On Sun, Sep 14, 2025 at 12:56:13PM +0000, Sven Peter wrote:
> From: Hector Martin <marcan@marcan.st>
>
> Whenever the power status is changed make sure to also update the
> partner identity to be able to detect changes once de-bouncing and mode
> changes are added for CD321x.
>
> Signed-off-by: Hector Martin <marcan@marcan.st>
> Reviewed-by: Neal Gompa <neal@gompa.dev>
> Signed-off-by: Sven Peter <sven@kernel.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
> ---
> drivers/usb/typec/tipd/core.c | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c
> index c7cf936e5a61a331271c05b68ff1b77b89c0f643..e16c6c07c72a3e285f1fc94db72bed8dc3217a1d 100644
> --- a/drivers/usb/typec/tipd/core.c
> +++ b/drivers/usb/typec/tipd/core.c
> @@ -635,9 +635,16 @@ static irqreturn_t cd321x_interrupt(int irq, void *data)
> if (!tps6598x_read_status(tps, &status))
> goto err_unlock;
>
> - if (event & APPLE_CD_REG_INT_POWER_STATUS_UPDATE)
> + if (event & APPLE_CD_REG_INT_POWER_STATUS_UPDATE) {
> if (!tps6598x_read_power_status(tps))
> goto err_unlock;
> + if (TPS_POWER_STATUS_PWROPMODE(tps->pwr_status) == TYPEC_PWR_MODE_PD) {
> + if (tps6598x_read_partner_identity(tps)) {
> + dev_err(tps->dev, "failed to read partner identity\n");
> + tps->partner_identity = (struct usb_pd_identity) {0};
> + }
> + }
> + }
>
> if (event & APPLE_CD_REG_INT_DATA_STATUS_UPDATE)
> if (!tps->data->read_data_status(tps))
>
> --
> 2.34.1
>
--
heikki