Input: applespi - fix warnings detected by sparse

This makes sure that we convert from on-wire to CPU endianness in
applespi_debug_update_dimensions() and also marks as "static" as it is not
needed to be visible outside of the driver.
Reported-by: kbuild test robot <lkp@intel.com>
Signed-off-by: Ronald Tschalär <ronald@innovation.ch>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/keyboard/applespi.c

@@ -944,10 +944,14 @@ static inline int le16_to_int(__le16 x)
 static void applespi_debug_update_dimensions(struct applespi_data *applespi,
 					     const struct tp_finger *f)
 {
-	applespi->tp_dim_min_x = min_t(int, applespi->tp_dim_min_x, f->abs_x);
-	applespi->tp_dim_max_x = max_t(int, applespi->tp_dim_max_x, f->abs_x);
-	applespi->tp_dim_min_y = min_t(int, applespi->tp_dim_min_y, f->abs_y);
-	applespi->tp_dim_max_y = max_t(int, applespi->tp_dim_max_y, f->abs_y);
+	applespi->tp_dim_min_x = min(applespi->tp_dim_min_x,
+				     le16_to_int(f->abs_x));
+	applespi->tp_dim_max_x = max(applespi->tp_dim_max_x,
+				     le16_to_int(f->abs_x));
+	applespi->tp_dim_min_y = min(applespi->tp_dim_min_y,
+				     le16_to_int(f->abs_y));
+	applespi->tp_dim_max_y = max(applespi->tp_dim_max_y,
+				     le16_to_int(f->abs_y));
 }
 
 static int applespi_tp_dim_open(struct inode *inode, struct file *file)
@@ -1611,8 +1615,8 @@ static void applespi_save_bl_level(struct applespi_data *applespi,
 	efi_attr = EFI_VARIABLE_NON_VOLATILE | EFI_VARIABLE_BOOTSERVICE_ACCESS |
 		   EFI_VARIABLE_RUNTIME_ACCESS;
 
-	sts = efivar_entry_set_safe(EFI_BL_LEVEL_NAME, efi_guid, efi_attr, true,
-				    efi_data_len, &efi_data);
+	sts = efivar_entry_set_safe((efi_char16_t *)EFI_BL_LEVEL_NAME, efi_guid,
+				    efi_attr, true, efi_data_len, &efi_data);
 	if (sts)
 		dev_warn(&applespi->spi->dev,
 			 "Error saving backlight level to EFI vars: %d\n", sts);
@@ -1953,7 +1957,7 @@ static const struct acpi_device_id applespi_acpi_match[] = {
 };
 MODULE_DEVICE_TABLE(acpi, applespi_acpi_match);
 
-const struct dev_pm_ops applespi_pm_ops = {
+static const struct dev_pm_ops applespi_pm_ops = {
 	SET_SYSTEM_SLEEP_PM_OPS(applespi_suspend, applespi_resume)
 	.poweroff_late	= applespi_poweroff_late,
 };