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wifi: don't auto power down the transceiver when power save is disabled #2681

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Merged
Arisotura merged 1 commit into from
Jun 7, 2026
Merged

wifi: don't auto power down the transceiver when power save is disabled #2681

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8 changes: 7 additions & 1 deletion src/Wifi.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -393,7 +393,13 @@ void Wifi::SetIRQ13()
{
SetIRQ(13);

if ((IOPORT(W_ModeWEP) & 0x7) != 3)
// auto power-down should only happen in automatic power saving mode (0).
// it must not happen when power saving is disabled (mode 2): stations
// running in that mode (eg. dswifi in infrastructure mode) don't service
// IRQ13/IRQ15, so a power-down triggered by the one-shot W_BeaconCount2
// countdown (armed at 0xFFFF = ~67s) would turn the transceiver off
// with nothing ever waking it up again
if ((IOPORT(W_ModeWEP) & 0x7) == 0)
{
if (!(IOPORT(W_PowerTX) & (1<<1)))
{
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