[RP2040] Fix host remote wakeup #365
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This was referenced Feb 23, 2023
Previously a device which attempted to wake a sleeping host would not be notified about the resumed operation and thus stay suspended for ever. This is due to the fact that only a host initiated wakeup would trigger a interrupt. As a workaround we use the SOF interrupt which is enabled for a short amount of time to detect the resume of the bus and wakeup the device.
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fpoussin
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Previously a device which attempted to wake a sleeping host would not be notified about the resumed operation and thus stay suspended for ever. This is due to the fact that only a host initiated wakeup would trigger a interrupt. As a workaround we use the SOF interrupt which is enabled for a short amount of time to detect the resume of the bus and wakeup the device.