test: tests/driver/adc/adc_api: frdm_mcxn947/mcxn947/cpu0 : test failure since first merge

[hakehuang]

Describe the bug adc does not function as expected

Please also mention any information which could help others to understand the problem you're facing:

• What target platform are you using? frdm_mcxn947/mcxn947/cpu0
• What have you tried to diagnose or workaround this issue? git bisect
• Is this a regression? If yes, have you been able to "git bisect" it to a specific commit?

  3dc82a66067d5352b3d5f3606396af009b011e6e

To Reproduce Steps to reproduce the behavior:

scripts/twister build -b frdm_mcxn947/mcxn947/cpu0 -T tests/driver/adc/adc_api
scripts/twister flash

Expected behavior Test PASS

Impact ALL ADC functions

Logs and console output

*** Booting Zephyr OS build v3.7.0-rc1-242-ge5c05da9cbda ***
Running TESTSUITE adc_basic
===================================================================
START - test_adc_asynchronous_call
Assertion failed at WEST_TOPDIR/zephyr/tests/drivers/adc/adc_api/src/test_adc.c:86: init_adc: (ret not equal to 0)
Setting up of channel 0 failed with code -22
FAIL - test_adc_asynchronous_call in 0.015 seconds
===================================================================
START - test_adc_invalid_request
Assertion failed at WEST_TOPDIR/zephyr/tests/drivers/adc/adc_api/src/test_adc.c:86: init_adc: (ret not equal to 0)
Setting up of channel 0 failed with code -22
FAIL - test_adc_invalid_request in 0.015 seconds
===================================================================
START - test_adc_repeated_samplings
Assertion failed at WEST_TOPDIR/zephyr/tests/drivers/adc/adc_api/src/test_adc.c:86: init_adc: (ret not equal to 0)
Setting up of channel 0 failed with code -22
FAIL - test_adc_repeated_samplings in 0.015 seconds
===================================================================
START - test_adc_sample_one_channel
Assertion failed at WEST_TOPDIR/zephyr/tests/drivers/adc/adc_api/src/test_adc.c:86: init_adc: (ret not equal to 0)
Setting up of channel 0 failed with code -22
FAIL - test_adc_sample_one_channel in 0.015 seconds
===================================================================
START - test_adc_sample_two_channels
Assertion failed at WEST_TOPDIR/zephyr/tests/drivers/adc/adc_api/src/test_adc.c:86: init_adc: (ret not equal to 0)
Setting up of channel 0 failed with code -22
FAIL - test_adc_sample_two_channels in 0.015 seconds
===================================================================
START - test_adc_sample_with_interval
Assertion failed at WEST_TOPDIR/zephyr/tests/drivers/adc/adc_api/src/test_adc.c:86: init_adc: (ret not equal to 0)
Setting up of channel 0 failed with code -22
FAIL - test_adc_sample_with_interval in 0.015 seconds
===================================================================
TESTSUITE adc_basic failed.
------ TESTSUITE SUMMARY START ------
SUITE FAIL -   0.00% [adc_basic]: pass = 0, fail = 6, skip = 0, total = 6 duration = 0.090 seconds
- FAIL - [adc_basic.test_adc_asynchronous_call] duration = 0.015 seconds
- FAIL - [adc_basic.test_adc_invalid_request] duration = 0.015 seconds
- FAIL - [adc_basic.test_adc_repeated_samplings] duration = 0.015 seconds
- FAIL - [adc_basic.test_adc_sample_one_channel] duration = 0.015 seconds
- FAIL - [adc_basic.test_adc_sample_two_channels] duration = 0.015 seconds
- FAIL - [adc_basic.test_adc_sample_with_interval] duration = 0.015 seconds
------ TESTSUITE SUMMARY END ------
===================================================================
RunID: 1c35e182024c27d2ee6903329cc977ac
PROJECT EXECUTION FAILED

Environment (please complete the following information):

• OS: (e.g. Linux)
• Toolchain (e.g Zephyr SDK, ...)
• Commit SHA or Version used: v3.7.0-rc1-242-ge5c05da9cbda

Additional context

this case kept failing since first merged by https://github.com/zephyrproject-rtos/zephyr/pull/70642

[ZhaoxiangJin]

The FRDM MCXN947 board LPADC test case was directly copied from the internal bitbucket repo, sorry for not doing a full test. I'm now working on resolving this bug.