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authorPrashant Malani <pmalani@chromium.org>2020-11-16 12:11:52 -0800
committerBenson Leung <bleung@chromium.org>2021-01-05 11:04:09 -0800
commit72d6e32bd85bd1e5cb5aa467f4eb5d0a69559953 (patch)
treebc9110c0c81f57a34b30c5dc9819f3a26fad63d2 /drivers/platform/chrome
parent8b46a212ad11f25e5f77e3a2c6df1d0f758583b7 (diff)
downloadlinux-72d6e32bd85bd1e5cb5aa467f4eb5d0a69559953.tar.bz2
platform/chrome: cros_ec_typec: Store cable plug type
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> Signed-off-by: Benson Leung <bleung@chromium.org> Link: https://lore.kernel.org/r/20201116201150.2919178-9-pmalani@chromium.org
Diffstat (limited to 'drivers/platform/chrome')
-rw-r--r--drivers/platform/chrome/cros_ec_typec.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
index 8ecf2ede9c19..c0f34aa9e6dd 100644
--- a/drivers/platform/chrome/cros_ec_typec.c
+++ b/drivers/platform/chrome/cros_ec_typec.c
@@ -707,6 +707,7 @@ 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);
@@ -720,8 +721,26 @@ 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;