diff --git a/arch/arm/mach-rk30/board-rk30-sdk.c b/arch/arm/mach-rk30/board-rk30-sdk.c
index b0eceb8b103b..a4252b601060 100755
--- a/arch/arm/mach-rk30/board-rk30-sdk.c
+++ b/arch/arm/mach-rk30/board-rk30-sdk.c
@@ -1036,7 +1036,7 @@ struct rk29_sdmmc_platform_data default_sdmmc1_data = {
         .iomux          = {
             .name       = RK29SDK_SD_CARD_DETECT_PIN_NAME,
             .fgpio      = RK29SDK_SD_CARD_DETECT_IOMUX_FGPIO,
-            .fmux       = GPIO3B_SDMMC0_DETECT_N,
+            .fmux       = RK29SDK_SD_CARD_DETECT_IOMUX_FMUX,
         },
     },