
- power_supply_unregister(di->bat);
-
- return 0;
-}
-
-#ifdef CONFIG_PM
-
-static int ds2760_battery_suspend(struct platform_device *pdev,
- pm_message_t state)
-{
- struct ds2760_device_info *di = platform_get_drvdata(pdev);
-
- di->charge_status = POWER_SUPPLY_STATUS_UNKNOWN;
-
- return 0;
-}
-
-static int ds2760_battery_resume(struct platform_device *pdev)
-{
- struct ds2760_device_info *di = platform_get_drvdata(pdev);
-
- di->charge_status = POWER_SUPPLY_STATUS_UNKNOWN;
- power_supply_changed(di->bat);
-
- mod_delayed_work(di->monitor_wqueue, &di->monitor_work, HZ);
-
- return 0;
-}
-
-#else
-
-#define ds2760_battery_suspend NULL
-#define ds2760_battery_resume NULL
-
-#endif /* CONFIG_PM */
-
-MODULE_ALIAS("platform:ds2760-battery");
-
-static struct platform_driver ds2760_battery_driver = {
- .driver = {
- .name = "ds2760-battery",
- },
- .probe = ds2760_battery_probe,
- .remove = ds2760_battery_remove,
- .suspend = ds2760_battery_suspend,
- .resume = ds2760_battery_resume,
-};
-
-module_platform_driver(ds2760_battery_driver);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Szabolcs Gyurko <szabolcs.gyurko@tlt.hu>, "
- "Matt Reimer <mreimer@vpop.net>, "
- "Anton Vorontsov <cbou@mail.ru>");
-MODULE_DESCRIPTION("ds2760 battery driver");