Luo Yu,
IPNC RDK的kernel软件有添加GPIO来判断sd卡的插拔,DM8127/DM385的SD接口和DM8168是类似的。
请参考:
http://arago-project.org/git/projects/?p=linux-ipnc-rdk-dm81xx.git;a=commit;h=f14b714cfb14f2cb2d347f18b58eeacb5e38aae2
IPNC : MMC/SD support modifications for DM8127 and DM385 Hardwa…