Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Alexey Y. Starikovskiy | 2035 | 60.35% | 9 | 21.95% |
Rich Townsend | 572 | 16.96% | 1 | 2.44% |
Lan Tianyu | 186 | 5.52% | 3 | 7.32% |
Vladimir Lebedev | 174 | 5.16% | 3 | 7.32% |
Krzysztof Kozlowski | 136 | 4.03% | 2 | 4.88% |
Matthew Garrett | 80 | 2.37% | 2 | 4.88% |
Jeff Garzik | 49 | 1.45% | 1 | 2.44% |
Hanjun Guo | 41 | 1.22% | 2 | 4.88% |
Rafael J. Wysocki | 30 | 0.89% | 3 | 7.32% |
Thomas Renninger | 27 | 0.80% | 1 | 2.44% |
Len Brown | 11 | 0.33% | 1 | 2.44% |
Shuah Khan | 6 | 0.18% | 1 | 2.44% |
Ronald Tschalär | 5 | 0.15% | 1 | 2.44% |
Tejun Heo | 3 | 0.09% | 1 | 2.44% |
Denis V. Lunev | 3 | 0.09% | 1 | 2.44% |
Alexander Mezin | 2 | 0.06% | 1 | 2.44% |
Pavel Machek | 2 | 0.06% | 1 | 2.44% |
Thomas Gleixner | 2 | 0.06% | 1 | 2.44% |
Lukas Wunner | 2 | 0.06% | 1 | 2.44% |
Ognjen Galic | 2 | 0.06% | 1 | 2.44% |
Bhumika Goyal | 1 | 0.03% | 1 | 2.44% |
Luis Gonzalez Fernandez | 1 | 0.03% | 1 | 2.44% |
Adrian Bunk | 1 | 0.03% | 1 | 2.44% |
Chris Bainbridge | 1 | 0.03% | 1 | 2.44% |
Total | 3372 | 41 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * sbs.c - ACPI Smart Battery System Driver ($Revision: 2.0 $) * * Copyright (c) 2007 Alexey Starikovskiy <astarikovskiy@suse.de> * Copyright (c) 2005-2007 Vladimir Lebedev <vladimir.p.lebedev@intel.com> * Copyright (c) 2005 Rich Townsend <rhdt@bartol.udel.edu> */ #define pr_fmt(fmt) "ACPI: " fmt #include <linux/init.h> #include <linux/slab.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/kernel.h> #include <linux/acpi.h> #include <linux/timer.h> #include <linux/jiffies.h> #include <linux/delay.h> #include <linux/power_supply.h> #include <linux/platform_data/x86/apple.h> #include <acpi/battery.h> #include "sbshc.h" #define ACPI_SBS_CLASS "sbs" #define ACPI_AC_CLASS "ac_adapter" #define ACPI_SBS_DEVICE_NAME "Smart Battery System" #define ACPI_BATTERY_DIR_NAME "BAT%i" #define ACPI_AC_DIR_NAME "AC0" #define ACPI_SBS_NOTIFY_STATUS 0x80 #define ACPI_SBS_NOTIFY_INFO 0x81 MODULE_AUTHOR("Alexey Starikovskiy <astarikovskiy@suse.de>"); MODULE_DESCRIPTION("Smart Battery System ACPI interface driver"); MODULE_LICENSE("GPL"); static unsigned int cache_time = 1000; module_param(cache_time, uint, 0644); MODULE_PARM_DESC(cache_time, "cache time in milliseconds"); #define MAX_SBS_BAT 4 #define ACPI_SBS_BLOCK_MAX 32 static const struct acpi_device_id sbs_device_ids[] = { {"ACPI0002", 0}, {"", 0}, }; MODULE_DEVICE_TABLE(acpi, sbs_device_ids); struct acpi_battery { struct power_supply *bat; struct power_supply_desc bat_desc; struct acpi_sbs *sbs; unsigned long update_time; char name[8]; char manufacturer_name[ACPI_SBS_BLOCK_MAX]; char device_name[ACPI_SBS_BLOCK_MAX]; char device_chemistry[ACPI_SBS_BLOCK_MAX]; u16 alarm_capacity; u16 full_charge_capacity; u16 design_capacity; u16 design_voltage; u16 serial_number; u16 cycle_count; u16 temp_now; u16 voltage_now; s16 rate_now; s16 rate_avg; u16 capacity_now; u16 state_of_charge; u16 state; u16 mode; u16 spec; u8 id; u8 present:1; u8 have_sysfs_alarm:1; }; #define to_acpi_battery(x) power_supply_get_drvdata(x) struct acpi_sbs { struct power_supply *charger; struct acpi_device *device; struct acpi_smb_hc *hc; struct mutex lock; struct acpi_battery battery[MAX_SBS_BAT]; u8 batteries_supported:4; u8 manager_present:1; u8 charger_present:1; u8 charger_exists:1; }; #define to_acpi_sbs(x) power_supply_get_drvdata(x) static int acpi_sbs_remove(struct acpi_device *device); static int acpi_battery_get_state(struct acpi_battery *battery); static inline int battery_scale(int log) { int scale = 1; while (log--) scale *= 10; return scale; } static inline int acpi_battery_vscale(struct acpi_battery *battery) { return battery_scale((battery->spec & 0x0f00) >> 8); } static inline int acpi_battery_ipscale(struct acpi_battery *battery) { return battery_scale((battery->spec & 0xf000) >> 12); } static inline int acpi_battery_mode(struct acpi_battery *battery) { return (battery->mode & 0x8000); } static inline int acpi_battery_scale(struct acpi_battery *battery) { return (acpi_battery_mode(battery) ? 10 : 1) * acpi_battery_ipscale(battery); } static int sbs_get_ac_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) { struct acpi_sbs *sbs = to_acpi_sbs(psy); switch (psp) { case POWER_SUPPLY_PROP_ONLINE: val->intval = sbs->charger_present; break; default: return -EINVAL; } return 0; } static int acpi_battery_technology(struct acpi_battery *battery) { if (!strcasecmp("NiCd", battery->device_chemistry)) return POWER_SUPPLY_TECHNOLOGY_NiCd; if (!strcasecmp("NiMH", battery->device_chemistry)) return POWER_SUPPLY_TECHNOLOGY_NiMH; if (!strcasecmp("LION", battery->device_chemistry)) return POWER_SUPPLY_TECHNOLOGY_LION; if (!strcasecmp("LiP", battery->device_chemistry)) return POWER_SUPPLY_TECHNOLOGY_LIPO; return POWER_SUPPLY_TECHNOLOGY_UNKNOWN; } static int acpi_sbs_battery_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) { struct acpi_battery *battery = to_acpi_battery(psy); if ((!battery->present) && psp != POWER_SUPPLY_PROP_PRESENT) return -ENODEV; acpi_battery_get_state(battery); switch (psp) { case POWER_SUPPLY_PROP_STATUS: if (battery->rate_now < 0) val->intval = POWER_SUPPLY_STATUS_DISCHARGING; else if (battery->rate_now > 0) val->intval = POWER_SUPPLY_STATUS_CHARGING; else val->intval = POWER_SUPPLY_STATUS_FULL; break; case POWER_SUPPLY_PROP_PRESENT: val->intval = battery->present; break; case POWER_SUPPLY_PROP_TECHNOLOGY: val->intval = acpi_battery_technology(battery); break; case POWER_SUPPLY_PROP_CYCLE_COUNT: val->intval = battery->cycle_count; break; case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN: val->intval = battery->design_voltage * acpi_battery_vscale(battery) * 1000; break; case POWER_SUPPLY_PROP_VOLTAGE_NOW: val->intval = battery->voltage_now * acpi_battery_vscale(battery) * 1000; break; case POWER_SUPPLY_PROP_CURRENT_NOW: case POWER_SUPPLY_PROP_POWER_NOW: val->intval = abs(battery->rate_now) * acpi_battery_ipscale(battery) * 1000; val->intval *= (acpi_battery_mode(battery)) ? (battery->voltage_now * acpi_battery_vscale(battery) / 1000) : 1; break; case POWER_SUPPLY_PROP_CURRENT_AVG: case POWER_SUPPLY_PROP_POWER_AVG: val->intval = abs(battery->rate_avg) * acpi_battery_ipscale(battery) * 1000; val->intval *= (acpi_battery_mode(battery)) ? (battery->voltage_now * acpi_battery_vscale(battery) / 1000) : 1; break; case POWER_SUPPLY_PROP_CAPACITY: val->intval = battery->state_of_charge; break; case POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN: case POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN: val->intval = battery->design_capacity * acpi_battery_scale(battery) * 1000; break; case POWER_SUPPLY_PROP_CHARGE_FULL: case POWER_SUPPLY_PROP_ENERGY_FULL: val->intval = battery->full_charge_capacity * acpi_battery_scale(battery) * 1000; break; case POWER_SUPPLY_PROP_CHARGE_NOW: case POWER_SUPPLY_PROP_ENERGY_NOW: val->intval = battery->capacity_now * acpi_battery_scale(battery) * 1000; break; case POWER_SUPPLY_PROP_TEMP: val->intval = battery->temp_now - 2730; // dK -> dC break; case POWER_SUPPLY_PROP_MODEL_NAME: val->strval = battery->device_name; break; case POWER_SUPPLY_PROP_MANUFACTURER: val->strval = battery->manufacturer_name; break; default: return -EINVAL; } return 0; } static enum power_supply_property sbs_ac_props[] = { POWER_SUPPLY_PROP_ONLINE, }; static enum power_supply_property sbs_charge_battery_props[] = { POWER_SUPPLY_PROP_STATUS, POWER_SUPPLY_PROP_PRESENT, POWER_SUPPLY_PROP_TECHNOLOGY, POWER_SUPPLY_PROP_CYCLE_COUNT, POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, POWER_SUPPLY_PROP_VOLTAGE_NOW, POWER_SUPPLY_PROP_CURRENT_NOW, POWER_SUPPLY_PROP_CURRENT_AVG, POWER_SUPPLY_PROP_CAPACITY, POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN, POWER_SUPPLY_PROP_CHARGE_FULL, POWER_SUPPLY_PROP_CHARGE_NOW, POWER_SUPPLY_PROP_TEMP, POWER_SUPPLY_PROP_MODEL_NAME, POWER_SUPPLY_PROP_MANUFACTURER, }; static enum power_supply_property sbs_energy_battery_props[] = { POWER_SUPPLY_PROP_STATUS, POWER_SUPPLY_PROP_PRESENT, POWER_SUPPLY_PROP_TECHNOLOGY, POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN, POWER_SUPPLY_PROP_VOLTAGE_NOW, POWER_SUPPLY_PROP_CURRENT_NOW, POWER_SUPPLY_PROP_CURRENT_AVG, POWER_SUPPLY_PROP_POWER_NOW, POWER_SUPPLY_PROP_POWER_AVG, POWER_SUPPLY_PROP_CAPACITY, POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN, POWER_SUPPLY_PROP_ENERGY_FULL, POWER_SUPPLY_PROP_ENERGY_NOW, POWER_SUPPLY_PROP_TEMP, POWER_SUPPLY_PROP_MODEL_NAME, POWER_SUPPLY_PROP_MANUFACTURER, }; static const struct power_supply_desc acpi_sbs_charger_desc = { .name = "sbs-charger", .type = POWER_SUPPLY_TYPE_MAINS, .properties = sbs_ac_props, .num_properties = ARRAY_SIZE(sbs_ac_props), .get_property = sbs_get_ac_property, }; /* -------------------------------------------------------------------------- Smart Battery System Management -------------------------------------------------------------------------- */ struct acpi_battery_reader { u8 command; /* command for battery */ u8 mode; /* word or block? */ size_t offset; /* offset inside struct acpi_sbs_battery */ }; static struct acpi_battery_reader info_readers[] = { {0x01, SMBUS_READ_WORD, offsetof(struct acpi_battery, alarm_capacity)}, {0x03, SMBUS_READ_WORD, offsetof(struct acpi_battery, mode)}, {0x10, SMBUS_READ_WORD, offsetof(struct acpi_battery, full_charge_capacity)}, {0x17, SMBUS_READ_WORD, offsetof(struct acpi_battery, cycle_count)}, {0x18, SMBUS_READ_WORD, offsetof(struct acpi_battery, design_capacity)}, {0x19, SMBUS_READ_WORD, offsetof(struct acpi_battery, design_voltage)}, {0x1a, SMBUS_READ_WORD, offsetof(struct acpi_battery, spec)}, {0x1c, SMBUS_READ_WORD, offsetof(struct acpi_battery, serial_number)}, {0x20, SMBUS_READ_BLOCK, offsetof(struct acpi_battery, manufacturer_name)}, {0x21, SMBUS_READ_BLOCK, offsetof(struct acpi_battery, device_name)}, {0x22, SMBUS_READ_BLOCK, offsetof(struct acpi_battery, device_chemistry)}, }; static struct acpi_battery_reader state_readers[] = { {0x08, SMBUS_READ_WORD, offsetof(struct acpi_battery, temp_now)}, {0x09, SMBUS_READ_WORD, offsetof(struct acpi_battery, voltage_now)}, {0x0a, SMBUS_READ_WORD, offsetof(struct acpi_battery, rate_now)}, {0x0b, SMBUS_READ_WORD, offsetof(struct acpi_battery, rate_avg)}, {0x0f, SMBUS_READ_WORD, offsetof(struct acpi_battery, capacity_now)}, {0x0e, SMBUS_READ_WORD, offsetof(struct acpi_battery, state_of_charge)}, {0x16, SMBUS_READ_WORD, offsetof(struct acpi_battery, state)}, }; static int acpi_manager_get_info(struct acpi_sbs *sbs) { int result = 0; u16 battery_system_info; result = acpi_smbus_read(sbs->hc, SMBUS_READ_WORD, ACPI_SBS_MANAGER, 0x04, (u8 *)&battery_system_info); if (!result) sbs->batteries_supported = battery_system_info & 0x000f; return result; } static int acpi_battery_get_info(struct acpi_battery *battery) { int i, result = 0; for (i = 0; i < ARRAY_SIZE(info_readers); ++i) { result = acpi_smbus_read(battery->sbs->hc, info_readers[i].mode, ACPI_SBS_BATTERY, info_readers[i].command, (u8 *) battery + info_readers[i].offset); if (result) break; } return result; } static int acpi_battery_get_state(struct acpi_battery *battery) { int i, result = 0; if (battery->update_time && time_before(jiffies, battery->update_time + msecs_to_jiffies(cache_time))) return 0; for (i = 0; i < ARRAY_SIZE(state_readers); ++i) { result = acpi_smbus_read(battery->sbs->hc, state_readers[i].mode, ACPI_SBS_BATTERY, state_readers[i].command, (u8 *)battery + state_readers[i].offset); if (result) goto end; } end: battery->update_time = jiffies; return result; } static int acpi_battery_get_alarm(struct acpi_battery *battery) { return acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, ACPI_SBS_BATTERY, 0x01, (u8 *)&battery->alarm_capacity); } static int acpi_battery_set_alarm(struct acpi_battery *battery) { struct acpi_sbs *sbs = battery->sbs; u16 value, sel = 1 << (battery->id + 12); int ret; if (sbs->manager_present) { ret = acpi_smbus_read(sbs->hc, SMBUS_READ_WORD, ACPI_SBS_MANAGER, 0x01, (u8 *)&value); if (ret) goto end; if ((value & 0xf000) != sel) { value &= 0x0fff; value |= sel; ret = acpi_smbus_write(sbs->hc, SMBUS_WRITE_WORD, ACPI_SBS_MANAGER, 0x01, (u8 *)&value, 2); if (ret) goto end; } } ret = acpi_smbus_write(sbs->hc, SMBUS_WRITE_WORD, ACPI_SBS_BATTERY, 0x01, (u8 *)&battery->alarm_capacity, 2); end: return ret; } static int acpi_ac_get_present(struct acpi_sbs *sbs) { int result; u16 status; result = acpi_smbus_read(sbs->hc, SMBUS_READ_WORD, ACPI_SBS_CHARGER, 0x13, (u8 *) & status); if (result) return result; /* * The spec requires that bit 4 always be 1. If it's not set, assume * that the implementation doesn't support an SBS charger. * * And on some MacBooks a status of 0xffff is always returned, no * matter whether the charger is plugged in or not, which is also * wrong, so ignore the SBS charger for those too. */ if (!((status >> 4) & 0x1) || status == 0xffff) return -ENODEV; sbs->charger_present = (status >> 15) & 0x1; return 0; } static ssize_t acpi_battery_alarm_show(struct device *dev, struct device_attribute *attr, char *buf) { struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev)); acpi_battery_get_alarm(battery); return sprintf(buf, "%d\n", battery->alarm_capacity * acpi_battery_scale(battery) * 1000); } static ssize_t acpi_battery_alarm_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { unsigned long x; struct acpi_battery *battery = to_acpi_battery(dev_get_drvdata(dev)); if (sscanf(buf, "%lu\n", &x) == 1) battery->alarm_capacity = x / (1000 * acpi_battery_scale(battery)); if (battery->present) acpi_battery_set_alarm(battery); return count; } static const struct device_attribute alarm_attr = { .attr = {.name = "alarm", .mode = 0644}, .show = acpi_battery_alarm_show, .store = acpi_battery_alarm_store, }; /* -------------------------------------------------------------------------- Driver Interface -------------------------------------------------------------------------- */ static int acpi_battery_read(struct acpi_battery *battery) { int result = 0, saved_present = battery->present; u16 state; if (battery->sbs->manager_present) { result = acpi_smbus_read(battery->sbs->hc, SMBUS_READ_WORD, ACPI_SBS_MANAGER, 0x01, (u8 *)&state); if (!result) battery->present = state & (1 << battery->id); state &= 0x0fff; state |= 1 << (battery->id + 12); acpi_smbus_write(battery->sbs->hc, SMBUS_WRITE_WORD, ACPI_SBS_MANAGER, 0x01, (u8 *)&state, 2); } else if (battery->id == 0) battery->present = 1; if (result || !battery->present) return result; if (saved_present != battery->present) { battery->update_time = 0; result = acpi_battery_get_info(battery); if (result) { battery->present = 0; return result; } } result = acpi_battery_get_state(battery); if (result) battery->present = 0; return result; } /* Smart Battery */ static int acpi_battery_add(struct acpi_sbs *sbs, int id) { struct acpi_battery *battery = &sbs->battery[id]; struct power_supply_config psy_cfg = { .drv_data = battery, }; int result; battery->id = id; battery->sbs = sbs; result = acpi_battery_read(battery); if (result) return result; sprintf(battery->name, ACPI_BATTERY_DIR_NAME, id); battery->bat_desc.name = battery->name; battery->bat_desc.type = POWER_SUPPLY_TYPE_BATTERY; if (!acpi_battery_mode(battery)) { battery->bat_desc.properties = sbs_charge_battery_props; battery->bat_desc.num_properties = ARRAY_SIZE(sbs_charge_battery_props); } else { battery->bat_desc.properties = sbs_energy_battery_props; battery->bat_desc.num_properties = ARRAY_SIZE(sbs_energy_battery_props); } battery->bat_desc.get_property = acpi_sbs_battery_get_property; battery->bat = power_supply_register(&sbs->device->dev, &battery->bat_desc, &psy_cfg); if (IS_ERR(battery->bat)) { result = PTR_ERR(battery->bat); battery->bat = NULL; goto end; } result = device_create_file(&battery->bat->dev, &alarm_attr); if (result) goto end; battery->have_sysfs_alarm = 1; end: pr_info("%s [%s]: Battery Slot [%s] (battery %s)\n", ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device), battery->name, battery->present ? "present" : "absent"); return result; } static void acpi_battery_remove(struct acpi_sbs *sbs, int id) { struct acpi_battery *battery = &sbs->battery[id]; if (battery->bat) { if (battery->have_sysfs_alarm) device_remove_file(&battery->bat->dev, &alarm_attr); power_supply_unregister(battery->bat); } } static int acpi_charger_add(struct acpi_sbs *sbs) { int result; struct power_supply_config psy_cfg = { .drv_data = sbs, }; result = acpi_ac_get_present(sbs); if (result) goto end; sbs->charger_exists = 1; sbs->charger = power_supply_register(&sbs->device->dev, &acpi_sbs_charger_desc, &psy_cfg); if (IS_ERR(sbs->charger)) { result = PTR_ERR(sbs->charger); sbs->charger = NULL; } pr_info("%s [%s]: AC Adapter [%s] (%s)\n", ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device), ACPI_AC_DIR_NAME, sbs->charger_present ? "on-line" : "off-line"); end: return result; } static void acpi_charger_remove(struct acpi_sbs *sbs) { if (sbs->charger) power_supply_unregister(sbs->charger); } static void acpi_sbs_callback(void *context) { int id; struct acpi_sbs *sbs = context; struct acpi_battery *bat; u8 saved_charger_state = sbs->charger_present; u8 saved_battery_state; if (sbs->charger_exists) { acpi_ac_get_present(sbs); if (sbs->charger_present != saved_charger_state) kobject_uevent(&sbs->charger->dev.kobj, KOBJ_CHANGE); } if (sbs->manager_present) { for (id = 0; id < MAX_SBS_BAT; ++id) { if (!(sbs->batteries_supported & (1 << id))) continue; bat = &sbs->battery[id]; saved_battery_state = bat->present; acpi_battery_read(bat); if (saved_battery_state == bat->present) continue; kobject_uevent(&bat->bat->dev.kobj, KOBJ_CHANGE); } } } static int acpi_sbs_add(struct acpi_device *device) { struct acpi_sbs *sbs; int result = 0; int id; sbs = kzalloc(sizeof(struct acpi_sbs), GFP_KERNEL); if (!sbs) { result = -ENOMEM; goto end; } mutex_init(&sbs->lock); sbs->hc = acpi_driver_data(device->parent); sbs->device = device; strcpy(acpi_device_name(device), ACPI_SBS_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_SBS_CLASS); device->driver_data = sbs; result = acpi_charger_add(sbs); if (result && result != -ENODEV) goto end; result = 0; if (!x86_apple_machine) { result = acpi_manager_get_info(sbs); if (!result) { sbs->manager_present = 1; for (id = 0; id < MAX_SBS_BAT; ++id) if ((sbs->batteries_supported & (1 << id))) acpi_battery_add(sbs, id); } } if (!sbs->manager_present) acpi_battery_add(sbs, 0); acpi_smbus_register_callback(sbs->hc, acpi_sbs_callback, sbs); end: if (result) acpi_sbs_remove(device); return result; } static int acpi_sbs_remove(struct acpi_device *device) { struct acpi_sbs *sbs; int id; if (!device) return -EINVAL; sbs = acpi_driver_data(device); if (!sbs) return -EINVAL; mutex_lock(&sbs->lock); acpi_smbus_unregister_callback(sbs->hc); for (id = 0; id < MAX_SBS_BAT; ++id) acpi_battery_remove(sbs, id); acpi_charger_remove(sbs); mutex_unlock(&sbs->lock); mutex_destroy(&sbs->lock); kfree(sbs); return 0; } #ifdef CONFIG_PM_SLEEP static int acpi_sbs_resume(struct device *dev) { struct acpi_sbs *sbs; if (!dev) return -EINVAL; sbs = to_acpi_device(dev)->driver_data; acpi_sbs_callback(sbs); return 0; } #else #define acpi_sbs_resume NULL #endif static SIMPLE_DEV_PM_OPS(acpi_sbs_pm, NULL, acpi_sbs_resume); static struct acpi_driver acpi_sbs_driver = { .name = "sbs", .class = ACPI_SBS_CLASS, .ids = sbs_device_ids, .ops = { .add = acpi_sbs_add, .remove = acpi_sbs_remove, }, .drv.pm = &acpi_sbs_pm, }; module_acpi_driver(acpi_sbs_driver);
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