FitiPower FP9931/JD9930 EPD regulator
modulename: fp9931.ko
configname: CONFIG_REGULATOR_FP9931
Linux Kernel Configuration
└─>Device Drivers
└─>Voltage and Current Regulator Support
└─>FitiPower FP9931/JD9930 EPD regulator
In linux kernel since version 5.10.250 (release Date: 2026-02-11)
This driver supports the FP9931/JD9930 voltage regulator chip
which is used to provide power to Electronic Paper Displays
so it is found in E-Book readers.
If HWWON is enabled, it also provides temperature measurement.
which is used to provide power to Electronic Paper Displays
so it is found in E-Book readers.
If HWWON is enabled, it also provides temperature measurement.