diff options
| author | Kevin Liu <kliu5@marvell.com> | 2012-01-04 11:14:26 +0400 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2012-01-09 04:30:12 +0400 |
| commit | 74d836c4142e5d100f8d9a1b2ee3003c2ed7109d (patch) | |
| tree | 29daf16ef1c8b8a0b741bd41b590351b142a4fd1 | |
| parent | ba74e80ebaf8209cb553eb2195b26302270cfa42 (diff) | |
| download | linux-74d836c4142e5d100f8d9a1b2ee3003c2ed7109d.tar.xz | |
rtc: max8925: Add function to work as wakeup source
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>
| -rw-r--r-- | drivers/rtc/rtc-max8925.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-max8925.c b/drivers/rtc/rtc-max8925.c index 3bc046f427e0..b281baead658 100644 --- a/drivers/rtc/rtc-max8925.c +++ b/drivers/rtc/rtc-max8925.c @@ -261,6 +261,8 @@ static int __devinit max8925_rtc_probe(struct platform_device *pdev) /* XXX - isn't this redundant? */ platform_set_drvdata(pdev, info); + device_init_wakeup(&pdev->dev, 1); + info->rtc_dev = rtc_device_register("max8925-rtc", &pdev->dev, &max8925_rtc_ops, THIS_MODULE); ret = PTR_ERR(info->rtc_dev); @@ -290,10 +292,34 @@ static int __devexit max8925_rtc_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM_SLEEP +static int max8925_rtc_suspend(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent); + + if (device_may_wakeup(dev)) + chip->wakeup_flag |= 1 << MAX8925_IRQ_RTC_ALARM0; + return 0; +} +static int max8925_rtc_resume(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent); + + if (device_may_wakeup(dev)) + chip->wakeup_flag &= ~(1 << MAX8925_IRQ_RTC_ALARM0); + return 0; +} +#endif + +static SIMPLE_DEV_PM_OPS(max8925_rtc_pm_ops, max8925_rtc_suspend, max8925_rtc_resume); + static struct platform_driver max8925_rtc_driver = { .driver = { .name = "max8925-rtc", .owner = THIS_MODULE, + .pm = &max8925_rtc_pm_ops, }, .probe = max8925_rtc_probe, .remove = __devexit_p(max8925_rtc_remove), |