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-   Maemo 5 / Fremantle (https://talk.maemo.org/forumdisplay.php?f=40)
-   -   SmartReflex- Battery Enhancement - The right way? (https://talk.maemo.org/showthread.php?t=49228)

Spotfist 2010-04-05 19:14
Re: SmartReflex- Battery Enhancement - The right way?
 
so this works and increases battery life by 50% yet no1 has decided to create an app and the only graph shows that there isn't much change, could I be more confused? :(

gabby131 2010-04-05 19:17
Re: SmartReflex- Battery Enhancement - The right way?
 
Quote:
Originally Posted by Venemo (Post 596643)
I enabled SmartReflex with the pmconfig setting (and rebooting) a few weeks ago.
I set both vdd1 and vdd2 to 1.

It is rock stable and the battery life seems to have improved.
wow good one! :D

i change mine by.....uh.....echo -n 1 /sys/power/sr_vdd1_autocomp same in vdd2.

after 3 re-boots comes the problem that a re-flash is needed :eek:

and now im afraid to do that again, well if a pro will guarantee that it wont happen again if i re-enable smartreflex, maybe i'll give it another try.

hqh 2010-04-05 19:19
Re: SmartReflex- Battery Enhancement - The right way?
 
Quote:
Originally Posted by Spotfist (Post 596695)
so this works and increases battery life by 50% yet no1 has decided to create an app and the only graph shows that there isn't much change, could I be more confused? :(
You missed the part(s) that said IT DOES NOT WORK FOR EVERYONE. Also I haven't seen anyone do any battery life comparisons that would be statistically valid.

egoshin 2010-04-06 00:00
Re: SmartReflex- Battery Enhancement - The right way?
 
To anybody, who doesn't see SmartReflex effect -

if you use 'echo' command, please put a space between digit 1 and sign '>'.

Or just enclose digit 1 in double quotes like "1"

Reason: shell uses a combination 1> differently if you haven't space in between. You can verify the effect by

cat /sys/power/sr_vdd1_autocomp

egoshin 2010-04-06 00:03
Re: SmartReflex- Battery Enhancement - The right way?
 
Quote:
Originally Posted by mattiviljanen (Post 595924)
To add insult to injury, I think the correct code should be

echo -n "1" >/sys/power/sr_vdd2_autocomp
echo -n "1" >/sys/power/sr_vdd1_autocomp

The -n flag makes echo not print a newline after the string.

YMMV...
The newline is handled properly by kernel, don't worry.

craftyguy 2010-04-06 00:24
Re: SmartReflex- Battery Enhancement - The right way?
 
This thread would have been more useful as a poll, gathering information about which users implemented this and had issues vs had no issues..

calltrace 2010-04-06 00:32
Re: SmartReflex- Battery Enhancement - The right way?
 
Ok :)
Have enabled it via pmconfig for two days without problems
(PR1.1 ,60 for swappiness )
No just flahed 800MHz kernel - still no issues ....will post w/o SR batterry graph if i will have some time

Venemo 2010-04-06 09:58
Re: SmartReflex- Battery Enhancement - The right way?
 
Quote:
Originally Posted by gabby131 (Post 596699)
wow good one! :D

i change mine by.....uh.....echo -n 1 /sys/power/sr_vdd1_autocomp same in vdd2.

after 3 re-boots comes the problem that a re-flash is needed :eek:

and now im afraid to do that again, well if a pro will guarantee that it wont happen again if i re-enable smartreflex, maybe i'll give it another try.
Perhaps editing the pmconfig is more stable than the echo commands.

fhofer 2010-04-06 16:40
Re: SmartReflex- Battery Enhancement - The right way?
 
Anybody knows what the two individual SmartReflex properties are good for? There is some infornation what it does in general, but why are there two properties? Would it make sense to turn on just one of them? (This could be an option for those who have issues with both of the properties on) ...

craftyguy 2010-04-06 16:43
Re: SmartReflex- Battery Enhancement - The right way?
 
Quote:
Originally Posted by fhofer (Post 597939)
Anybody knows what the two individual SmartReflex properties are good for? There is some infornation what it does in general, but why are there two properties? Would it make sense to turn on just one of them? (This could be an option for those who have issues with both of the properties on) ...
Here's what TI has to say about SmartReflex: link


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