how to configure deep sleep mode using this api bls_pm_setSuspendMask()

kaviyarasan

do we use this api put deep sleep mode   bls_pm_setSuspendMask()  but here there is no option for deep sleep without retention mode its only having deep sleep retention mode and suspend mode               #define                        SUSPEND_DISABLE                                0
#define                        SUSPEND_ADV                                        BIT(0)
#define                        SUSPEND_CONN                                BIT(1)
#define                        DEEPSLEEP_RETENTION_ADV                BIT(2)
#define                        DEEPSLEEP_RETENTION_CONN           BIT(3)
#define                        MCU_STALL                                        BIT(6)

1)how to configure deep sleep  without retention mode using this api bls_pm_setSuspendMask() ?
2)difference between this two api bls_pm_setSuspendMask() and cpu_sleep_wakeup() ?

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