juniskane commented on pull request #2943:
URL: https://github.com/apache/incubator-nuttx/pull/2943#issuecomment-789754798
Yes the static part needs to be corrected/reverted as it silently breaks
existing configs and contradicts Kconfig help:
```
config STM32F7_RTC_LSECLOCK_START_DRV_CAPABILITY
int "LSE oscillator drive capability level at LSE start-up"
default 0
range 0 3
---help---
0 = Low drive capability (default)
1 = Medium high drive capability
2 = Medium low drive capability
3 = High drive capability
config STM32F7_RTC_LSECLOCK_RUN_DRV_CAPABILITY
int "LSE oscillator drive capability level after LSE start-up"
default 0
range 0 3
---help---
0 = Low drive capability (default)
1 = Medium high drive capability
2 = Medium low drive capability
3 = High drive capability
```
We have mass produced F7 devices a lot and are aware of the device not
starting on manufacturing line due to LSE drive strength issue. Fixed it years
ago so cannot remember every detail any more.
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