[Letux-kernel] Suspend power consumption higher with 4.20.0-letux+ than 4.19.0-rc7-letux+

jake42 at rommelwood.de jake42 at rommelwood.de
Tue Jan 8 08:37:45 CET 2019


Hi,

7. Januar 2019 23:34, "Andreas Kemnade" <andreas at kemnade.info> schrieb:

> Hi,
> 
> On Mon, 7 Jan 2019 06:48:00 +0100
> Andreas Kemnade <andreas at kemnade.info> wrote:
> 
>> Hi,
>> 
>> On Sun, 06 Jan 2019 20:23:56 +0100
>> Jake <jake42 at rommelwood.de> wrote:
>> 
>> Hi Andreas,
>> 
>> On Sat, 2019-01-05 at 10:33 +0100, Andreas Kemnade wrote:
>>> 
>>> 
>>> not something I am aware of. First check whether it is something
>>> sporadic e.g. because of gsm reregistering all the time.
>>> 
>>> That number sounds like a running gps device.
>>> 
>>> Is it GTA04A4 or A5?
>>> 
>> It's a GTA04A4. I left it with the 4.20 over night at the usual place
>> and it showed 76 mA current. How do I check if gps is running?
>> 
>> well, rfkill does not do a good job here since it displays only what the
>> kernel thinks the state of the lna supply is.
>> The usual way to find out is to use module blacklisting. But Qtmoko might freak
>> out if too many things are not working.
> 
> considered guiltily: hci_uart in simple h4 mode.
> It does not have such effects on gta04a5.
I can confirm that blacklisting hci_uart brings it back to about 20 mA.
> 
> Hmm, you do not have bluetooth enabled on the 4.19 kernel.
> I guess the situation is the same then.
> The difference is that you do not need to call hciattach in 4.20.
> This issue was not on my radar...
> 
> Regrads,
> Andreas

Thanks for the help and contiued work on gta04 kernel
Jakob


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