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fix(power): arm deep-sleep hold so per-pin gpio_hold_en actually holds #10438

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fix(power): arm deep-sleep hold so per-pin gpio_hold_en actually holds #10438

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669e2fb
sleep: arm deep-sleep hold so per-pin gpio_hold_en actually holds
DatanoiseTV May 8, 2026
58857ad
Merge branch 'develop' into fix/power-deep-sleep-hold
thebentern May 9, 2026
b188c50
Merge branch 'develop' into fix/power-deep-sleep-hold
thebentern May 9, 2026
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8 changes: 8 additions & 0 deletions src/sleep.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -370,6 +370,14 @@ void doDeepSleep(uint32_t msecToWake, bool skipPreflight = false, bool skipSaveN
pinMode(I2C_SCL, ANALOG);
#endif

#ifdef ARCH_ESP32
// gpio_hold_en alone only retains pin state during light sleep on ESP32;
// for the holds to apply during deep sleep the global enable must be
// armed once before esp_deep_sleep_start. Without this, BUTTON_PIN and
// LORA_CS float in DSLP and can leak current or trigger spurious activity.
gpio_deep_sleep_hold_en();
#endif

console->flush();
cpuDeepSleep(msecToWake);
}
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