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- Kernel driver raspberrypi-hwmon
- ===============================
- Supported boards:
- * Raspberry Pi A+ (via GPIO on SoC)
- * Raspberry Pi B+ (via GPIO on SoC)
- * Raspberry Pi 2 B (via GPIO on SoC)
- * Raspberry Pi 3 B (via GPIO on port expander)
- * Raspberry Pi 3 B+ (via PMIC)
- Author: Stefan Wahren <[email protected]>
- Description
- -----------
- This driver periodically polls a mailbox property of the VC4 firmware to detect
- undervoltage conditions.
- Sysfs entries
- -------------
- ======================= ==================
- in0_lcrit_alarm Undervoltage alarm
- ======================= ==================
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