diff mbox series

[v3,08/11] platform/chrome: cros_ec_typec: Store cable plug type

Message ID 20201116201150.2919178-9-pmalani@chromium.org (mailing list archive)
State New, archived
Headers show
Series chrome/platform: cros_ec_typec: Register cables, partner altmodes and plug altmodes | expand

Commit Message

Prashant Malani Nov. 16, 2020, 8:11 p.m. UTC 
Use the PD VDO Type C cable plug type macro to retrieve and store the
cable plug type in the cable descriptor.

Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
---

Changes in v3:
- Re-arranged patch order and combined it with related series of
  patches.
- Added Reviewed-by tags

Changes in v2:
- No changes.

 drivers/platform/chrome/cros_ec_typec.c | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
index 5e7f0b4ebbec..cf609aa10567 100644
--- a/drivers/platform/chrome/cros_ec_typec.c
+++ b/drivers/platform/chrome/cros_ec_typec.c
@@ -709,6 +709,7 @@  static int cros_typec_handle_sop_prime_disc(struct cros_typec_data *typec, int p
 		.port = port_num,
 		.partner_type = TYPEC_PARTNER_SOP_PRIME,
 	};
+	u32 cable_plug_type;
 	int ret = 0;
 
 	memset(disc, 0, EC_PROTO2_MAX_RESPONSE_SIZE);
@@ -722,8 +723,26 @@  static int cros_typec_handle_sop_prime_disc(struct cros_typec_data *typec, int p
 	/* Parse the PD identity data, even if only 0s were returned. */
 	cros_typec_parse_pd_identity(&port->c_identity, disc);
 
-	if (disc->identity_count != 0)
+	if (disc->identity_count != 0) {
+		cable_plug_type = VDO_TYPEC_CABLE_TYPE(port->c_identity.vdo[0]);
+		switch (cable_plug_type) {
+		case CABLE_ATYPE:
+			desc.type = USB_PLUG_TYPE_A;
+			break;
+		case CABLE_BTYPE:
+			desc.type = USB_PLUG_TYPE_B;
+			break;
+		case CABLE_CTYPE:
+			desc.type = USB_PLUG_TYPE_C;
+			break;
+		case CABLE_CAPTIVE:
+			desc.type = USB_PLUG_CAPTIVE;
+			break;
+		default:
+			desc.type = USB_PLUG_NONE;
+		}
 		desc.active = PD_IDH_PTYPE(port->c_identity.id_header) == IDH_PTYPE_ACABLE;
+	}
 
 	desc.identity = &port->c_identity;