Re: [PATCH 1/1] power: supply: Introduces bypass charging property

From: Sebastian Reichel
Date: Thu Nov 04 2021 - 10:44:51 EST


Hi,

On Thu, Nov 04, 2021 at 08:50:27AM -0500, Ricardo Rivera-Matos wrote:
> Adds a POWER_SUPPLY_CHARGE_TYPE_BYPASS option to the POWER_SUPPLY_PROP_CHARGE_TYPE
> property to facilitate bypass charging operation.
>
> In bypass charging operation, the charger bypasses the charging path around the
> integrated converter allowing for a "smart" wall adaptor to perform the power
> conversion externally.
>
> This operational mode is critical for the USB PPS standard of power adaptors and is
> becoming a common feature in modern charging ICs such as:
>
> - BQ25980
> - BQ25975
> - BQ25960
> - LN8000
> - LN8410
>
> Signed-off-by: Ricardo Rivera-Matos <rriveram@xxxxxxxxxxxxxxxxxxxxx>
> ---

Please always send API changes together with a user (e.g. in this
case you could update bq25980_charger driver to use this property).

-- Sebastian

> drivers/power/supply/power_supply_sysfs.c | 1 +
> include/linux/power_supply.h | 1 +
> 2 files changed, 2 insertions(+)
>
> diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c
> index c3d7cbcd4fad..1368e13dc94b 100644
> --- a/drivers/power/supply/power_supply_sysfs.c
> +++ b/drivers/power/supply/power_supply_sysfs.c
> @@ -89,6 +89,7 @@ static const char * const POWER_SUPPLY_CHARGE_TYPE_TEXT[] = {
> [POWER_SUPPLY_CHARGE_TYPE_ADAPTIVE] = "Adaptive",
> [POWER_SUPPLY_CHARGE_TYPE_CUSTOM] = "Custom",
> [POWER_SUPPLY_CHARGE_TYPE_LONGLIFE] = "Long Life",
> + [POWER_SUPPLY_CHARGE_TYPE_BYPASS] = "Bypass",
> };
>
> static const char * const POWER_SUPPLY_HEALTH_TEXT[] = {
> diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
> index 9ca1f120a211..9432234d7900 100644
> --- a/include/linux/power_supply.h
> +++ b/include/linux/power_supply.h
> @@ -49,6 +49,7 @@ enum {
> POWER_SUPPLY_CHARGE_TYPE_ADAPTIVE, /* dynamically adjusted speed */
> POWER_SUPPLY_CHARGE_TYPE_CUSTOM, /* use CHARGE_CONTROL_* props */
> POWER_SUPPLY_CHARGE_TYPE_LONGLIFE, /* slow speed, longer life */
> + POWER_SUPPLY_CHARGE_TYPE_BYPASS, /* bypassing the charger */
> };
>
> enum {
> --
> 2.25.1
>

Attachment: signature.asc
Description: PGP signature