Re: [PATCH] HID: wacom: Correct power_supply type

From: Jiri Kosina
Date: Mon Apr 11 2022 - 11:09:09 EST


On Thu, 7 Apr 2022, Bastien Nocera wrote:

> POWER_SUPPLY_TYPE_USB seems to only ever be used by USB ports that are
> used to charge the machine itself (so a "system" scope), like the
> single USB port on a phone, rather than devices.
>
> The wacom_sys driver is the only driver that sets its device battery as
> being a USB type, which doesn't seem correct based on its usage, so
> switch it to be a battery type like all the other USB-connected devices.
>
> Signed-off-by: Bastien Nocera <hadess@xxxxxxxxxx>
> ---
> drivers/hid/wacom_sys.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c
> index 066c567dbaa2..620fe74f5676 100644
> --- a/drivers/hid/wacom_sys.c
> +++ b/drivers/hid/wacom_sys.c
> @@ -1777,7 +1777,7 @@ static int __wacom_initialize_battery(struct wacom *wacom,
> bat_desc->get_property = wacom_battery_get_property;
> sprintf(battery->bat_name, "wacom_battery_%ld", n);
> bat_desc->name = battery->bat_name;
> - bat_desc->type = POWER_SUPPLY_TYPE_USB;
> + bat_desc->type = POWER_SUPPLY_TYPE_BATTERY;
> bat_desc->use_for_apm = 0;
>
> ps_bat = devm_power_supply_register(dev, bat_desc, &psy_cfg);

Thanks Bastien, makes sense. CCing Jason and Ping (the Wacom driver
maintainers) to get their Ack.

--
Jiri Kosina
SUSE Labs