diff options
| -rw-r--r-- | drivers/mfd/ab8500-i2c.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/drivers/mfd/ab8500-i2c.c b/drivers/mfd/ab8500-i2c.c index b83045f102be..89b31a3409cd 100644 --- a/drivers/mfd/ab8500-i2c.c +++ b/drivers/mfd/ab8500-i2c.c @@ -101,10 +101,42 @@ static const struct platform_device_id ab8500_id[] = { { } }; +#ifdef CONFIG_PM +static int ab8500_i2c_suspend(struct device *dev) +{ + struct ab8500 *ab = dev_get_drvdata(dev); + + disable_irq(ab->irq); + enable_irq_wake(ab->irq); + + return 0; +} + +static int ab8500_i2c_resume(struct device *dev) +{ + struct ab8500 *ab = dev_get_drvdata(dev); + + disable_irq_wake(ab->irq); + enable_irq(ab->irq); + + return 0; +} + +static const struct dev_pm_ops ab8500_i2c_pm_ops = { + .suspend = ab8500_i2c_suspend, + .resume = ab8500_i2c_resume, +}; + +#define AB8500_I2C_PM_OPS (&ab8500_i2c_pm_ops) +#else +#define AB8500_I2C_PM_OPS NULL +#endif + static struct platform_driver ab8500_i2c_driver = { .driver = { .name = "ab8500-i2c", .owner = THIS_MODULE, + .pm = AB8500_I2C_PM_OPS, }, .probe = ab8500_i2c_probe, .remove = __devexit_p(ab8500_i2c_remove), |