On Fri, Mar 18, 2022 at 10:07:51AM -0700, Guenter Roeck wrote: > On Mon, Mar 14, 2022 at 05:08:35PM +0800, Tzung-Bi Shih wrote: > > @@ -142,6 +142,12 @@ config CROS_KBD_LED_BACKLIGHT_ACPI > > help > > ChromeOS keyboard backlight ACPI backend. > > > > +config CROS_KBD_LED_BACKLIGHT_EC_PWM > > + tristate "ChromeOS keyboard backlight EC PWM backend" > > This is not a standa-alone module and should therefore be bool, > not tristate. Ack. > > @@ -123,34 +130,122 @@ static const struct keyboard_led_drvdata keyboard_led_drvdata_acpi = { > > > > #endif /* IS_ENABLED(CONFIG_CROS_KBD_LED_BACKLIGHT_ACPI) */ > > > > +#if IS_ENABLED(CONFIG_CROS_KBD_LED_BACKLIGHT_EC_PWM) > > #ifdef (with bool) should do. Ack. Will apply the fix for CONFIG_CROS_KBD_LED_BACKLIGHT_ACPI too.