diff options
| -rw-r--r-- | drivers/usb/typec/ucsi/ucsi.c | 34 | ||||
| -rw-r--r-- | drivers/usb/typec/ucsi/ucsi.h | 5 |
2 files changed, 24 insertions, 15 deletions
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c index 85e507df7fa8..31d8a46ae5e7 100644 --- a/drivers/usb/typec/ucsi/ucsi.c +++ b/drivers/usb/typec/ucsi/ucsi.c @@ -1137,17 +1137,21 @@ static int ucsi_check_cable(struct ucsi_connector *con) if (ret < 0) return ret; - ret = ucsi_get_cable_identity(con); - if (ret < 0) - return ret; + if (con->ucsi->cap.features & UCSI_CAP_GET_PD_MESSAGE) { + ret = ucsi_get_cable_identity(con); + if (ret < 0) + return ret; + } - ret = ucsi_register_plug(con); - if (ret < 0) - return ret; + if (con->ucsi->cap.features & UCSI_CAP_ALT_MODE_DETAILS) { + ret = ucsi_register_plug(con); + if (ret < 0) + return ret; - ret = ucsi_register_altmodes(con, UCSI_RECIPIENT_SOP_P); - if (ret < 0) - return ret; + ret = ucsi_register_altmodes(con, UCSI_RECIPIENT_SOP_P); + if (ret < 0) + return ret; + } return 0; } @@ -1193,8 +1197,10 @@ static void ucsi_handle_connector_change(struct work_struct *work) ucsi_register_partner(con); ucsi_partner_task(con, ucsi_check_connection, 1, HZ); ucsi_partner_task(con, ucsi_check_connector_capability, 1, HZ); - ucsi_partner_task(con, ucsi_get_partner_identity, 1, HZ); - ucsi_partner_task(con, ucsi_check_cable, 1, HZ); + if (con->ucsi->cap.features & UCSI_CAP_GET_PD_MESSAGE) + ucsi_partner_task(con, ucsi_get_partner_identity, 1, HZ); + if (con->ucsi->cap.features & UCSI_CAP_CABLE_DETAILS) + ucsi_partner_task(con, ucsi_check_cable, 1, HZ); if (UCSI_CONSTAT_PWR_OPMODE(con->status.flags) == UCSI_CONSTAT_PWR_OPMODE_PD) @@ -1627,8 +1633,10 @@ static int ucsi_register_port(struct ucsi *ucsi, struct ucsi_connector *con) ucsi_register_partner(con); ucsi_pwr_opmode_change(con); ucsi_port_psy_changed(con); - ucsi_get_partner_identity(con); - ucsi_check_cable(con); + if (con->ucsi->cap.features & UCSI_CAP_GET_PD_MESSAGE) + ucsi_get_partner_identity(con); + if (con->ucsi->cap.features & UCSI_CAP_CABLE_DETAILS) + ucsi_check_cable(con); } /* Only notify USB controller if partner supports USB data */ diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h index 32daf5f58650..0e7c92eb1b22 100644 --- a/drivers/usb/typec/ucsi/ucsi.h +++ b/drivers/usb/typec/ucsi/ucsi.h @@ -206,7 +206,7 @@ struct ucsi_capability { #define UCSI_CAP_ATTR_POWER_OTHER BIT(10) #define UCSI_CAP_ATTR_POWER_VBUS BIT(14) u8 num_connectors; - u8 features; + u16 features; #define UCSI_CAP_SET_UOM BIT(0) #define UCSI_CAP_SET_PDM BIT(1) #define UCSI_CAP_ALT_MODE_DETAILS BIT(2) @@ -215,7 +215,8 @@ struct ucsi_capability { #define UCSI_CAP_CABLE_DETAILS BIT(5) #define UCSI_CAP_EXT_SUPPLY_NOTIFICATIONS BIT(6) #define UCSI_CAP_PD_RESET BIT(7) - u16 reserved_1; +#define UCSI_CAP_GET_PD_MESSAGE BIT(8) + u8 reserved_1; u8 num_alt_modes; u8 reserved_2; u16 bc_version; |