Re: [PATCH] lis3lv02d: switch to using input device polling mode

[kbuild test robot]

Hi Dmitry,

I love your patch! Yet something to improve:

[auto build test ERROR on char-misc/char-misc-testing]
[cannot apply to v5.4-rc1 next-20191002]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Dmitry-Torokhov/lis3lv02d-switch-to-using-input-device-polling-mode/20191003-062746
config: xtensa-allyesconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 7.4.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.4.0 make.cross ARCH=xtensa 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>):

   drivers/misc/lis3lv02d/lis3lv02d.c: In function 'lis3lv02d_joystick_enable':
>> drivers/misc/lis3lv02d/lis3lv02d.c:713:8: error: implicit declaration of function 'input_setup_polling'; did you mean 'input_set_capability'? [-Werror=implicit-function-declaration]
     err = input_setup_polling(input_dev, lis3lv02d_joystick_poll);
           ^~~~~~~~~~~~~~~~~~~
           input_set_capability
>> drivers/misc/lis3lv02d/lis3lv02d.c:717:2: error: implicit declaration of function 'input_set_poll_interval'; did you mean 'input_set_abs_params'? [-Werror=implicit-function-declaration]
     input_set_poll_interval(input_dev, MDPS_POLL_INTERVAL);
     ^~~~~~~~~~~~~~~~~~~~~~~
     input_set_abs_params
>> drivers/misc/lis3lv02d/lis3lv02d.c:718:2: error: implicit declaration of function 'input_set_min_poll_interval' [-Werror=implicit-function-declaration]
     input_set_min_poll_interval(input_dev, MDPS_POLL_MIN);
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
>> drivers/misc/lis3lv02d/lis3lv02d.c:719:2: error: implicit declaration of function 'input_set_max_poll_interval'; did you mean 'input_set_capability'? [-Werror=implicit-function-declaration]
     input_set_max_poll_interval(input_dev, MDPS_POLL_MAX);
     ^~~~~~~~~~~~~~~~~~~~~~~~~~~
     input_set_capability
   cc1: some warnings being treated as errors

vim +713 drivers/misc/lis3lv02d/lis3lv02d.c

   671	
   672	int lis3lv02d_joystick_enable(struct lis3lv02d *lis3)
   673	{
   674		struct input_dev *input_dev;
   675		int err;
   676		int max_val, fuzz, flat;
   677		int btns[] = {BTN_X, BTN_Y, BTN_Z};
   678	
   679		if (lis3->idev)
   680			return -EINVAL;
   681	
   682		input_dev = input_allocate_device();
   683		if (!input_dev)
   684			return -ENOMEM;
   685	
   686		input_dev->name       = "ST LIS3LV02DL Accelerometer";
   687		input_dev->phys       = DRIVER_NAME "/input0";
   688		input_dev->id.bustype = BUS_HOST;
   689		input_dev->id.vendor  = 0;
   690		input_dev->dev.parent = &lis3->pdev->dev;
   691	
   692		input_dev->open = lis3lv02d_joystick_open;
   693		input_dev->close = lis3lv02d_joystick_close;
   694	
   695		max_val = (lis3->mdps_max_val * lis3->scale) / LIS3_ACCURACY;
   696		if (lis3->whoami == WAI_12B) {
   697			fuzz = LIS3_DEFAULT_FUZZ_12B;
   698			flat = LIS3_DEFAULT_FLAT_12B;
   699		} else {
   700			fuzz = LIS3_DEFAULT_FUZZ_8B;
   701			flat = LIS3_DEFAULT_FLAT_8B;
   702		}
   703		fuzz = (fuzz * lis3->scale) / LIS3_ACCURACY;
   704		flat = (flat * lis3->scale) / LIS3_ACCURACY;
   705	
   706		input_set_abs_params(input_dev, ABS_X, -max_val, max_val, fuzz, flat);
   707		input_set_abs_params(input_dev, ABS_Y, -max_val, max_val, fuzz, flat);
   708		input_set_abs_params(input_dev, ABS_Z, -max_val, max_val, fuzz, flat);
   709	
   710		input_set_drvdata(input_dev, lis3);
   711		lis3->idev = input_dev;
   712	
 > 713		err = input_setup_polling(input_dev, lis3lv02d_joystick_poll);
   714		if (err)
   715			goto err_free_input;
   716	
 > 717		input_set_poll_interval(input_dev, MDPS_POLL_INTERVAL);
 > 718		input_set_min_poll_interval(input_dev, MDPS_POLL_MIN);
 > 719		input_set_max_poll_interval(input_dev, MDPS_POLL_MAX);
   720	
   721		lis3->mapped_btns[0] = lis3lv02d_get_axis(abs(lis3->ac.x), btns);
   722		lis3->mapped_btns[1] = lis3lv02d_get_axis(abs(lis3->ac.y), btns);
   723		lis3->mapped_btns[2] = lis3lv02d_get_axis(abs(lis3->ac.z), btns);
   724	
   725		err = input_register_device(lis3->idev);
   726		if (err)
   727			goto err_free_input;
   728	
   729		return 0;
   730	
   731	err_free_input:
   732		input_free_device(input_dev);
   733		lis3->idev = NULL;
   734		return err;
   735	

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