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The problem of RTC on Android6.0

Question asked by peng xingwei on Apr 17, 2018
Latest reply on Apr 17, 2018 by peng xingwei

Hi,

    My platform is Android6.0(the kernel version is linux 4.1.15), the rtc is pcf8563, so the driver is rtc-pcf8563, but I found a problem that the time can't save and the time is 1970-1-1 8:00 after the sytem startup every time, the start log as follow about pcf8563:

 

rtc-pcf8563 2-0051: low voltage detected, date/time is not reliable.
rtc-pcf8563 2-0051: rtc core: registered rtc-pcf8563 as rtc0

 

rtc-pcf8563 2-0051: low voltage detected, date/time is not reliable.
rtc-pcf8563 2-0051: hctosys: unable to read the hardware clock

 how to slove the problem? Thanks !

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