[PATCH v2 3/3] usb: typec: tcpm: Get Sink VDO from fwnode
From: Kyle Tso <hidden>
Date: 2021-01-31 15:21:10
Also in:
linux-usb, lkml
Subsystem:
the rest, usb subsystem, usb typec class, usb typec port controller drivers · Maintainers:
Linus Torvalds, Greg Kroah-Hartman, Heikki Krogerus, Badhri Jagan Sridharan
Commit a079973f462a ("usb: typec: tcpm: Remove tcpc_config
configuration mechanism") removed the tcpc_config which includes the
Sink VDO and it is not yet added back with fwnode. Add it now.
Signed-off-by: Kyle Tso <redacted>
---
Changes since v1:
- updated the commit message
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 403a483645dd..84c8a52f8af1 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c@@ -5677,6 +5677,18 @@ 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; }
--
2.30.0.365.g02bc693789-goog