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Message-ID: <20241213153543.v5.5.I083bf9188947be8cb7460211cfdf3233370a28f6@changeid>
Date: Fri, 13 Dec 2024 15:35:46 -0800
From: Abhishek Pandit-Subedi <abhishekpandit@...omium.org>
To: heikki.krogerus@...ux.intel.com,
tzungbi@...nel.org,
linux-usb@...r.kernel.org,
chrome-platform@...ts.linux.dev
Cc: akuchynski@...gle.com,
sboyd@...nel.org,
pmalani@...omium.org,
badhri@...gle.com,
rdbabiera@...gle.com,
dmitry.baryshkov@...aro.org,
jthies@...gle.com,
Abhishek Pandit-Subedi <abhishekpandit@...omium.org>,
Benson Leung <bleung@...omium.org>,
Guenter Roeck <groeck@...omium.org>,
linux-kernel@...r.kernel.org
Subject: [PATCH v5 5/8] platform/chrome: cros_ec_typec: Update partner altmode active
Mux configuration is often the final piece of mode entry and can be used
to determine whether a partner altmode is active. When mux configuration
is done, use the active port altmode's SVID to set the partner active
field for all partner alt modes.
Signed-off-by: Abhishek Pandit-Subedi <abhishekpandit@...omium.org>
---
Changes in v5:
- Use list_for_each_entry and simplify conditional statement within
drivers/platform/chrome/cros_ec_typec.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
index ae2f86296954..77f748fc8542 100644
--- a/drivers/platform/chrome/cros_ec_typec.c
+++ b/drivers/platform/chrome/cros_ec_typec.c
@@ -619,6 +619,7 @@ static int cros_typec_configure_mux(struct cros_typec_data *typec, int port_num,
};
struct ec_params_usb_pd_mux_ack mux_ack;
enum typec_orientation orientation;
+ struct cros_typec_altmode_node *node;
int ret;
ret = cros_ec_cmd(typec->ec, 0, EC_CMD_USB_PD_MUX_INFO,
@@ -677,6 +678,14 @@ static int cros_typec_configure_mux(struct cros_typec_data *typec, int port_num,
port->mux_flags);
}
+ /* Iterate all partner alt-modes and set the active alternate mode. */
+ list_for_each_entry(node, &port->partner_mode_list, list) {
+ typec_altmode_update_active(
+ node->amode,
+ port->state.alt &&
+ node->amode->svid == port->state.alt->svid);
+ }
+
mux_ack:
if (!typec->needs_mux_ack)
return ret;
--
2.47.1.613.gc27f4b7a9f-goog
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