On Thursday, June 30, 2011, MyungJoo Ham wrote: > Charger Manager provides in-kernel battery charger management that > requires temperature monitoring during both normal and suspend-to-RAM states > and where each battery may have multiple chargers attached and the userland > wants to look at the aggregated information of the multiple chargers. > > For the discussions about the need for in-suspend monitoring, please > refer to the discussions of suspend-again in PM: > v1 https://lists.linux-foundation.org/pipermail/linux-pm/2011-April/031052.html > v2 https://lists.linux-foundation.org/pipermail/linux-pm/2011-April/031111.html > v3 https://lists.linux-foundation.org/pipermail/linux-pm/2011-May/031267.html > v4 https://lists.linux-foundation.org/pipermail/linux-pm/2011-May/031357.html > v5 (last, applied) https://lists.linux-foundation.org/pipermail/linux-pm/2011-June/031561.html > > To see the usage example, please refer to: > http://git.infradead.org/users/kmpark/linux-2.6-samsung/shortlog/refs/heads/charger-manager > In this git branch, a test code for Exynos4-NURI is shown. > > Charger Manager is a platform_driver with power-supply-class entries. > An instance of Charger Manager (a platform-device created with > Charger-Manager) represents a battery with chargers. If there are multiple > batteries with their own chargers acting independently in a system, > the system may need multiple instances of Charger Manager. > > Charger Manager glues multiple charger-related frameworks (regulators of > chargers, power-supply-class from chargers and fuel-gauge, RTC, > suspend-again, ...) together to provide aggregated information and > transparent battery monitoring to userspace. > > Because battery health monitoring should be done even when suspended, > it needs to wake up and suspend periodically. Thus, userspace battery > monitoring may incur too much overhead; every device and task is waked > up periodically. Charger Manager uses suspend-again (in next PM) to provide > in-suspend monitoring. Multiple chargers (e.g., USB, wireless, and solar > panels) may be included as pairs of a regulator and a power-supply-class > per charger. Charger Manager provides power-supply-class aggregating > information from multiple chargers and a fuel-gauge and UEVENT notifying > status changes. Multiple instances of Charger Manager enable multiple > batteries. > > Signed-off-by: MyungJoo Ham <myungjoo.ham@xxxxxxxxxxx> > Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx> I have tried to review this patch, but it is _huge_. Is there any reasonable way to split it into a series of smaller patches that would be easier to comprehend? Rafael _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
