linux-kernel - Re: [PATCH v1 3/4] power: max17040: add passing props from supplier

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Message-ID: <20230515224145.u2fos4ln3n6hb567@mercury.elektranox.org>
Date:   Tue, 16 May 2023 00:41:45 +0200
From:   Sebastian Reichel <sebastian.reichel@...labora.com>
To:     Svyatoslav Ryhel <clamor95@...il.com>
Cc:     Iskren Chernev <me@...ren.info>,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Matheus Castello <matheus@...tello.eng.br>,
        Rob Herring <robh+dt@...nel.org>, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 3/4] power: max17040: add passing props from supplier

Hi,

On Wed, Mar 08, 2023 at 10:44:18AM +0200, Svyatoslav Ryhel wrote:
> Optionally pass status and health from supplier if
> it supports those props. If cell is online assume it
> is present as well.
> 
> Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>

Charger health might be different from battery health, so it's not
safe to inherit. Otherwise LGTM.

-- Sebastian

> ---
>  drivers/power/supply/max17040_battery.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/drivers/power/supply/max17040_battery.c b/drivers/power/supply/max17040_battery.c
> index 2778ed5b5c14..6dfce7b1309e 100644
> --- a/drivers/power/supply/max17040_battery.c
> +++ b/drivers/power/supply/max17040_battery.c
> @@ -390,6 +390,7 @@ static int max17040_get_property(struct power_supply *psy,
>  
>  	switch (psp) {
>  	case POWER_SUPPLY_PROP_ONLINE:
> +	case POWER_SUPPLY_PROP_PRESENT:
>  		val->intval = max17040_get_online(chip);
>  		break;
>  	case POWER_SUPPLY_PROP_VOLTAGE_NOW:
> @@ -402,6 +403,10 @@ static int max17040_get_property(struct power_supply *psy,
>  		val->intval = chip->low_soc_alert;
>  		break;
>  
> +	case POWER_SUPPLY_PROP_STATUS:
> +	case POWER_SUPPLY_PROP_HEALTH:
> +		power_supply_get_property_from_supplier(psy, psp, val);
> +		break;
>  	case POWER_SUPPLY_PROP_TECHNOLOGY:
>  		val->intval = chip->batt_info->technology;
>  		break;
> @@ -438,10 +443,13 @@ static const struct regmap_config max17040_regmap = {
>  
>  static enum power_supply_property max17040_battery_props[] = {
>  	POWER_SUPPLY_PROP_ONLINE,
> +	POWER_SUPPLY_PROP_PRESENT,
>  	POWER_SUPPLY_PROP_VOLTAGE_NOW,
>  	POWER_SUPPLY_PROP_CAPACITY,
>  	POWER_SUPPLY_PROP_CAPACITY_ALERT_MIN,
>  	POWER_SUPPLY_PROP_TECHNOLOGY,
> +	POWER_SUPPLY_PROP_STATUS,
> +	POWER_SUPPLY_PROP_HEALTH,
>  	POWER_SUPPLY_PROP_ENERGY_FULL_DESIGN,
>  	POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
>  	POWER_SUPPLY_PROP_TEMP_MIN,
> -- 
> 2.37.2
> 

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