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Subject[PATCH 3/3] usb: typec: tcpm: Get Sink VDO from fwnode
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Current design only allows TCPM to get the Sink VDO from TCPC configs.
Add an additional way from fwnode.

Signed-off-by: Kyle Tso <kyletso@google.com>
---
drivers/usb/typec/tcpm/tcpm.c | 12 ++++++++++++
1 file changed, 12 insertions(+)

diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index c14cf7842520..7b797d14d9db 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -5673,6 +5673,18 @@ static int tcpm_fw_get_caps(struct tcpm_port *port,
port->new_source_frs_current = frs_current;
}

+ ret = fwnode_property_read_u32_array(fwnode, "sink-vdos", NULL, 0);
+ if (ret <= 0 && ret != -EINVAL) {
+ return -EINVAL;
+ } else if (ret > 0) {
+ port->nr_snk_vdo = min(ret, VDO_MAX_OBJECTS);
+ ret = fwnode_property_read_u32_array(fwnode, "sink-vdos",
+ port->snk_vdo,
+ port->nr_snk_vdo);
+ if (ret < 0)
+ return -EINVAL;
+ }
+
return 0;
}

--
2.30.0.280.ga3ce27912f-goog
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