<marble_visions>
the article mentions the X fbdev driver
<marble_visions>
does it use opengl underneath? or I can just include the opengl/es headers directly and those will get resolved to the libMali.so
<Guest92134>
it says "both fbdev and X11"
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<Guest92134>
by "fbdev" i think he means the console framebuffer, not the X fbdev driver, because that's still X11
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<Guest92134>
or some other such mislabeling
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<miasma>
hmm I guess my opi pc finally got fried. draws around 2W when powered. doesn't respond at all. won't show up as usb device via musb port. the small component close to the sd card slot named 'A15L' gets really hot..
<miasma>
it used to work for days as a multiroom audio server, but didn't boot anymore
<Guest92134>
can't force the soc into fel, either?
<Guest92134>
jtag, etc
<miasma>
it should automatically support fel boot when no sd card is fed
<Guest92134>
these devices were not designed to last forever
<miasma>
obviously not :)
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<KotCzarny>
not true
<KotCzarny>
my bananas (a20 ones) work 24/7
<KotCzarny>
for a few years now
<KotCzarny>
though it might be axp209 saving board from the stress
<KotCzarny>
;)
<miasma>
fwiw I was directly feeding 5V via gpio pins since I don't have proper cables for the dc plug
<KotCzarny>
what was the power source?
<miasma>
5,1V actually. maybe that was too much
<miasma>
a chinese dc-dc converter
<miasma>
from 12V -> 5V
<KotCzarny>
:)
<miasma>
those should be fairly stable, but might have some issues with zero load
<KotCzarny>
assuming power wasnt too noisy
<miasma>
mean well power brick
<KotCzarny>
hmm?
<miasma>
i'm using it in an audio appliance, so i'm pretty sure the noise levels are pretty ok
<KotCzarny>
meanwell psus are quite good
<KotCzarny>
(compared to all chargers etc)
<miasma>
oh well, let's see how the next board goes
<KotCzarny>
give it to some electronics fix shop
<KotCzarny>
:)
<miasma>
if it lasts for only a week, i need to figure out some other power supply
<miasma>
another cause might be some kind of ground loop via the sound input
<KotCzarny>
that's possible
<miasma>
the usd dac still works though
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<marble_visions>
Guest92134: thanks
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<diego71>
Hello. I'm using kernel 4.13 mainline on a20-olinuxino-micro, and if I look in /sys/class/power_supply is empty. There is a way to read the status of the battery?
<plaes>
diego71: iirc only with i2c
<plaes>
or you can apply one patch to dts
<diego71>
plaes: do you have some hints on how patch the dts?