[Edgecore][AS9716/PDDF]Support B2F and F2B psu_fan_dir sysfs #12013
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Why I did it
Because the DUT support different PSU and their fan direction is different. So need drv to provide sysfs for psu_fan_dir.
How I did it
These PSU don't support pmbus cmd, so read from eeprom and create sysfs to provide fan-direction.
How to verify it
Test show platform fan. Log as below,
Which release branch to backport (provide reason below if selected)
Description for the changelog
Link to config_db schema for YANG module changes
A picture of a cute animal (not mandatory but encouraged)