[hid:for-7.1/lenovo 14/16] drivers/hid/hid-lenovo-go-s.c:1204:18: sparse: sparse: symbol 'gos_rgb_subled_info' was not declared. Should it be static?

[kernel test robot <lkp@intel.com>]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/hid/hid.git for-7.1/lenovo
head:   d2c424e80caf8237bda4c94bc2e25398967243f9
commit: 550752e2c153663c3a374b048535654073007c90 [14/16] HID: hid-lenovo-go-s: Add RGB LED control interface
config: arc-randconfig-r113-20260307 (https://download.01.org/0day-ci/archive/20260308/202603081333.9m9vOhOR-lkp@intel.com/config)
compiler: arc-linux-gcc (GCC) 13.4.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260308/202603081333.9m9vOhOR-lkp@intel.com/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@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202603081333.9m9vOhOR-lkp@intel.com/

sparse warnings: (new ones prefixed by >>)
   drivers/hid/hid-lenovo-go-s.c:522:72: sparse: sparse: Using plain integer as NULL pointer
   drivers/hid/hid-lenovo-go-s.c:694:67: sparse: sparse: Using plain integer as NULL pointer
   drivers/hid/hid-lenovo-go-s.c:765:63: sparse: sparse: Using plain integer as NULL pointer
   drivers/hid/hid-lenovo-go-s.c:909:71: sparse: sparse: Using plain integer as NULL pointer
   drivers/hid/hid-lenovo-go-s.c:964:74: sparse: sparse: Using plain integer as NULL pointer
   drivers/hid/hid-lenovo-go-s.c:1058:21: sparse: sparse: symbol 'gamepad_poll_rate' was not declared. Should it be static?
   drivers/hid/hid-lenovo-go-s.c:1084:21: sparse: sparse: symbol 'imu_sensor_enabled' was not declared. Should it be static?
   drivers/hid/hid-lenovo-go-s.c:1120:21: sparse: sparse: symbol 'mouse_wheel_step' was not declared. Should it be static?
   drivers/hid/hid-lenovo-go-s.c:1140:21: sparse: sparse: symbol 'touchpad_linux_mode' was not declared. Should it be static?
   drivers/hid/hid-lenovo-go-s.c:1144:21: sparse: sparse: symbol 'touchpad_windows_mode' was not declared. Should it be static?
>> drivers/hid/hid-lenovo-go-s.c:1204:18: sparse: sparse: symbol 'gos_rgb_subled_info' was not declared. Should it be static?
>> drivers/hid/hid-lenovo-go-s.c:1225:24: sparse: sparse: symbol 'gos_cdev_rgb' was not declared. Should it be static?
   drivers/hid/hid-lenovo-go-s.c:1241:72: sparse: sparse: Using plain integer as NULL pointer
   drivers/hid/hid-lenovo-go-s.c:1248:73: sparse: sparse: Using plain integer as NULL pointer
   drivers/hid/hid-lenovo-go-s.c:523:21: sparse: sparse: unsigned value that used to be signed checked against zero?
   drivers/hid/hid-lenovo-go-s.c:522:33: sparse: signed value source

vim +/gos_rgb_subled_info +1204 drivers/hid/hid-lenovo-go-s.c

  1203	
> 1204	struct mc_subled gos_rgb_subled_info[] = {
  1205		{
  1206			.color_index = LED_COLOR_ID_RED,
  1207			.brightness = 0x50,
  1208			.intensity = 0x24,
  1209			.channel = 0x1,
  1210		},
  1211		{
  1212			.color_index = LED_COLOR_ID_GREEN,
  1213			.brightness = 0x50,
  1214			.intensity = 0x22,
  1215			.channel = 0x2,
  1216		},
  1217		{
  1218			.color_index = LED_COLOR_ID_BLUE,
  1219			.brightness = 0x50,
  1220			.intensity = 0x99,
  1221			.channel = 0x3,
  1222		},
  1223	};
  1224	
> 1225	struct led_classdev_mc gos_cdev_rgb = {
  1226		.led_cdev = {
  1227			.name = "go_s:rgb:joystick_rings",
  1228			.brightness = 0x50,
  1229			.max_brightness = 0x64,
  1230			.brightness_set = hid_gos_brightness_set,
  1231		},
  1232		.num_colors = ARRAY_SIZE(gos_rgb_subled_info),
  1233		.subled_info = gos_rgb_subled_info,
  1234	};
  1235	

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