Re: [PATCH v3 2/2] iio: light: Add support for TI OPT4060 color sensor

[kernel test robot]

Hi Per-Daniel,

kernel test robot noticed the following build warnings:

[auto build test WARNING on eca631b8fe808748d7585059c4307005ca5c5820]

url:    https://github.com/intel-lab-lkp/linux/commits/Per-Daniel-Olsson/dt-bindings-iio-light-Document-TI-OPT4060-RGBW-sensor/20241015-224128
base:   eca631b8fe808748d7585059c4307005ca5c5820
patch link:    https://lore.kernel.org/r/20241015143713.2017626-3-perdaniel.olsson%40axis.com
patch subject: [PATCH v3 2/2] iio: light: Add support for TI OPT4060 color sensor
config: powerpc64-randconfig-r063-20241017 (https://download.01.org/0day-ci/archive/20241017/202410171258.CFrNPzC1-lkp@xxxxxxxxx/config)
compiler: clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241017/202410171258.CFrNPzC1-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410171258.CFrNPzC1-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/iio/light/opt4060.c:836:2: warning: label at end of compound statement is a C2x extension [-Wc2x-extensions]
     836 |         }
         |         ^
   1 warning generated.


vim +836 drivers/iio/light/opt4060.c

   807	
   808	static int opt4060_write_event(struct iio_dev *indio_dev,
   809				       const struct iio_chan_spec *chan,
   810				       enum iio_event_type type,
   811				       enum iio_event_direction dir,
   812				       enum iio_event_info info,
   813				       int val, int val2)
   814	{
   815		struct opt4060_chip *chip = iio_priv(indio_dev);
   816	
   817		switch (info) {
   818		case IIO_EV_INFO_VALUE:
   819			if (chan->type == IIO_INTENSITY && type == IIO_EV_TYPE_THRESH) {
   820				u32 th_lo, th_hi;
   821	
   822				if (opt4060_get_thresholds(chip, &th_lo, &th_hi))
   823					return -EFAULT;
   824				if (dir == IIO_EV_DIR_FALLING)
   825					th_lo = val;
   826				else if (dir == IIO_EV_DIR_RISING)
   827					th_hi = val;
   828				if (opt4060_set_thresholds(chip, th_lo, th_hi))
   829					return -EFAULT;
   830				return 0;
   831			}
   832			break;
   833		case IIO_EV_INFO_PERIOD:
   834			return opt4060_write_ev_period(chip, val, val2);
   835		default:
 > 836		}
   837		return -EINVAL;
   838	}
   839	

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