On Fri, 31 Aug 2012, Aaron Lu wrote: > > In patch 5/7, your implementation of may_power_off is written in such a > > way that if the drive is already powered off when userspace clears the > > flag, the drive is not automatically powered back on. Maybe this is > > what you want? > > No, actually I didn't consider this. > > What about I do this when may_power_off is set to 0: > In its store function, if the device is runtime suspended(which means it > is in powered off state since may_power_off was 1 before this store call) > I'll set the flag to 0 and then runtime resume this device. You might also want to runtime resume the device if may_power_off is changed from 0 to 1. Then it will power down when it suspends again instead of just remaining powered up. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
