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usb: typec: ucsi: Only assign the identity structure if the PPM supports it

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This will make sure that the identity sysfs attribute files
are kept hidden if the UCSI interface doesn't support
reading the USB Power Delivery messages.

Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Abhishek Pandit-Subedi <abhishekpandit@chromium.org>
Link: https://lore.kernel.org/r/20240816135859.3499351-4-heikki.krogerus@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Heikki Krogerus
2024-08-16 16:58:56 +03:00
committed by Greg Kroah-Hartman
parent 1d05c382dd
commit 73910c511b
1 changed files with 4 additions and 2 deletions
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6
drivers/usb/typec/ucsi/ucsi.c
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@@ -979,7 +979,8 @@ static int ucsi_register_cable(struct ucsi_connector *con)
break;
}
desc.identity = &con->cable_identity;
if (con->ucsi->cap.features & UCSI_CAP_GET_PD_MESSAGE)
desc.identity = &con->cable_identity;
desc.active = !!(UCSI_CABLE_PROP_FLAG_ACTIVE_CABLE &
con->cable_prop.flags);
desc.pd_revision = UCSI_CABLE_PROP_FLAG_PD_MAJOR_REV_AS_BCD(
@@ -1058,7 +1059,8 @@ static int ucsi_register_partner(struct ucsi_connector *con)
if (pwr_opmode == UCSI_CONSTAT_PWR_OPMODE_PD)
ucsi_register_device_pdos(con);
desc.identity = &con->partner_identity;
if (con->ucsi->cap.features & UCSI_CAP_GET_PD_MESSAGE)
desc.identity = &con->partner_identity;
desc.usb_pd = pwr_opmode == UCSI_CONSTAT_PWR_OPMODE_PD;
desc.pd_revision = UCSI_CONCAP_FLAG_PARTNER_PD_MAJOR_REV_AS_BCD(con->cap.flags);