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mfd: Add pm ops to max8925 

Signed-off-by: Kevin Liu <kliu5@marvell.com>
Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Kevin Liu 2012-01-04 15:14:24 +08:00 committed by Samuel Ortiz
parent 5214e5659a
commit ba74e80eba
2 changed files with 29 additions and 0 deletions
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27
drivers/mfd/max8925-i2c.c
View File

@ -161,6 +161,8 @@ static int __devinit max8925_probe(struct i2c_client *client,
chip->adc = i2c_new_dummy(chip->i2c->adapter, ADC_I2C_ADDR); chip->adc = i2c_new_dummy(chip->i2c->adapter, ADC_I2C_ADDR);
i2c_set_clientdata(chip->adc, chip); i2c_set_clientdata(chip->adc, chip);
device_init_wakeup(&client->dev, 1);
max8925_device_init(chip, pdata); max8925_device_init(chip, pdata);
return 0; return 0;
@ -177,10 +179,35 @@ static int __devexit max8925_remove(struct i2c_client *client)
return 0; return 0;
} }
#ifdef CONFIG_PM_SLEEP
static int max8925_suspend(struct device *dev)
{
struct i2c_client *client = container_of(dev, struct i2c_client, dev);
struct max8925_chip *chip = i2c_get_clientdata(client);
if (device_may_wakeup(dev) && chip->wakeup_flag)
enable_irq_wake(chip->core_irq);
return 0;
}
static int max8925_resume(struct device *dev)
{
struct i2c_client *client = container_of(dev, struct i2c_client, dev);
struct max8925_chip *chip = i2c_get_clientdata(client);
if (device_may_wakeup(dev) && chip->wakeup_flag)
disable_irq_wake(chip->core_irq);
return 0;
}
#endif
static SIMPLE_DEV_PM_OPS(max8925_pm_ops, max8925_suspend, max8925_resume);
static struct i2c_driver max8925_driver = { static struct i2c_driver max8925_driver = {
.driver = { .driver = {
.name = "max8925", .name = "max8925",
.owner = THIS_MODULE, .owner = THIS_MODULE,
.pm = &max8925_pm_ops,
}, },
.probe = max8925_probe, .probe = max8925_probe,
.remove = __devexit_p(max8925_remove), .remove = __devexit_p(max8925_remove),

2
include/linux/mfd/max8925.h
View File

@ -206,6 +206,8 @@ struct max8925_chip {
int irq_base; int irq_base;
int core_irq; int core_irq;
int tsc_irq; int tsc_irq;
unsigned int wakeup_flag;
}; };
struct max8925_backlight_pdata { struct max8925_backlight_pdata {