diff options
| -rw-r--r-- | drivers/mfd/max8925-i2c.c | 27 | ||||
| -rw-r--r-- | include/linux/mfd/max8925.h | 2 |
2 files changed, 29 insertions, 0 deletions
diff --git a/drivers/mfd/max8925-i2c.c b/drivers/mfd/max8925-i2c.c index 0219115e00c..d9e4b36edee 100644 --- a/drivers/mfd/max8925-i2c.c +++ b/drivers/mfd/max8925-i2c.c @@ -161,6 +161,8 @@ static int __devinit max8925_probe(struct i2c_client *client, chip->adc = i2c_new_dummy(chip->i2c->adapter, ADC_I2C_ADDR); i2c_set_clientdata(chip->adc, chip); + device_init_wakeup(&client->dev, 1); + max8925_device_init(chip, pdata); return 0; @@ -177,10 +179,35 @@ static int __devexit max8925_remove(struct i2c_client *client) 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 = { .driver = { .name = "max8925", .owner = THIS_MODULE, + .pm = &max8925_pm_ops, }, .probe = max8925_probe, .remove = __devexit_p(max8925_remove), diff --git a/include/linux/mfd/max8925.h b/include/linux/mfd/max8925.h index 5259dfe8c58..daaba00f0bc 100644 --- a/include/linux/mfd/max8925.h +++ b/include/linux/mfd/max8925.h @@ -206,6 +206,8 @@ struct max8925_chip { int irq_base; int core_irq; int tsc_irq; + + unsigned int wakeup_flag; }; struct max8925_backlight_pdata { |