Hi Andreas,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on power-supply/for-next]
[also build test ERROR on next-20210701]
[cannot apply to lee-mfd/for-mfd-next iio/togreg robh/for-next v5.13]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Andreas-Kemnade/mfd-rn5t618-Extend-ADC-support/20210703-164312
base:   https://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply.git for-next
config: i386-randconfig-m031-20210702 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/99953e2eb9d653eb8bc74eb482cef7c9fb4e69d7
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Andreas-Kemnade/mfd-rn5t618-Extend-ADC-support/20210703-164312
        git checkout 99953e2eb9d653eb8bc74eb482cef7c9fb4e69d7
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <redacted>

All errors (new ones prefixed by >>, old ones prefixed by <<):

quoted

ERROR: modpost: "devm_iio_channel_get" [drivers/power/supply/rn5t618_power.ko] undefined!
ERROR: modpost: "iio_read_channel_processed" [drivers/power/supply/rn5t618_power.ko] undefined!

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org