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CONFIG_SYS_POWER_DEEP_SLEEP_STATES¶
Deep Sleep states
Type: bool
Help¶
This option enables the kernel to interface with a power manager application. This permits the system to enter a Deep sleep state supported by the SOC where the system clock is turned off while RAM is retained. This state would be entered when the kernel becomes idle for extended periods and would have a high wake latency. Resume would be from the reset vector same as cold boot. The interface allows restoration of states that were saved at the time of suspend.
Direct dependencies¶
(HAS_SYS_POWER_STATE_DEEP_SLEEP_1 || HAS_SYS_POWER_STATE_DEEP_SLEEP_2 || HAS_SYS_POWER_STATE_DEEP_SLEEP_3) && SYS_POWER_MANAGEMENT
(Includes any dependencies from if’s and menus.)
Defaults¶
No defaults. Implicitly defaults to n.
Kconfig definition¶
At kernel/Kconfig.power_mgmt:30
Included via Kconfig:10 → Kconfig.zephyr:31 → kernel/Kconfig:760
Menu path: (top menu) → General Kernel Options → System Power management
config SYS_POWER_DEEP_SLEEP_STATES
bool
prompt "Deep Sleep states" if (HAS_SYS_POWER_STATE_DEEP_SLEEP_1 || HAS_SYS_POWER_STATE_DEEP_SLEEP_2 || HAS_SYS_POWER_STATE_DEEP_SLEEP_3) && SYS_POWER_MANAGEMENT
depends on (HAS_SYS_POWER_STATE_DEEP_SLEEP_1 || HAS_SYS_POWER_STATE_DEEP_SLEEP_2 || HAS_SYS_POWER_STATE_DEEP_SLEEP_3) && SYS_POWER_MANAGEMENT
help
This option enables the kernel to interface with a power manager
application. This permits the system to enter a Deep sleep state
supported by the SOC where the system clock is turned off while RAM is
retained. This state would be entered when the kernel becomes idle for
extended periods and would have a high wake latency. Resume would be
from the reset vector same as cold boot. The interface allows
restoration of states that were saved at the time of suspend.
(Definitions include propagated dependencies, including from if’s and menus.)