Messages in this thread | | | Date | Sat, 21 Jan 2012 18:27:24 +0530 | From | Laxman Dewangan <> | Subject | Re: [PATCH V1] mfd: tps65910: Add wakeup support |
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On Saturday 21 January 2012 06:21 PM, Mark Brown wrote: > On Sat, Jan 21, 2012 at 04:54:52PM +0530, Laxman Dewangan wrote: > >> During initialization of device, we need to tell that device is >> wakeup capable and hence we need to call the: device_wakeup_init() >> and device_set_wakeup_capable(dev, true). >> Then it exposes the required sysfs to userspace to select the wakeup >> enable or not i.e. power/wakeup to be written as enabled or >> disabled. >> Based on user selection, the function device_may_wakeup() will >> return true/false based on power/wakeup enabled/disabled. So before >> entering into the suspend, we need to check this function and call >> enable_irq_wakeup() to have the wakeup enabled actually in the soc. >> In resume we need to call disable_irq_wake() again. > Yes, that sounds about right. You don't strictly need to worry about > the wake setup except when suspending but it tends to be easier to > implement that way. Thanks, I will send another patch for implementing this way.
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