Support and General Use > Hardware
Sansа Clip Zip - Improve battery life
oid_maps:
--- Quote from: Mihail Zenkov on December 04, 2015, 01:56:32 PM ---oid_maps
Can you check amsv2_scaling_v9.patch.txt + rockbox-gui_boost.patch.txt?
http://forums.rockbox.org/index.php/topic,48549.msg234910.html#msg234910
P.S. I also recommend use rockbox-usb.patch and rockbox-restore_irq.patch if you use amsv2_scaling_v9.patch.txt.
--- End quote ---
Also with all those four patches ("amsv2_scaling_v9.patch.txt" + "rockbox-gui_boost.patch.txt" + "rockbox-usb.patch.txt" + "rockbox-restore_irq.patch.txt") the hold switch is without function.
This might practically decrease battery life, since every accidential turn of the wheel will activate the backlight.
oid_maps:
--- Quote from: oid_maps on December 07, 2015, 07:06:13 AM ---
--- Quote from: Mihail Zenkov on December 04, 2015, 01:56:32 PM ---oid_maps
Can you check amsv2_scaling_v9.patch.txt + rockbox-gui_boost.patch.txt?
http://forums.rockbox.org/index.php/topic,48549.msg234910.html#msg234910
P.S. I also recommend use rockbox-usb.patch and rockbox-restore_irq.patch if you use amsv2_scaling_v9.patch.txt.
--- End quote ---
Also with all those four patches ("amsv2_scaling_v9.patch.txt" + "rockbox-gui_boost.patch.txt" + "rockbox-usb.patch.txt" + "rockbox-restore_irq.patch.txt") the hold switch is without function.
This might practically decrease battery life, since every accidential turn of the wheel will activate the backlight.
--- End quote ---
No idea what could be changed in the patch to regain function of the hold switch?
Mihail Zenkov:
Probably we have problem with delay. Try attached patch.
oid_maps:
--- Quote from: Mihail Zenkov on December 14, 2015, 07:52:18 AM ---Probably we have problem with delay. Try attached patch.
--- End quote ---
Does not work, but there are some "symptoms" now:
If I switch to "hold", screen goes black very shortly (like a "black"-blinking), then is on again. Sometimes immediately, sometimes after ca. 2 seconds, or anything in between. If the switch stays in hold position, it infinitely continues to blink black, with varying pauses between the blink, anything in between ca. half a second and several seconds.
It seems that, if the device is doing less (no playiing, no scrolling text on the screen), the black-blinks are less often, even "never" (until the timeout for normal display-off occurs).
The device can be operated with the switch in "hold"-position.
Mihail Zenkov:
Another patch with bigger delay:
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