* [PATCH] power: supply: max17042_battery: Add support for the TTE_NOW prop
@ 2020-03-30 5:33 Geordan Neukum
2020-04-29 18:28 ` Sebastian Reichel
0 siblings, 1 reply; 2+ messages in thread
From: Geordan Neukum @ 2020-03-30 5:33 UTC (permalink / raw)
To: Sebastian Reichel, linux-pm, linux-kernel; +Cc: gneukum1
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@gmail.com>
---
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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] power: supply: max17042_battery: Add support for the TTE_NOW prop
2020-03-30 5:33 [PATCH] power: supply: max17042_battery: Add support for the TTE_NOW prop Geordan Neukum
@ 2020-04-29 18:28 ` Sebastian Reichel
0 siblings, 0 replies; 2+ messages in thread
From: Sebastian Reichel @ 2020-04-29 18:28 UTC (permalink / raw)
To: Geordan Neukum; +Cc: linux-pm, linux-kernel
[-- Attachment #1: Type: text/plain, Size: 1344 bytes --]
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@gmail.com>
> ---
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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