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usb: typec: More API for cable handling

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Thunderbolt 3, and probable USB4 too, will need to be able
to get details about the cables. Adding typec_cable_get()
function that the alternate mode drivers can use to gain
access to gain access to the cable.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20191230142611.24921-4-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Heikki Krogerus
2019-12-30 17:25:59 +03:00
committed by Greg Kroah-Hartman
parent 8face9aa57
commit b66b40ee7d
2 changed files with 50 additions and 0 deletions
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4
include/linux/usb/typec.h
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@@ -230,6 +230,10 @@ struct typec_cable *typec_register_cable(struct typec_port *port,
struct typec_cable_desc *desc);
void typec_unregister_cable(struct typec_cable *cable);
struct typec_cable *typec_cable_get(struct typec_port *port);
void typec_cable_put(struct typec_cable *cable);
int typec_cable_is_active(struct typec_cable *cable);
struct typec_plug *typec_register_plug(struct typec_cable *cable,
struct typec_plug_desc *desc);
void typec_unregister_plug(struct typec_plug *plug);