Here are answers to some common questions I get about using external USB power with GoPro cameras: What external battery can power a GoPro for over 10 hours? For continuous long …
(4),,,,,power_supply_changed,power suopply core。 …
226,,power_supply_changed,,。 …
external_power_changed,PSYsupply PSY,supply PSY(online、offline),power supply core,PSY driver,;
,power supply class。 (AC)"supplied_to"(), power_supply_changed() …
,power supply class。 (AC) …
For that case, power supply class implements notification mechanism for batteries. External power supply (AC) lists supplicants (batteries) names in "supplied_to" struct member, and …
power_supply_changed(supplier)power_supply_classsupply, 1 pplier->desc->namesupply->supplied_from[i]. 2 pplier->supplied_to[i]supply->desc …
For that case, power supply class implements notification mechanism for batteries. External …
extern int power_supply_am_i_supplied(struct power_supply *psy);//PSY extern int power_supply_set_battery_charged(struct power_supply *psy);// …
power supply frameworkpower supply(psy),battery,psy,,、、、:1、 …
Battery <-> external power supply interaction ~~~~~ (supplies)(supplicants),。 …
external_power_changed,PSYsupply PSY,supply PSY(online、offline),power supply core,PSY …
For that case, power supply class implements notification mechanism for batteries. External power supply (AC) lists supplicants (batteries) names in "supplied_to" struct member, and …
Tip. Step two says that you should check the specification sheet or sticker of the device for the mAh rating. An alternative is to look at the mAh value on one of the batteries …
power_supply_changed,,psychanged_work。notifier() …
,kernelpower_supply_changed_work,kobject_ueventuevent,actionKOBJ_CHANGE; static void …