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Author Topic: Improve Battery Life on AMSv1 Sansa players  (Read 1690 times)

Offline johnb

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Improve Battery Life on AMSv1 Sansa players
« on: September 22, 2017, 09:35:22 AM »
I recently bought a used Sansa Fuze (v1), but was not really happy with a RB battery runtime of  10:25:17h.
On flyspray I found FS#11765 https://www.rockbox.org/tracker/task/11765 - "Improve Battery Life on AMSv1 Sansa players" and applied the latest patch "24.8-186MHz.patch", which gave me 18:20:26h.
As this patch was sitting there since 2010 without much comments - except for one complaint about SD issues- I rebased it and put it on gerrit for more people to try and give feedback:
http://gerrit.rockbox.org/r/#/c/1657/

A build for Sansa Fuze is here: http://www.mediafire.com/file/zlax9bwv9dcrc2i/rockbox.fuze.142f80fM-170905.g%231657.zip

I have been using this for 2 weeks (just audio playback, radio; no plugins, video). I worked fine,  but I had two incidents on the last two days, i.e. mp3 playback (from sdcard) paused, then the UI became in-responsive and I had to hard reset.


This thread is intended to have more people try and test it and invite the AMS savvy to improve the code. I am not knowledgable in SoC programming myself ;-)

All the work has been done by Fred Bauer as can be seen in the FS ticket.
« Last Edit: September 22, 2017, 09:57:29 AM by johnb »
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Offline saratoga

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Re: Improve Battery Life on AMSv1 Sansa players
« Reply #1 on: September 24, 2017, 06:06:27 PM »
Here is the e200v2 build:

http://web.mit.edu/mgg6/www/rockbox-e200v2.7z

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