aboutsummaryrefslogtreecommitdiffstats
path: root/packages/kexecboot/linux-kexecboot-2.6.24/tosa/0060-Add-support-for-power_supply-on-tosa.patch
diff options
context:
space:
mode:
Diffstat (limited to 'packages/kexecboot/linux-kexecboot-2.6.24/tosa/0060-Add-support-for-power_supply-on-tosa.patch')
-rw-r--r--packages/kexecboot/linux-kexecboot-2.6.24/tosa/0060-Add-support-for-power_supply-on-tosa.patch623
1 files changed, 623 insertions, 0 deletions
diff --git a/packages/kexecboot/linux-kexecboot-2.6.24/tosa/0060-Add-support-for-power_supply-on-tosa.patch b/packages/kexecboot/linux-kexecboot-2.6.24/tosa/0060-Add-support-for-power_supply-on-tosa.patch
new file mode 100644
index 0000000000..f7420de040
--- /dev/null
+++ b/packages/kexecboot/linux-kexecboot-2.6.24/tosa/0060-Add-support-for-power_supply-on-tosa.patch
@@ -0,0 +1,623 @@
+From f6ec15733eb55e851c8ad19c2143d425558f6044 Mon Sep 17 00:00:00 2001
+From: Dmitry Baryshkov <dbaryshkov@gmail.com>
+Date: Mon, 4 Feb 2008 20:11:58 +0300
+Subject: [PATCH 60/64] Add support for power_supply on tosa
+
+Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
+---
+ arch/arm/mach-pxa/Makefile | 2 +-
+ arch/arm/mach-pxa/tosa_power.c | 82 +++++++
+ drivers/leds/leds-tosa.c | 2 +-
+ drivers/power/Kconfig | 7 +
+ drivers/power/Makefile | 1 +
+ drivers/power/tosa_battery.c | 458 ++++++++++++++++++++++++++++++++++++++++
+ 6 files changed, 550 insertions(+), 2 deletions(-)
+ create mode 100644 arch/arm/mach-pxa/tosa_power.c
+ create mode 100644 drivers/power/tosa_battery.c
+
+diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
+index f276d24..2b68254 100644
+--- a/arch/arm/mach-pxa/Makefile
++++ b/arch/arm/mach-pxa/Makefile
+@@ -21,7 +21,7 @@ obj-$(CONFIG_PXA_SHARP_C7xx) += corgi.o corgi_ssp.o corgi_lcd.o sharpsl_pm.o cor
+ obj-$(CONFIG_PXA_SHARP_Cxx00) += spitz.o corgi_ssp.o corgi_lcd.o sharpsl_pm.o spitz_pm.o
+ obj-$(CONFIG_MACH_AKITA) += akita-ioexp.o
+ obj-$(CONFIG_MACH_POODLE) += poodle.o corgi_ssp.o sharpsl_pm.o poodle_pm.o
+-obj-$(CONFIG_MACH_TOSA) += tosa.o
++obj-$(CONFIG_MACH_TOSA) += tosa.o tosa_power.o
+ obj-$(CONFIG_MACH_EM_X270) += em-x270.o
+
+ ifeq ($(CONFIG_MACH_ZYLONITE),y)
+diff --git a/arch/arm/mach-pxa/tosa_power.c b/arch/arm/mach-pxa/tosa_power.c
+new file mode 100644
+index 0000000..61ca7dc
+--- /dev/null
++++ b/arch/arm/mach-pxa/tosa_power.c
+@@ -0,0 +1,82 @@
++/*
++ * Battery and Power Management code for the Sharp SL-6000x
++ *
++ * Copyright (c) 2005 Dirk Opfer
++ * Copyright (c) 2008 Dmitry Baryshkov
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ *
++ */
++#include <linux/kernel.h>
++#include <linux/module.h>
++#include <linux/power_supply.h>
++#include <linux/pda_power.h>
++#include <linux/platform_device.h>
++#include <linux/interrupt.h>
++
++#include <asm/arch/tosa.h>
++#include <asm/gpio.h>
++
++static int tosa_power_ac_online(void)
++{
++ return gpio_get_value(TOSA_GPIO_AC_IN) == 0;
++}
++
++static char *tosa_ac_supplied_to[] = {
++ "main-battery",
++ "backup-battery",
++ "jacket-battery",
++};
++
++static struct pda_power_pdata tosa_power_data = {
++ .is_ac_online = tosa_power_ac_online,
++ .supplied_to = tosa_ac_supplied_to,
++ .num_supplicants = ARRAY_SIZE(tosa_ac_supplied_to),
++};
++
++static struct resource tosa_power_resource[] = {
++ {
++ .name = "ac",
++ .start = gpio_to_irq(TOSA_GPIO_AC_IN),
++ .end = gpio_to_irq(TOSA_GPIO_AC_IN),
++ .flags = IORESOURCE_IRQ |
++ IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
++ },
++};
++
++static struct platform_device tosa_power_device = {
++ .name = "pda-power",
++ .id = -1,
++ .dev.platform_data = &tosa_power_data,
++ .resource = tosa_power_resource,
++ .num_resources = ARRAY_SIZE(tosa_power_resource),
++};
++
++static int __init tosa_power_init(void)
++{
++ int ret = gpio_request(TOSA_GPIO_AC_IN, "ac");
++ if (ret)
++ goto err_gpio_req;
++
++ ret = gpio_direction_input(TOSA_GPIO_AC_IN);
++ if (ret)
++ goto err_gpio_in;
++
++ return platform_device_register(&tosa_power_device);
++
++err_gpio_in:
++ gpio_free(TOSA_GPIO_AC_IN);
++err_gpio_req:
++ return ret;
++}
++
++static void __exit tosa_power_exit(void)
++{
++ platform_device_unregister(&tosa_power_device);
++ gpio_free(TOSA_GPIO_AC_IN);
++}
++
++module_init(tosa_power_init);
++module_exit(tosa_power_exit);
+diff --git a/drivers/leds/leds-tosa.c b/drivers/leds/leds-tosa.c
+index fb2416a..b4498b5 100644
+--- a/drivers/leds/leds-tosa.c
++++ b/drivers/leds/leds-tosa.c
+@@ -46,7 +46,7 @@ static void tosaled_green_set(struct led_classdev *led_cdev,
+
+ static struct led_classdev tosa_amber_led = {
+ .name = "tosa:amber",
+- .default_trigger = "sharpsl-charge",
++ .default_trigger = "main-battery-charging",
+ .brightness_set = tosaled_amber_set,
+ };
+
+diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
+index 58c806e..e3a9c37 100644
+--- a/drivers/power/Kconfig
++++ b/drivers/power/Kconfig
+@@ -49,4 +49,11 @@ config BATTERY_OLPC
+ help
+ Say Y to enable support for the battery on the OLPC laptop.
+
++config BATTERY_TOSA
++ tristate "Sharp SL-6000 (tosa) battery"
++ depends on MACH_TOSA && MFD_TC6393XB
++ help
++ Say Y to enable support for the battery on the Sharp Zaurus
++ SL-6000 (tosa) models.
++
+ endif # POWER_SUPPLY
+diff --git a/drivers/power/Makefile b/drivers/power/Makefile
+index 6413ded..1e408fa 100644
+--- a/drivers/power/Makefile
++++ b/drivers/power/Makefile
+@@ -20,3 +20,4 @@ obj-$(CONFIG_APM_POWER) += apm_power.o
+ obj-$(CONFIG_BATTERY_DS2760) += ds2760_battery.o
+ obj-$(CONFIG_BATTERY_PMU) += pmu_battery.o
+ obj-$(CONFIG_BATTERY_OLPC) += olpc_battery.o
++obj-$(CONFIG_BATTERY_TOSA) += tosa_battery.o
+diff --git a/drivers/power/tosa_battery.c b/drivers/power/tosa_battery.c
+new file mode 100644
+index 0000000..b0fd2f2
+--- /dev/null
++++ b/drivers/power/tosa_battery.c
+@@ -0,0 +1,458 @@
++/*
++ * Battery and Power Management code for the Sharp SL-6000x
++ *
++ * Copyright (c) 2005 Dirk Opfer
++ * Copyright (c) 2008 Dmitry Baryshkov
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ *
++ */
++#include <linux/kernel.h>
++#include <linux/module.h>
++#include <linux/power_supply.h>
++#include <linux/wm97xx.h>
++#include <linux/delay.h>
++#include <linux/spinlock.h>
++#include <linux/interrupt.h>
++
++#include <asm/mach-types.h>
++#include <asm/gpio.h>
++#include <asm/arch/tosa.h>
++
++#define BAT_TO_VOLTS(v) ((v) * 1000000 / 414)
++#define BU_TO_VOLTS(v) ((v) * 1000000 / 1266)
++/*
++ * It's pretty strange value, but that's roughly what I get from
++ * zaurus maintainer menu
++ */
++//#define BAT_TO_TEMP(t) ((t) * 10000/2000)
++#define BAT_TO_TEMP(t) (t)
++
++static DEFINE_MUTEX(bat_lock); /* protects gpio pins */
++static struct work_struct bat_work;
++
++struct tosa_bat {
++ int status;
++ struct power_supply psy;
++ int full_chrg;
++
++ struct mutex work_lock; /* protects data */
++ bool (*is_present)(struct tosa_bat *bat);
++ int gpio_full;
++ int gpio_charge_off;
++ int gpio_bat;
++ int adc_bat;
++ int gpio_temp;
++ int adc_temp;
++};
++
++static struct tosa_bat tosa_bat_main;
++static struct tosa_bat tosa_bat_jacket;
++
++static enum power_supply_property tosa_bat_main_props[] = {
++ POWER_SUPPLY_PROP_STATUS,
++ POWER_SUPPLY_PROP_TECHNOLOGY,
++ POWER_SUPPLY_PROP_VOLTAGE_NOW,
++ POWER_SUPPLY_PROP_VOLTAGE_MAX,
++ POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
++ POWER_SUPPLY_PROP_TEMP,
++ POWER_SUPPLY_PROP_PRESENT,
++};
++
++static enum power_supply_property tosa_bat_bu_props[] = {
++ POWER_SUPPLY_PROP_STATUS,
++ POWER_SUPPLY_PROP_TECHNOLOGY,
++ POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
++ POWER_SUPPLY_PROP_VOLTAGE_NOW,
++ POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
++ POWER_SUPPLY_PROP_PRESENT,
++};
++
++static unsigned long tosa_read_bat(struct tosa_bat *bat)
++{
++ unsigned long value = 0;
++
++ if (bat->gpio_bat < 0 || bat->adc_bat < 0)
++ return 0;
++
++ mutex_lock(&bat_lock);
++ gpio_set_value(bat->gpio_bat, 1);
++ mdelay(5);
++ value = wm97xx_read_aux_adc(bat->psy.dev->parent->driver_data, bat->adc_bat);
++ gpio_set_value(bat->gpio_bat, 0);
++ mutex_unlock(&bat_lock);
++ return value;
++}
++
++static unsigned long tosa_read_temp(struct tosa_bat *bat)
++{
++ unsigned long value = 0;
++
++ if (bat->gpio_temp < 0 || bat->adc_temp < 0)
++ return 0;
++
++ mutex_lock(&bat_lock);
++ gpio_set_value(bat->gpio_temp, 1);
++ mdelay(5);
++ value = wm97xx_read_aux_adc(bat->psy.dev->parent->driver_data, bat->adc_temp);
++ gpio_set_value(bat->gpio_temp, 0);
++ mutex_unlock(&bat_lock);
++ return value;
++}
++
++static int tosa_bat_get_property(struct power_supply *psy,
++ enum power_supply_property psp,
++ union power_supply_propval *val)
++{
++ int ret = 0;
++ struct tosa_bat *bat = container_of(psy, struct tosa_bat, psy);
++
++ if (bat->is_present && !bat->is_present(bat)
++ && psp != POWER_SUPPLY_PROP_PRESENT) {
++ return -ENODEV;
++ }
++
++ switch (psp) {
++ case POWER_SUPPLY_PROP_STATUS:
++ val->intval = bat->status;
++ break;
++ case POWER_SUPPLY_PROP_TECHNOLOGY:
++ val->intval = POWER_SUPPLY_TECHNOLOGY_LIPO;
++ break;
++ case POWER_SUPPLY_PROP_VOLTAGE_NOW:
++ val->intval = BAT_TO_VOLTS(tosa_read_bat(bat));
++ break;
++ case POWER_SUPPLY_PROP_VOLTAGE_MAX:
++ if (bat->full_chrg == -1)
++ val->intval = -1;
++ else
++ val->intval = BAT_TO_VOLTS(bat->full_chrg);
++ break;
++ case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
++ val->intval = BAT_TO_VOLTS(1551);
++ break;
++ case POWER_SUPPLY_PROP_TEMP:
++ val->intval = BAT_TO_TEMP(tosa_read_temp(bat));
++ break;
++ case POWER_SUPPLY_PROP_PRESENT:
++ val->intval = bat->is_present ? bat->is_present(bat) : 1;
++ break;
++ default:
++ ret = -EINVAL;
++ break;
++ }
++ return ret;
++}
++
++static int tosa_bu_get_property(struct power_supply *psy,
++ enum power_supply_property psp,
++ union power_supply_propval *val)
++{
++ int ret = 0;
++ struct tosa_bat *bat = container_of(psy, struct tosa_bat, psy);
++
++ switch (psp) {
++ case POWER_SUPPLY_PROP_STATUS:
++ val->intval = POWER_SUPPLY_STATUS_UNKNOWN;
++ break;
++ case POWER_SUPPLY_PROP_TECHNOLOGY:
++ val->intval = POWER_SUPPLY_TECHNOLOGY_LiMn;
++ break;
++ case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
++ val->intval = 0;
++ break;
++ case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
++ val->intval = 3 * 1000000; /* 3 V */
++ break;
++ case POWER_SUPPLY_PROP_VOLTAGE_NOW:
++ /* I think so */
++ val->intval = BU_TO_VOLTS(tosa_read_bat(bat));
++ break;
++ case POWER_SUPPLY_PROP_PRESENT:
++ val->intval = 1;
++ break;
++ default:
++ ret = -EINVAL;
++ break;
++ }
++ return ret;
++}
++
++static bool tosa_jacket_bat_is_present(struct tosa_bat *bat) {
++ // FIXME
++ return 1;
++}
++
++static void tosa_bat_external_power_changed(struct power_supply *psy)
++{
++ schedule_work(&bat_work);
++}
++
++static irqreturn_t tosa_bat_full_isr(int irq, void *data)
++{
++ printk(KERN_ERR "bat_full irq: %d\n", gpio_get_value(irq_to_gpio(irq)));
++ schedule_work(&bat_work);
++ return IRQ_HANDLED;
++}
++
++static void tosa_bat_update(struct tosa_bat *bat)
++{
++ int old = bat->status;
++ struct power_supply *psy = &bat->psy;
++
++ mutex_lock(&bat->work_lock);
++
++ if (bat->is_present && !bat->is_present(bat)) {
++ printk(KERN_DEBUG "%s not present\n", psy->name);
++ bat->status = POWER_SUPPLY_STATUS_NOT_CHARGING;
++ bat->full_chrg = -1;
++ } else if (power_supply_am_i_supplied(psy)) {
++ if (gpio_get_value(bat->gpio_full)) {
++ printk(KERN_DEBUG "%s full\n", psy->name);
++
++ if (old == POWER_SUPPLY_STATUS_CHARGING || bat->full_chrg == -1)
++ bat->full_chrg = tosa_read_bat(bat);
++
++ gpio_set_value(bat->gpio_charge_off, 1);
++ bat->status = POWER_SUPPLY_STATUS_FULL;
++ } else {
++ printk(KERN_ERR "%s charge\n", psy->name);
++ gpio_set_value(bat->gpio_charge_off, 0);
++ bat->status = POWER_SUPPLY_STATUS_CHARGING;
++ }
++ } else {
++ printk(KERN_ERR "%s discharge\n", psy->name);
++ gpio_set_value(bat->gpio_charge_off, 1);
++ bat->status = POWER_SUPPLY_STATUS_DISCHARGING;
++ }
++
++ if (old != bat->status)
++ power_supply_changed(psy);
++
++ mutex_unlock(&bat->work_lock);
++}
++
++static void tosa_bat_work(struct work_struct *work)
++{
++ tosa_bat_update(&tosa_bat_main);
++ tosa_bat_update(&tosa_bat_jacket);
++}
++
++
++static struct tosa_bat tosa_bat_main = {
++ .status = POWER_SUPPLY_STATUS_UNKNOWN,
++ .full_chrg = -1,
++ .psy = {
++ .name = "main-battery",
++ .type = POWER_SUPPLY_TYPE_BATTERY,
++ .properties = tosa_bat_main_props,
++ .num_properties = ARRAY_SIZE(tosa_bat_main_props),
++ .get_property = tosa_bat_get_property,
++ .external_power_changed = tosa_bat_external_power_changed,
++ .use_for_apm = 1,
++ },
++
++ .gpio_full = TOSA_GPIO_BAT0_CRG,
++ .gpio_charge_off = TOSA_TC6393XB_CHARGE_OFF,
++ .gpio_bat = TOSA_TC6393XB_BAT0_V_ON,
++ .adc_bat = WM97XX_AUX_ID3,
++ .gpio_temp = TOSA_TC6393XB_BAT1_TH_ON,
++ .adc_temp = WM97XX_AUX_ID2,
++};
++
++static struct tosa_bat tosa_bat_jacket = {
++ .status = POWER_SUPPLY_STATUS_UNKNOWN,
++ .full_chrg = -1,
++ .psy = {
++ .name = "jacket-battery",
++ .type = POWER_SUPPLY_TYPE_BATTERY,
++ .properties = tosa_bat_main_props,
++ .num_properties = ARRAY_SIZE(tosa_bat_main_props),
++ .get_property = tosa_bat_get_property,
++ .external_power_changed = tosa_bat_external_power_changed,
++// .use_for_apm = 1,
++ },
++
++ .is_present = tosa_jacket_bat_is_present,
++ .gpio_full = TOSA_GPIO_BAT1_CRG,
++ .gpio_charge_off = TOSA_TC6393XB_CHARGE_OFF_JC,
++ .gpio_bat = TOSA_TC6393XB_BAT1_V_ON,
++ .adc_bat = WM97XX_AUX_ID3,
++ .gpio_temp = TOSA_TC6393XB_BAT0_TH_ON,
++ .adc_temp = WM97XX_AUX_ID2,
++};
++
++static struct tosa_bat tosa_bat_bu = {
++ .status = POWER_SUPPLY_STATUS_UNKNOWN,
++ .full_chrg = -1,
++
++ .psy = {
++ .name = "backup-battery",
++ .type = POWER_SUPPLY_TYPE_BATTERY,
++ .properties = tosa_bat_bu_props,
++ .num_properties = ARRAY_SIZE(tosa_bat_bu_props),
++ .get_property = tosa_bu_get_property,
++ .external_power_changed = tosa_bat_external_power_changed,
++ },
++
++ .gpio_full = -1,
++ .gpio_charge_off = -1,
++ .gpio_bat = TOSA_TC6393XB_BU_CHRG_ON,
++ .adc_bat = WM97XX_AUX_ID4,
++ .gpio_temp = -1,
++ .adc_temp = -1,
++};
++
++static struct {
++ int gpio;
++ char *name;
++ bool output;
++ int value;
++} gpios[] = {
++ { TOSA_TC6393XB_CHARGE_OFF, "main charge off", 1, 1 },
++ { TOSA_TC6393XB_CHARGE_OFF_JC, "jacket charge off", 1, 1 },
++ { TOSA_TC6393XB_BAT_SW_ON, "battery switch", 1, 0 },
++ { TOSA_TC6393XB_BAT0_V_ON, "main battery", 1, 0 },
++ { TOSA_TC6393XB_BAT1_V_ON, "jacket battery", 1, 0 },
++ { TOSA_TC6393XB_BAT1_TH_ON, "main battery temp", 1, 0 },
++ { TOSA_TC6393XB_BAT0_TH_ON, "jacket battery temp", 1, 0 },
++ { TOSA_TC6393XB_BU_CHRG_ON, "backup battery", 1, 0 },
++ { TOSA_GPIO_BAT0_CRG, "main battery full", 0, 0 },
++ { TOSA_GPIO_BAT1_CRG, "jacket battery full", 0, 0 },
++ { TOSA_GPIO_BAT0_LOW, "main battery low", 0, 0 },
++ { TOSA_GPIO_BAT1_LOW, "jacket battery low", 0, 0 },
++};
++
++#ifdef CONFIG_PM
++static int tosa_bat_suspend(struct device *dev, pm_message_t state)
++{
++ /* do nothing */
++ return 0;
++}
++
++static int tosa_bat_resume(struct device *dev)
++{
++ schedule_work(&bat_work);
++ return 0;
++}
++#else
++#define tosa_bat_suspend NULL
++#define tosa_bat_resume NULL
++#endif
++
++static int __devinit tosa_bat_probe(struct device *dev)
++{
++ int ret;
++ int i;
++
++ if (!machine_is_tosa())
++ return -ENODEV;
++
++ for (i = 0; i < ARRAY_SIZE(gpios); i++) {
++ ret = gpio_request(gpios[i].gpio, gpios[i].name);
++ if (ret) {
++ i --;
++ goto err_gpio;
++ }
++
++ if (gpios[i].output)
++ ret = gpio_direction_output(gpios[i].gpio,
++ gpios[i].value);
++ else
++ ret = gpio_direction_input(gpios[i].gpio);
++
++ if (ret)
++ goto err_gpio;
++ }
++
++ mutex_init(&tosa_bat_main.work_lock);
++ mutex_init(&tosa_bat_jacket.work_lock);
++
++ INIT_WORK(&bat_work, tosa_bat_work);
++
++ ret = power_supply_register(dev, &tosa_bat_main.psy);
++ if (ret)
++ goto err_psy_reg_main;
++ ret = power_supply_register(dev, &tosa_bat_jacket.psy);
++ if (ret)
++ goto err_psy_reg_jacket;
++ ret = power_supply_register(dev, &tosa_bat_bu.psy);
++ if (ret)
++ goto err_psy_reg_bu;
++
++ ret = request_irq(gpio_to_irq(TOSA_GPIO_BAT0_CRG),
++ tosa_bat_full_isr, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
++ "main full", &tosa_bat_main);
++ if (ret)
++ goto err_req_main;
++
++ ret = request_irq(gpio_to_irq(TOSA_GPIO_BAT1_CRG),
++ tosa_bat_full_isr, IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
++ "jacket full", &tosa_bat_jacket);
++ if (!ret) {
++ schedule_work(&bat_work);
++ return 0;
++ }
++
++ free_irq(gpio_to_irq(TOSA_GPIO_BAT0_CRG), &tosa_bat_main);
++err_req_main:
++ power_supply_unregister(&tosa_bat_bu.psy);
++err_psy_reg_bu:
++ power_supply_unregister(&tosa_bat_jacket.psy);
++err_psy_reg_jacket:
++ power_supply_unregister(&tosa_bat_main.psy);
++err_psy_reg_main:
++
++ i --;
++err_gpio:
++ for (; i >= 0; i --)
++ gpio_free(gpios[i].gpio);
++
++ return ret;
++}
++
++static int __devexit tosa_bat_remove(struct device *dev)
++{
++ int i;
++
++ free_irq(gpio_to_irq(TOSA_GPIO_BAT1_CRG), &tosa_bat_jacket);
++ free_irq(gpio_to_irq(TOSA_GPIO_BAT0_CRG), &tosa_bat_main);
++
++ power_supply_unregister(&tosa_bat_bu.psy);
++ power_supply_unregister(&tosa_bat_jacket.psy);
++ power_supply_unregister(&tosa_bat_main.psy);
++
++ for (i = ARRAY_SIZE(gpios) - 1; i >= 0; i --)
++ gpio_free(gpios[i].gpio);
++
++ return 0;
++}
++
++static struct device_driver tosa_bat_driver = {
++ .name = "wm97xx-battery",
++ .bus = &wm97xx_bus_type,
++ .owner = THIS_MODULE,
++ .probe = tosa_bat_probe,
++ .remove = __devexit_p(tosa_bat_remove),
++ .suspend = tosa_bat_suspend,
++ .resume = tosa_bat_resume,
++};
++
++static int __init tosa_bat_init(void)
++{
++ return driver_register(&tosa_bat_driver);
++}
++
++static void __exit tosa_bat_exit(void)
++{
++ driver_unregister(&tosa_bat_driver);
++}
++
++module_init(tosa_bat_init);
++module_exit(tosa_bat_exit);
++
++MODULE_LICENSE("GPL");
++MODULE_AUTHOR("Dmitry Baryshkov");
++MODULE_DESCRIPTION("Tosa battery driver");
+--
+1.5.3.8
+