[sven:wip/smc-hid 21/22] drivers/input/misc/macsmc-hid.c:39:3: error: expected expression

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/sven/linux.git wip/smc-hid
head:   85195bb074dd61b098eb62a878369dd5c4815832
commit: ee13e23037b7b78af00901c86613bf572b53baf3 [21/22] Input: macsmc-hid: New driver to handle the Apple Mac SMC buttons/lid
config: riscv-allyesconfig (https://download.01.org/0day-ci/archive/20250527/202505270847.kK2FpmSF-lkp@intel.com/config)
compiler: clang version 16.0.6 (https://github.com/llvm/llvm-project 7cbf1a2591520c2491aa35339f227775f4d3adf6)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250527/202505270847.kK2FpmSF-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/202505270847.kK2FpmSF-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/input/misc/macsmc-hid.c:39:3: error: expected expression
                   u8 button = (event >> 8) & 0xff;
                   ^
>> drivers/input/misc/macsmc-hid.c:41:11: error: use of undeclared identifier 'button'
                   switch (button) {
                           ^
   drivers/input/misc/macsmc-hid.c:76:3: error: expected expression
                   u8 lid_state = !!((event >> 8) & 0xff);
                   ^
>> drivers/input/misc/macsmc-hid.c:77:31: error: use of undeclared identifier 'lid_state'; did you mean 'node_state'?
                   if (smchid->wakeup_mode && !lid_state) {
                                               ^~~~~~~~~
                                               node_state
   include/linux/nodemask.h:427:28: note: 'node_state' declared here
   static __always_inline int node_state(int node, enum node_states state)
                              ^
   drivers/input/misc/macsmc-hid.c:77:31: warning: address of function 'node_state' will always evaluate to 'true' [-Wpointer-bool-conversion]
                   if (smchid->wakeup_mode && !lid_state) {
                                              ~^~~~~~~~~
   drivers/input/misc/macsmc-hid.c:77:31: note: prefix with the address-of operator to silence this warning
                   if (smchid->wakeup_mode && !lid_state) {
                                               ^
                                               &
   drivers/input/misc/macsmc-hid.c:81:46: error: use of undeclared identifier 'lid_state'; did you mean 'node_state'?
                   input_report_switch(smchid->input, SW_LID, lid_state);
                                                              ^~~~~~~~~
                                                              node_state
   include/linux/nodemask.h:427:28: note: 'node_state' declared here
   static __always_inline int node_state(int node, enum node_states state)
                              ^
   1 warning and 5 errors generated.


vim +39 drivers/input/misc/macsmc-hid.c

    31	
    32	static int macsmc_hid_event(struct notifier_block *nb, unsigned long event, void *data)
    33	{
    34		struct macsmc_hid *smchid = container_of(nb, struct macsmc_hid, nb);
    35		u16 type = event >> 16;
    36	
    37		switch (type) {
    38		case SMC_EV_BTN:
  > 39			u8 button = (event >> 8) & 0xff;
    40			u8 state = !!(event & 0xff);
  > 41			switch (button) {
    42			case BTN_POWER:
    43			case BTN_TOUCHID:
    44				if (smchid->wakeup_mode) {
    45					if (state) {
    46						dev_info(smchid->dev, "Button wakeup\n");
    47						pm_wakeup_hard_event(smchid->dev);
    48					}
    49				} else {
    50					input_report_key(smchid->input, KEY_POWER, state);
    51					input_sync(smchid->input);
    52				}
    53				break;
    54			case BTN_POWER_HELD2:
    55				/*
    56				 * If we get here, we have about 4 seconds before forced shutdown.
    57				 * Try to do an emergency shutdown to make sure the NVMe cache is
    58				 * flushed. macOS actually does this by panicing (!)...
    59				 */
    60				if (state) {
    61					dev_crit(smchid->dev, "Triggering forced shutdown!\n");
    62					if (kernel_can_power_off())
    63						kernel_power_off();
    64					else /* Missing macsmc-reboot driver? */
    65						kernel_restart("SMC power button triggered restart");
    66				}
    67				break;
    68			case BTN_POWER_HELD1: /* power button held down; ignore */
    69				break;
    70			default:
    71				dev_warn(smchid->dev, "Unknown SMC button event: %04lx\n", event & 0xffff);
    72				break;
    73			}
    74			return NOTIFY_OK;
    75		case SMC_EV_LID:
    76			u8 lid_state = !!((event >> 8) & 0xff);
  > 77			if (smchid->wakeup_mode && !lid_state) {
    78				dev_info(smchid->dev, "Lid wakeup\n");
    79				pm_wakeup_hard_event(smchid->dev);
    80			}
    81			input_report_switch(smchid->input, SW_LID, lid_state);
    82			input_sync(smchid->input);
    83			return NOTIFY_OK;
    84		}
    85	
    86		return NOTIFY_DONE;
    87	}
    88	

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