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| | |-+  Sansа Clip Zip - Improve battery life
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Author Topic: Sansа Clip Zip - Improve battery life  (Read 90031 times)

Offline johnb

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Re: Sansа Clip Zip - Improve battery life
« Reply #150 on: January 30, 2015, 06:20:17 AM »
Quote from: saratoga on January 26, 2015, 12:32:58 PM
The latest patch is here:

http://gerrit.rockbox.org/r/#/c/1062/

Here is one other build, which is similar to the others (clock changes) but no boosting:

http://mit.edu/mgg6/www/rockbox-fuzev2.7z

Hi saratoga,

I am testing this (Version: 64f4518M-150126) at the moment and haven't found any problems so far.

Is there anything particular I should test or look out for? Anything where you would expect potential problems?
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Offline saratoga

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Re: Sansа Clip Zip - Improve battery life
« Reply #151 on: January 30, 2015, 11:55:19 AM »
Quote from: johnb on January 30, 2015, 06:20:17 AM
Is there anything particular I should test or look out for? Anything where you would expect potential problems?

No, just having it work at all is interesting.  Here is one more, this time with frequency scaling enabled:

http://mit.edu/mgg6/www/rockbox-fuzev2-3.7z

Probably it won't work. 
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Offline Bryanhoop

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Re: Sansа Clip Zip - Improve battery life
« Reply #152 on: January 30, 2015, 05:12:21 PM »
I'm a little confused about the new patches. Are they in the gerrit yet? Also can
Code: [Select]
Enable frequency and voltage scaling on the AMSv2 devices.
Change-Id: I41a15351a418677fabf1fd2578afc948b3837682
be rebased so I can cherry pick it easily? Something is conflicting.
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Offline saratoga

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Re: Sansа Clip Zip - Improve battery life
« Reply #153 on: January 30, 2015, 05:19:45 PM »
I didn't push any of the clock settings that didn't boot, so the version on gerrit is the most current.

It doesn't merge because the audio changes were already committed separately.  Just ignore those. 
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Offline johnb

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Re: Sansа Clip Zip - Improve battery life
« Reply #154 on: January 31, 2015, 10:15:00 AM »
Quote from: johnb on January 30, 2015, 06:20:17 AM
Quote from: saratoga on January 26, 2015, 12:32:58 PM
The latest patch is here:

http://gerrit.rockbox.org/r/#/c/1062/

Here is one other build, which is similar to the others (clock changes) but no boosting:

http://mit.edu/mgg6/www/rockbox-fuzev2.7z

Hi saratoga,

I am testing this (Version: 64f4518M-150126) at the moment and haven't found any problems so far.


This is pretty stable for me. Only once the UI froze while skipping at a fast pace through the current playlist, but I could not reproduce this.
Apart from this single occasion, no problems found.
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Offline johnb

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Re: Sansа Clip Zip - Improve battery life
« Reply #155 on: January 31, 2015, 10:22:03 AM »
Quote from: saratoga on January 30, 2015, 11:55:19 AM

No, just having it work at all is interesting.  Here is one more, this time with frequency scaling enabled:

http://mit.edu/mgg6/www/rockbox-fuzev2-3.7z

Probably it won't work.

Starting from recent bookmarks I can play songs without a problem, FF,  skip through the current playlist.

But walking through the menus or using the file browser, the player either freezes (e.g. at selection of an item) or crashes ( Undef. instruction @ 300C7BF8 ...).

FWIW: mine is a Fuze V2, AMSV2  variant 0
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Offline PagaN

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Re: Sansа Clip Zip - Improve battery life
« Reply #156 on: February 04, 2015, 11:52:40 AM »
Hello saratoga.
I want to try using LATEST (Improved battery life) firmware on my Clip Zip please give me download link.
p.s. i don't know how to use patches.
Thank You.
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Offline saratoga

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Re: Sansа Clip Zip - Improve battery life
« Reply #157 on: February 04, 2015, 12:28:16 PM »
If you don't want to compile yourself you can use the download link I posted above. 
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Offline Bryanhoop

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Re: Sansа Clip Zip - Improve battery life
« Reply #158 on: February 04, 2015, 02:37:02 PM »
Quote from: PagaN on February 04, 2015, 11:52:40 AM
Hello saratoga.
I want to try using LATEST (Improved battery life) firmware on my Clip Zip please give me download link.
p.s. i don't know how to use patches.
Thank You.

This is 8aa72f0 for the Clip Zip, plus:

1. voltage/frequency scaling
2. context-sensitive backlight setting patch

https://www.dropbox.com/s/gjjvfk3kkz72dcd/rockbox.zip?dl=0
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Offline saratoga

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Re: Sansа Clip Zip - Improve battery life
« Reply #159 on: February 04, 2015, 02:40:34 PM »
Or that, although it has the unrelated backlight patch as well.
« Last Edit: February 04, 2015, 03:55:24 PM by saratoga »
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Offline saratoga

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Re: Sansа Clip Zip - Improve battery life
« Reply #160 on: February 04, 2015, 03:54:38 PM »
One more fuzev2 patch:

http://mit.edu/mgg6/www/rockbox-fuzev2-4.7z

Same as the above, but this one disables all voltage scaling in case that was the reason it froze on menus. 
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Offline PagaN

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Re: Sansа Clip Zip - Improve battery life
« Reply #161 on: February 07, 2015, 04:09:32 AM »
Quote from: Bryanhoop on February 04, 2015, 02:37:02 PM

This is 8aa72f0 for the Clip Zip, plus:

1. voltage/frequency scaling
2. context-sensitive backlight setting patch

https://www.dropbox.com/s/gjjvfk3kkz72dcd/rockbox.zip?dl=0

Well I tested firmwares on my 2 year used ClipZip 4gb 100% charged,
16gb MicroSD full of mp3 files on standard sansa headphones volume (-15dB)

rockbox-KnK_battery_save_v5 [19f4e39M-141206] (16:38h) by Mihail Zenkov
http://forums.rockbox.org/index.php/topic,48368.msg230716.html#msg230716

8aa72f0-150203 (11:36h - official dev build)
8aa72f0-150203 (9:28h by Bryanhoop) seems broken build  :'(

rockbox-clipzip_8be93b7M-141208(16:40h by saratoga) not so stable 3 times gives error and shutdown player
http://forums.rockbox.org/index.php/topic,48549.msg230749.html#msg230749
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Offline Mihail Zenkov

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Re: Sansа Clip Zip - Improve battery life
« Reply #162 on: February 07, 2015, 06:17:41 AM »
PagaN:
Latest build with all patches for clip zip: http://gdurl.com/c_OQ/download
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Offline rbert

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Re: Sansа Clip Zip - Improve battery life
« Reply #163 on: February 07, 2015, 02:24:45 PM »
Quote from: saratoga on February 04, 2015, 03:54:38 PM
One more fuzev2 patch:

http://mit.edu/mgg6/www/rockbox-fuzev2-4.7z

Same as the above, but this one disables all voltage scaling in case that was the reason it froze on menus.
thanks, I get no crashes with this build.
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Offline saratoga

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Re: Sansа Clip Zip - Improve battery life
« Reply #164 on: February 07, 2015, 02:35:09 PM »
Thats good to know. I'm traveling so I cannot put up test builds for a few days. Does anyone want to try raising the voltages one by one and see which one was set too low?
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