Re: [PATCH] power: supply: max17042_battery: Add support for the TTE_NOW prop

[Sebastian Reichel]

Hi,

On Mon, Mar 30, 2020 at 01:33:55AM -0400, Geordan Neukum wrote:
> The max170{42,47,50,55} family of fuel gauges all provide time-to-empty
> estimation. As such, let's export this as a property.
> 
> Signed-off-by: Geordan Neukum <gneukum1@xxxxxxxxx>
> ---

Thanks, queued.

-- Sebastian

>  drivers/power/supply/max17042_battery.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/drivers/power/supply/max17042_battery.c b/drivers/power/supply/max17042_battery.c
> index 69ec4295d55d..f284547913d6 100644
> --- a/drivers/power/supply/max17042_battery.c
> +++ b/drivers/power/supply/max17042_battery.c
> @@ -87,6 +87,7 @@ static enum power_supply_property max17042_battery_props[] = {
>  	POWER_SUPPLY_PROP_SCOPE,
>  	POWER_SUPPLY_PROP_CURRENT_NOW,
>  	POWER_SUPPLY_PROP_CURRENT_AVG,
> +	POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW,
>  };
> 
>  static int max17042_get_temperature(struct max17042_chip *chip, int *temp)
> @@ -411,6 +412,13 @@ static int max17042_get_property(struct power_supply *psy,
>  			return -EINVAL;
>  		}
>  		break;
> +	case POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW:
> +		ret = regmap_read(map, MAX17042_TTE, &data);
> +		if (ret < 0)
> +			return ret;
> +
> +		val->intval = data * 5625 / 1000;
> +		break;
>  	default:
>  		return -EINVAL;
>  	}
> --
> 2.18.1
>

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