I have a questions here. How do I set hardware clock via command line? In 
linux, I use hwclock tools but it's not avaiable in Android. 
Can you show me a solutions for this? Set hardware clock and sync it to 
system clock in Android? Thanks for your reading???

Vào 18:33:30 UTC+7 Thứ năm, ngày 20 tháng sáu năm 2013, kavitha đã viết:
>
> yes Disable the RTC of the chip in the defconfig then the PMIC RTC becomes 
> the default rtc0
> Or changing the order of the drivers in the Makefile should reverse 
> pmic rtc->rtc0
> chip rtc ->rtc1
>
> Usually hwclock opens you open the /dev/rtc0 
>
>
> Thanks,
> Kavitha
>
>
>
> On Thu, Jun 20, 2013 at 4:44 PM, Vishveshwar <[email protected] 
> <javascript:>> wrote:
>
>> On Monday, June 17, 2013 2:51:50 AM UTC+5:30, [email protected] wrote:
>>>
>>> Hi All,
>>> I'm working on porting* android (2.3.3)* to some arm device and on that 
>>> device I have two different *Real Time Clocks (RTCs)*. First one comes 
>>> from processor and the second comes from PMIC.
>>> In my system I see them in the path* /sys/class/rtc/rtc0* and* 
>>> /sys/class/rtc/rtc1*.
>>>
>>> On default Android system time is taken from the first RTC (rtc0). What 
>>> is more, setting time and date in Android Settings changes exactly that 
>>> clock.
>>>
>>> I want to switch it to the second clock. I know how to do it from one 
>>> direction - how to set system time from rtc1 (compile parameter for 
>>> kernel), but I don't know how to change RTC standing behind* Settings 
>>> -> Change Date and Time* option in user interface. In other words, I 
>>> want to change time and date from user interface of second RTC (rtc1, not 
>>> rtc0 as in default).
>>>
>>
>> Is it not possible to disable the processor RTC in kernel config? That 
>> way the PMIC RTC becomes default.
>>
>> -Vishveshwar
>>
>>>
>>> How can I do it?
>>>
>>> Thanks for help.
>>>
>>> chaqi 
>>>
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