ARM: rockchip: fix compilation error when SENSORS_ROCKCHIP_TSADC is not selected

diff --git a/include/linux/rockchip/common.h b/include/linux/rockchip/common.h
index abe824ecaa340f9c72b0fe5d0aeb73e3f695d8b0..b830fbe1cf863e12c0d5b1536ca13c6ec57fbb66 100644 (file)
--- a/include/linux/rockchip/common.h
+++ b/include/linux/rockchip/common.h
@@ -58,4 +58,10 @@ extern int rockchip_set_system_status(unsigned long status);
 extern int rockchip_clear_system_status(unsigned long status);
 extern unsigned long rockchip_get_system_status(void);
 
+#if IS_ENABLED(CONFIG_SENSORS_ROCKCHIP_TSADC)
+extern int rockchip_tsadc_get_temp(int chn);
+#else
+static inline int rockchip_tsadc_get_temp(int chn) { return 0; }
+#endif
+
 #endif