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From: Pavel Machek <pavel@ucw.cz>
To: Jonghwa Lee <jonghwa3.lee@samsung.com>
Cc: linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
	sre@kernel.org, dbaryshkov@gmail.com, dwmw2@infradead.org,
	anton@enomsg.org, myungjoo.ham@samsung.com,
	cw00.choi@samsung.com
Subject: Re: [PATCH V3 08/11] power: charger-manager: Make chraging decision focusing on battery status.
Date: Sat, 20 Dec 2014 01:24:40 +0100	[thread overview]
Message-ID: <20141220002440.GC1694@amd> (raw)
In-Reply-To: <1418979323-7188-9-git-send-email-jonghwa3.lee@samsung.com>

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
--						
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

  reply	other threads:[~2014-12-20  0:24 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-19  8:55 [PATCH V3 0/11] Improve charger manager driver for optimized operation Jonghwa Lee
2014-12-19  8:55 ` [PATCH V3 01/11] power: charger-manager: Use alarmtimer for battery monitoring in suspend Jonghwa Lee
2014-12-20  0:21   ` Pavel Machek
2015-01-21 20:44   ` Sebastian Reichel
2014-12-19  8:55 ` [PATCH V3 02/11] power: charger-manager: Use thermal subsystem interface only to get temperature Jonghwa Lee
2015-01-21 22:38   ` Sebastian Reichel
2014-12-19  8:55 ` [PATCH V3 03/11] power: charger-manager: Use power_supply_changed() not private uevent Jonghwa Lee
2014-12-19  8:55 ` [PATCH V3 04/11] power: charger-manager: Remove deprecated function, cm_notify_event() Jonghwa Lee
2014-12-19  8:55 ` [PATCH V3 05/11] power: charger-manager: Fix to use CHARGE_NOW/FULL property correctly Jonghwa Lee
2014-12-19  8:55 ` [PATCH V3 06/11] power: charger-manager: Concentrate scattered power_supply_changed() calls Jonghwa Lee
2014-12-19  8:55 ` [PATCH V3 07/11] power: charger-manager: Get external power souce information only from EXTCON Jonghwa Lee
2014-12-19  8:55 ` [PATCH V3 08/11] power: charger-manager: Make chraging decision focusing on battery status Jonghwa Lee
2014-12-20  0:24   ` Pavel Machek [this message]
2014-12-22  2:10     ` jonghwa3.lee
2014-12-19  8:55 ` [PATCH V3 09/11] power: charger-manager: Not to start charging directly in cable nofitication Jonghwa Lee
2014-12-19  8:55 ` [PATCH V3 10/11] power: charger-manager: Support different polling mode for sleep state Jonghwa Lee
2014-12-19  8:55 ` [PATCH V3 11/11] power: charger-manager: Support to change polling rate in runtime Jonghwa Lee
2014-12-20  0:29   ` Pavel Machek
2014-12-22  1:57     ` jonghwa3.lee

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