diff options
| author | Hector Martin <marcan@marcan.st> | 2025-09-14 12:56:13 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-09-14 16:08:21 +0200 |
| commit | 36c791c1996db13d5042960aa5895f777239845b (patch) | |
| tree | 6fbab1410d046c76eb2693b98b2683a66a715230 | |
| parent | 7b1d318506839ea8b71b258a3e48b1f87f69d1bb (diff) | |
usb: typec: tipd: Update partner identity when power status was updated
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>
Link: https://lore.kernel.org/r/20250914-apple-usb3-tipd-v1-8-4e99c8649024@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/usb/typec/tipd/core.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/usb/typec/tipd/core.c b/drivers/usb/typec/tipd/core.c index c7cf936e5a61..e16c6c07c72a 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)) |