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dm8148 i2c Connection timed out



hi all:

   我使用8148,最近使用i2c控制数字电位器,我在没有load.sh之前操作没有问题,当我load各个核后,就会出现不能操作i2c设备 omap_i2c omap_i2c.1: controller timed out的情况。我不是在dvr_rdk中操作的,我是单独操作的,请问load会将所有i2c总线上的设备暂用或加锁吗?