Re: [PATCH V3 08/11] power: charger-manager: Make chraging decision focusing on battery status.
From: Pavel Machek
Date: Fri Dec 19 2014 - 19:24:48 EST
Subject: charging.
> In cm_monitor() where charging management starts, it checks various charging
> condition sequentially to decide next charging operation. However, as it
conditions.
> follows sequential process, cascaded IF statements, it does some duplicated
> jobs which is already done in previous stage. It results delay in decision
which are. It results in delay in the decision....?
> Both of problems mentioned above becomes clean if it manages battery charging
"become clear".
> @@ -249,6 +249,19 @@ static bool is_full_charged(struct charger_manager *cm)
> if (!fuel_gauge)
> return false;
>
> + /* Full, if it's over the fullbatt voltage */
> + if (desc->fullbatt_uV > 0) {
> + ret = get_batt_uV(cm, &uV);
> + if (!ret) {
> + /* Battery is already full, checks voltage drop. */
"check"
> --- a/include/linux/power/charger-manager.h
> +++ b/include/linux/power/charger-manager.h
> @@ -220,6 +220,7 @@ struct charger_desc {
> * saved status of battery before entering suspend-to-RAM
> * @charging_start_time: saved start time of enabling charging
> * @charging_end_time: saved end time of disabling charging
> + * @battery_status: Current battery status
"current" for consistency.
> */
> struct charger_manager {
> struct list_head entry;
> @@ -237,6 +238,8 @@ struct charger_manager {
>
> u64 charging_start_time;
> u64 charging_end_time;
> +
> + int battery_status;
> };
Should battery_status be some kind of enum?
Pavel
--
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(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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