1 files changed, 4 insertions, 0 deletions

diff --git a/include/linux/platform_data/pwm_fan.h b/include/linux/platform_data/pwm_fan.h
index cf35089ce..a5a874837 100644
--- a/include/linux/platform_data/pwm_fan.h
+++ b/include/linux/platform_data/pwm_fan.h
@@ -36,4 +36,8 @@ struct pwm_fan_platform_data {
         int tach_gpio;
         int pwm_gpio;
 };
+
+#if IS_BUILTIN(CONFIG_PWM_FAN)
+bool is_fan_always_on(struct thermal_cooling_device *cdev);
+#endif
 #endif