From: Arnd Bergmann <arnd@xxxxxxxx> When CONFIG_INPUT is disabled, this driver now fails to link: ld.lld: error: undefined symbol: devm_input_allocate_device >>> referenced by system76_acpi.c >>> platform/x86/system76_acpi.o:(system76_add) in archive drivers/built-in.a ld.lld: error: undefined symbol: input_set_capability >>> referenced by system76_acpi.c >>> platform/x86/system76_acpi.o:(system76_add) in archive drivers/built-in.a ld.lld: error: undefined symbol: devm_hwmon_device_register_with_info >>> referenced by system76_acpi.c >>> platform/x86/system76_acpi.o:(system76_add) in archive drivers/built-in.a ld.lld: error: undefined symbol: battery_hook_unregister >>> referenced by system76_acpi.c >>> platform/x86/system76_acpi.o:(system76_remove) in archive drivers/built-in.a Add Kconfig dependencies for each of these three. Fixes: 0de30fc684b3 ("platform/x86: system76_acpi: Replace Fn+F2 function for OLED models") Fixes: 95563d45b5da ("platform/x86: system76_acpi: Report temperature and fan speed") Fixes: 76f7eba3e0a2 ("platform/x86: system76_acpi: Add battery charging thresholds") Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> --- drivers/platform/x86/Kconfig | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index 56bcf80da60a..c422ee785c56 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -923,6 +923,9 @@ config SONYPI_COMPAT config SYSTEM76_ACPI tristate "System76 ACPI Driver" depends on ACPI + depends on ACPI_BATTERY + depends on HWMON + depends on INPUT select NEW_LEDS select LEDS_CLASS select LEDS_TRIGGERS -- 2.29.2