add twl60xx low battery detection function at rk30_phone_defconfig.

diff --git a/arch/arm/configs/rk30_phone_defconfig b/arch/arm/configs/rk30_phone_defconfig
index 0df6d431c3ab6d24f74db5e3632a961c2e4a2096..00b8439ef87b7a17e1a7230e4ba6eb9f481fb1cd 100755 (executable)
--- a/arch/arm/configs/rk30_phone_defconfig
+++ b/arch/arm/configs/rk30_phone_defconfig
@@ -269,6 +269,7 @@ CONFIG_SPI_FPGA_GPIO_IRQ_NUM=0
 CONFIG_POWER_SUPPLY=y
 CONFIG_TWL6030_BCI_BATTERY=y
 CONFIG_POWER_ON_CHARGER_DISPLAY=y
+CONFIG_TWL60xx_VBAT_LOW_DETECTION=y
 # CONFIG_HWMON is not set
 CONFIG_TWL4030_CORE=y
 CONFIG_TWL6030_POWEROFF=y