linux-kernel - Re: [PATCHv2 10/12] power: supply: generic-adc-battery: add temperature support

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Message-ID: <007d1471-6232-40a3-c938-e0062da9ef6d@gmail.com>
Date:   Wed, 15 Mar 2023 09:04:08 +0200
From:   Matti Vaittinen <mazziesaccount@...il.com>
To:     Sebastian Reichel <sre@...nel.org>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-kernel@...r.kernel.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org,
        Sebastian Reichel <sebastian.reichel@...labora.com>
Subject: Re: [PATCHv2 10/12] power: supply: generic-adc-battery: add
 temperature support

On 3/15/23 00:55, Sebastian Reichel wrote:
> From: Sebastian Reichel <sebastian.reichel@...labora.com>
> 
> Another typical thing to monitor via an ADC line is
> the battery temperature.
> 
> Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>

Reviewed-by: Matti Vaittinen <mazziesaccount@...il.com>

> ---
>   drivers/power/supply/generic-adc-battery.c | 7 ++++++-
>   1 file changed, 6 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/power/supply/generic-adc-battery.c b/drivers/power/supply/generic-adc-battery.c
> index 4811e72df8cd..0124d8d51af7 100644
> --- a/drivers/power/supply/generic-adc-battery.c
> +++ b/drivers/power/supply/generic-adc-battery.c
> @@ -30,6 +30,7 @@ enum gab_chan_type {
>   	GAB_VOLTAGE = 0,
>   	GAB_CURRENT,
>   	GAB_POWER,
> +	GAB_TEMP,
>   	GAB_MAX_CHAN_TYPE
>   };
>   
> @@ -40,7 +41,8 @@ enum gab_chan_type {
>   static const char *const gab_chan_name[] = {
>   	[GAB_VOLTAGE]	= "voltage",
>   	[GAB_CURRENT]	= "current",
> -	[GAB_POWER]		= "power",
> +	[GAB_POWER]	= "power",
> +	[GAB_TEMP]	= "temperature",
>   };
>   
>   struct gab {
> @@ -77,6 +79,7 @@ static const enum power_supply_property gab_dyn_props[] = {
>   	POWER_SUPPLY_PROP_VOLTAGE_NOW,
>   	POWER_SUPPLY_PROP_CURRENT_NOW,
>   	POWER_SUPPLY_PROP_POWER_NOW,
> +	POWER_SUPPLY_PROP_TEMP,
>   };
>   
>   static bool gab_charge_finished(struct gab *adc_bat)
> @@ -115,6 +118,8 @@ static int gab_get_property(struct power_supply *psy,
>   		return read_channel(adc_bat, GAB_CURRENT, &val->intval);
>   	case POWER_SUPPLY_PROP_POWER_NOW:
>   		return read_channel(adc_bat, GAB_POWER, &val->intval);
> +	case POWER_SUPPLY_PROP_TEMP:
> +		return read_channel(adc_bat, GAB_TEMP, &val->intval);
>   	default:
>   		return -EINVAL;
>   	}

-- 
Matti Vaittinen
Linux kernel developer at ROHM Semiconductors
Oulu Finland

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