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authorBenson Leung <bleung@chromium.org>2021-01-29 09:14:04 +0300
committerBenson Leung <bleung@chromium.org>2021-02-02 10:49:54 +0300
commit3b3dd1f0dbfe92781c60f36ea5c22b26360f9909 (patch)
tree39677549f67a6d2ef9bda2c6e040fa12690456fe /drivers/platform/chrome
parent14336151fdf1046853fea7c68aa116b8f47bb2a4 (diff)
downloadlinux-3b3dd1f0dbfe92781c60f36ea5c22b26360f9909.tar.xz
platform/chrome: cros_ec_typec: Report SOP' PD revision from status
cros_typec_handle_sop_prime_disc now takes the PD revision provided by the EC_CMD_TYPEC_STATUS command response for the SOP'. Attach the properly formatted pd_revision to the cable desc before registering the cable. Signed-off-by: Benson Leung <bleung@chromium.org> Acked-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Acked-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Reviewed-by: Prashant Malani <pmalani@chromium.org> Link: https://lore.kernel.org/r/20210129061406.2680146-5-bleung@chromium.org Signed-off-by: Benson Leung <bleung@chromium.org>
Diffstat (limited to 'drivers/platform/chrome')
-rw-r--r--drivers/platform/chrome/cros_ec_typec.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c
index e724a5eaef1c..30600e9454e1 100644
--- a/drivers/platform/chrome/cros_ec_typec.c
+++ b/drivers/platform/chrome/cros_ec_typec.c
@@ -748,7 +748,7 @@ static void cros_typec_parse_pd_identity(struct usb_pd_identity *id,
id->vdo[i - 3] = disc->discovery_vdo[i];
}
-static int cros_typec_handle_sop_prime_disc(struct cros_typec_data *typec, int port_num)
+static int cros_typec_handle_sop_prime_disc(struct cros_typec_data *typec, int port_num, u16 pd_revision)
{
struct cros_typec_port *port = typec->ports[port_num];
struct ec_response_typec_discovery *disc = port->disc_data;
@@ -794,6 +794,7 @@ static int cros_typec_handle_sop_prime_disc(struct cros_typec_data *typec, int p
}
c_desc.identity = &port->c_identity;
+ c_desc.pd_revision = pd_revision;
port->cable = typec_register_cable(port->port, &c_desc);
if (IS_ERR(port->cable)) {
@@ -893,7 +894,11 @@ static void cros_typec_handle_status(struct cros_typec_data *typec, int port_num
if (resp.events & PD_STATUS_EVENT_SOP_PRIME_DISC_DONE &&
!typec->ports[port_num]->sop_prime_disc_done) {
- ret = cros_typec_handle_sop_prime_disc(typec, port_num);
+ u16 sop_prime_revision;
+
+ /* Convert BCD to the format preferred by the TypeC framework */
+ sop_prime_revision = (le16_to_cpu(resp.sop_prime_revision) & 0xff00) >> 4;
+ ret = cros_typec_handle_sop_prime_disc(typec, port_num, sop_prime_revision);
if (ret < 0)
dev_err(typec->dev, "Couldn't parse SOP' Disc data, port: %d\n", port_num);
else