linux-kernel - Re: [PATCH] power: supply: cw2015: Add CHARGE

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Date:   Thu, 18 Feb 2021 15:53:27 +0100
From:   Tobias Schramm <t.schramm@...jaro.org>
To:     Martin Ashby <martin@...bysoft.com>,
        Tobias Schramm <t.schramm@...jaro.org>,
        Sebastian Reichel <sre@...nel.org>
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] power: supply: cw2015: Add CHARGE_NOW support

Hi Martin,

thanks for the patch. Now everything is looking good.

Just one small thing for the future: Please version your patches. Even 
when the patch subject changes. It helps everyone to distinguish clearly 
between different versions of a patch.

> CHARGE_NOW is expected by some user software (such as waybar)
> instead of 'CAPACITY', in order to correctly calculate remaining battery
> life.
> 
> Signed-off-by: Martin Ashby <martin@...bysoft.com>
> ---
>   drivers/power/supply/cw2015_battery.c | 6 ++++++
>   1 file changed, 6 insertions(+)
> 
> diff --git a/drivers/power/supply/cw2015_battery.c b/drivers/power/supply/cw2015_battery.c
> index 0146f1bfc..aa1f1771b 100644
> --- a/drivers/power/supply/cw2015_battery.c
> +++ b/drivers/power/supply/cw2015_battery.c
> @@ -511,6 +511,11 @@ static int cw_battery_get_property(struct power_supply *psy,
>   			val->intval = 0;
>   		break;
>   
> +	case POWER_SUPPLY_PROP_CHARGE_NOW:
> +		val->intval = cw_bat->battery.charge_full_design_uah;
> +		val->intval = val->intval * cw_bat->soc / 100;
> +		break;
> +
>   	case POWER_SUPPLY_PROP_CURRENT_NOW:
>   		if (cw_battery_valid_time_to_empty(cw_bat) &&
>   		    cw_bat->battery.charge_full_design_uah > 0) {
> @@ -542,6 +547,7 @@ static enum power_supply_property cw_battery_properties[] = {
>   	POWER_SUPPLY_PROP_CHARGE_COUNTER,
>   	POWER_SUPPLY_PROP_CHARGE_FULL,
>   	POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
> +	POWER_SUPPLY_PROP_CHARGE_NOW,
>   	POWER_SUPPLY_PROP_CURRENT_NOW,
>   };
>   
> 

Reviewed-by: Tobias Schramm <t.schramm@...jaro.org>
Tested-by: Tobias Schramm <t.schramm@...jaro.org>

Cheers,
Tobias