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usb: typec: tcpm: allow to use sink in accessory mode

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commit 64843d0ba96d3eae297025562111d57585273366 upstream.

Since the function tcpm_acc_attach is not setting the data and role for
for the sink case we extend it to check for it first.

Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Link: https://lore.kernel.org/r/20250404-ml-topic-tcpm-v1-1-b99f44badce8@pengutronix.de
Stable-dep-of: bec15191d523 ("usb: typec: tcpm: apply vbus before data bringup in tcpm_src_attach")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michael Grzeschik
2025-04-04 00:43:04 +02:00
committed by Greg Kroah-Hartman
parent 145a56bd68
commit 8f65f4565c
1 changed files with 7 additions and 2 deletions
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9
drivers/usb/typec/tcpm/tcpm.c
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@@ -3802,12 +3802,17 @@ static void tcpm_snk_detach(struct tcpm_port *port)
static int tcpm_acc_attach(struct tcpm_port *port)
{
int ret;
enum typec_role role;
enum typec_data_role data;
if (port->attached)
return 0;
ret = tcpm_set_roles(port, true, TYPEC_SOURCE,
tcpm_data_role_for_source(port));
role = tcpm_port_is_sink(port) ? TYPEC_SINK : TYPEC_SOURCE;
data = tcpm_port_is_sink(port) ? tcpm_data_role_for_sink(port)
: tcpm_data_role_for_source(port);
ret = tcpm_set_roles(port, true, role, data);
if (ret < 0)
return ret;