Messages in this thread Patch in this message | | | From | Dmitry Baryshkov <> | Subject | [PATCH v2 1/2] usb: typec: altmodes/displayport: add support for embedded DP cases | Date | Sun, 9 Jul 2023 23:13:08 +0300 |
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In the embedded cases, the DisplayPort connector is handled by the TCPM itself. Fallback to the controller fwnode for HPD notifications to support such usecases without requiring additional DT properties.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> --- drivers/usb/typec/altmodes/displayport.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c index 4e5aa17ce4c8..699438c7755e 100644 --- a/drivers/usb/typec/altmodes/displayport.c +++ b/drivers/usb/typec/altmodes/displayport.c @@ -578,7 +578,10 @@ int dp_altmode_probe(struct typec_altmode *alt) alt->ops = &dp_altmode_ops; fwnode = dev_fwnode(alt->dev.parent->parent); /* typec_port fwnode */ - dp->connector_fwnode = fwnode_find_reference(fwnode, "displayport", 0); + if (fwnode_property_present(fwnode, "displayport")) + dp->connector_fwnode = fwnode_find_reference(fwnode, "displayport", 0); + else + dp->connector_fwnode = fwnode_handle_get(fwnode); /* embedded DP */ if (IS_ERR(dp->connector_fwnode)) dp->connector_fwnode = NULL; -- 2.39.2
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