December 1, 2025 at 12:38 PM, "Konrad Dybcio" <[email protected] mailto:[email protected]?to=%22Konrad%20Dybcio%22%20%3Ckonrad.dybcio%40oss.qualcomm.com%3E > wrote:
> Sorry for not responding earlier, you can retrieve the actual volt > numbers from the hardware by reading > > PMI8998_IBB_REG_BASE + REG_LABIBB_VOLTAGE = 0xdc41 > > ibb_uV = 1.4 + .1 * val > > PMI8998_LAB_REG_BASE + REG_LABIBB_VOLTAGE = 0xde41 > > lab_uV = 4.6 + .1 * val > > Konrad > I found it in sysfs along the lines of your previous suggestion instead. ``` 1|judyln:/ # cat /sys/kernel/debug/regulator/c440000.qcom,spmi:qcom,pmi8998@3:qpnp-labibb-regulator-ibb_reg/voltage 5500000 judyln:/ # cat /sys/kernel/debug/regulator/c440000.qcom,spmi:qcom,pmi8998@3:qpnp-labibb-regulator-lab_reg/voltage 5500000 ```
