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Bug 2938 - SDL_GetPowerInfo always returns SDL_POWERSTATE_UNKNOWN/SDL_FALSE
Summary: SDL_GetPowerInfo always returns SDL_POWERSTATE_UNKNOWN/SDL_FALSE
Status: RESOLVED FIXED
Alias: None
Product: SDL
Classification: Unclassified
Component: *don't know* (show other bugs)
Version: HG 2.1
Hardware: x86_64 Linux
: P2 major
Assignee: Ryan C. Gordon
QA Contact: Sam Lantinga
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2015-04-09 12:49 UTC by Jason Wyatt
Modified: 2015-06-03 20:12 UTC (History)
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Description Jason Wyatt 2015-04-09 12:49:17 UTC 
SDL is currently trying to read battery information from /proc/acpi/battery. This does not exists on newer setups, with battery information having moved to /sys/class/power_supply/BAT*.
Comment 1 Ryan C. Gordon 2015-06-03 20:12:39 UTC 
Eventually we'd want to talk to UPower over d-bus (see Bug #2170), but in the interest of older and embedded machines that don't have that interface, and in the interest of having our API working at all in 2.0.4, I've implemented the sysfs stuff in https://hg.libsdl.org/SDL/rev/d8cc85e50561

--ryan.