Re: [PATCH] usb: typec: ucsi: Update power_supply on power role change
From: Heikki Krogerus
Date: Mon Jul 21 2025 - 05:48:59 EST
On Mon, Jul 21, 2025 at 01:32:51PM +0700, Myrrh Periwinkle wrote:
> The current power direction of an USB-C port also influences the
> power_supply's online status, so a power role change should also update
> the power_supply.
>
> Fixes an issue on some systems where plugging in a normal USB device in
> for the first time after a reboot will cause upower to erroneously
> consider the system to be connected to AC power.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: 0e6371fbfba3 ("usb: typec: ucsi: Report power supply changes")
> Signed-off-by: Myrrh Periwinkle <myrrhperiwinkle@xxxxxxxxxxx>
Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
> ---
> drivers/usb/typec/ucsi/ucsi.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
> index 01ce858a1a2b3466155db340e213c767d1e79479..8ff31963970bb384e28b460e5307e32cf421396b 100644
> --- a/drivers/usb/typec/ucsi/ucsi.c
> +++ b/drivers/usb/typec/ucsi/ucsi.c
> @@ -1246,6 +1246,7 @@ static void ucsi_handle_connector_change(struct work_struct *work)
>
> if (change & UCSI_CONSTAT_POWER_DIR_CHANGE) {
> typec_set_pwr_role(con->port, role);
> + ucsi_port_psy_changed(con);
>
> /* Complete pending power role swap */
> if (!completion_done(&con->complete))
>
> ---
> base-commit: 89be9a83ccf1f88522317ce02f854f30d6115c41
> change-id: 20250721-fix-ucsi-pwr-dir-notify-8a953aab42e5
>
> Best regards,
> --
> Myrrh Periwinkle <myrrhperiwinkle@xxxxxxxxxxx>
--
heikki