From 8f8e9b387e07cbb96f10936cc455229d7aff4790 Mon Sep 17 00:00:00 2001 From: Dmitry Baryshkov Date: Sun, 13 Jan 2008 02:35:43 +0300 Subject: pda_power: add suspend/resume support Add suspend/resume/wakeup support for pda_power. Signed-off-by: Dmitry Baryshkov Signed-off-by: Anton Vorontsov --- drivers/power/pda_power.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) (limited to 'drivers') diff --git a/drivers/power/pda_power.c b/drivers/power/pda_power.c index d98622f9f31d..35dc25973f33 100644 --- a/drivers/power/pda_power.c +++ b/drivers/power/pda_power.c @@ -207,6 +207,8 @@ static int pda_power_probe(struct platform_device *pdev) } } + device_init_wakeup(&pdev->dev, 1); + return 0; usb_irq_failed: @@ -239,12 +241,43 @@ static int pda_power_remove(struct platform_device *pdev) return 0; } +#ifdef CONFIG_PM +static int pda_power_suspend(struct platform_device *pdev, pm_message_t state) +{ + if (device_may_wakeup(&pdev->dev)) { + if (ac_irq) + enable_irq_wake(ac_irq->start); + if (usb_irq) + enable_irq_wake(usb_irq->start); + } + + return 0; +} + +static int pda_power_resume(struct platform_device *pdev) +{ + if (device_may_wakeup(&pdev->dev)) { + if (usb_irq) + disable_irq_wake(usb_irq->start); + if (ac_irq) + disable_irq_wake(ac_irq->start); + } + + return 0; +} +#else +#define pda_power_suspend NULL +#define pda_power_resume NULL +#endif /* CONFIG_PM */ + static struct platform_driver pda_power_pdrv = { .driver = { .name = "pda-power", }, .probe = pda_power_probe, .remove = pda_power_remove, + .suspend = pda_power_suspend, + .resume = pda_power_resume, }; static int __init pda_power_init(void) -- cgit v1.2.3