Enable support for receiving regulator events via netlink

modulename: event.ko

configname: CONFIG_REGULATOR_NETLINK_EVENTS

Linux Kernel Configuration
└─>Device Drivers
└─>Voltage and Current Regulator Support
└─>Enable support for receiving regulator events via netlink
In linux kernel since version 6.8 (release Date: 2024-03-10)  
Enabling this option allows the kernel to broadcast regulator events using
the netlink mechanism. User-space applications can subscribe to these events
for real-time updates on various regulator events.

If unsure, say no.

source code: