Re: [PATCHv4 2/8] Fixed variables not being consistently lower case

[kbuild test robot]

Hi Scott,

[auto build test ERROR on iio/togreg]
[also build test ERROR on v4.9 next-20161224]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Scott-Matheina/Checkpatch-fixes-to-driver-staging-iio-addac/20161226-041021
base:   https://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio.git togreg
config: i386-randconfig-x001-201652 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/staging/iio/addac/adt7316.c: In function 'adt7316_event_handler':
>> drivers/staging/iio/addac/adt7316.c:1758:12: error: implicit declaration of function 'iio_unmod_event_code' [-Werror=implicit-function-declaration]
               iio_unmod_event_code(iio_temp, 0,
               ^~~~~~~~~~~~~~~~~~~~
>> drivers/staging/iio/addac/adt7316.c:1758:33: error: 'iio_temp' undeclared (first use in this function)
               iio_unmod_event_code(iio_temp, 0,
                                    ^~~~~~~~
   drivers/staging/iio/addac/adt7316.c:1758:33: note: each undeclared identifier is reported only once for each function it appears in
>> drivers/staging/iio/addac/adt7316.c:1759:12: error: 'iio_ev_type_thresh' undeclared (first use in this function)
               iio_ev_type_thresh,
               ^~~~~~~~~~~~~~~~~~
>> drivers/staging/iio/addac/adt7316.c:1760:12: error: 'iio_ev_dir_rising' undeclared (first use in this function)
               iio_ev_dir_rising),
               ^~~~~~~~~~~~~~~~~
>> drivers/staging/iio/addac/adt7316.c:1766:12: error: 'iio_ev_dir_falling' undeclared (first use in this function)
               iio_ev_dir_falling),
               ^~~~~~~~~~~~~~~~~~
>> drivers/staging/iio/addac/adt7316.c:1782:33: error: 'iio_voltage' undeclared (first use in this function)
               iio_unmod_event_code(iio_voltage, 1,
                                    ^~~~~~~~~~~
>> drivers/staging/iio/addac/adt7316.c:1784:12: error: 'iio_ev_dir_either' undeclared (first use in this function)
               iio_ev_dir_either),
               ^~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors

vim +/iio_unmod_event_code +1758 drivers/staging/iio/addac/adt7316.c

  1752			if ((chip->id & ID_FAMILY_MASK) != ID_ADT75XX)
  1753				stat1 &= 0x1F;
  1754	
  1755			time = iio_get_time_ns(indio_dev);
  1756			if (stat1 & BIT(0))
  1757				iio_push_event(indio_dev,
> 1758					       iio_unmod_event_code(iio_temp, 0,
> 1759								    iio_ev_type_thresh,
> 1760								    iio_ev_dir_rising),
  1761					       time);
  1762			if (stat1 & BIT(1))
  1763				iio_push_event(indio_dev,
  1764					       iio_unmod_event_code(iio_temp, 0,
  1765								    iio_ev_type_thresh,
> 1766								    iio_ev_dir_falling),
  1767					       time);
  1768			if (stat1 & BIT(2))
  1769				iio_push_event(indio_dev,
  1770					       iio_unmod_event_code(iio_temp, 1,
  1771								    iio_ev_type_thresh,
  1772								    iio_ev_dir_rising),
  1773					       time);
  1774			if (stat1 & BIT(3))
  1775				iio_push_event(indio_dev,
  1776					       iio_unmod_event_code(iio_temp, 1,
  1777								    iio_ev_type_thresh,
  1778								    iio_ev_dir_falling),
  1779					       time);
  1780			if (stat1 & BIT(5))
  1781				iio_push_event(indio_dev,
> 1782					       iio_unmod_event_code(iio_voltage, 1,
  1783								    iio_ev_type_thresh,
> 1784								    iio_ev_dir_either),
  1785					       time);
  1786			if (stat1 & BIT(6))
  1787				iio_push_event(indio_dev,

---
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