renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2025-01-09 22:24:04 +08:00
Code

platform/chrome: cros_ec_typec: Set Partner PD revision from status

Browse Source 
Status provides sop_revision. Process it, and set it using the new
setter in the typec class.

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@chomium.org>
Link: https://lore.kernel.org/r/20210129061406.2680146-6-bleung@chromium.org
Signed-off-by: Benson Leung <bleung@chromium.org>
This commit is contained in:
Benson Leung 2021-01-28 22:14:05 -08:00
parent 3b3dd1f0db
commit cefc011f8d
No known key found for this signature in database
GPG Key ID: 736DAA268733B0C2
1 changed files with 12 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
drivers/platform/chrome/cros_ec_typec.c
View File

@ -824,7 +824,7 @@ sop_prime_disc_exit:
return ret;
}
static int cros_typec_handle_sop_disc(struct cros_typec_data *typec, int port_num)
static int cros_typec_handle_sop_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 *sop_disc = port->disc_data;
@ -842,6 +842,12 @@ static int cros_typec_handle_sop_disc(struct cros_typec_data *typec, int port_nu
goto disc_exit;
}
ret = typec_partner_set_pd_revision(port->partner, pd_revision);
if (ret < 0) {
dev_err(typec->dev, "Failed to update partner PD revision, port: %d\n", port_num);
goto disc_exit;
}
memset(sop_disc, 0, EC_PROTO2_MAX_RESPONSE_SIZE);
ret = cros_typec_ec_command(typec, 0, EC_CMD_TYPEC_DISCOVERY, &req, sizeof(req),
sop_disc, EC_PROTO2_MAX_RESPONSE_SIZE);
@ -885,7 +891,11 @@ static void cros_typec_handle_status(struct cros_typec_data *typec, int port_num
/* Handle any events appropriately. */
if (resp.events & PD_STATUS_EVENT_SOP_DISC_DONE && !typec->ports[port_num]->sop_disc_done) {
ret = cros_typec_handle_sop_disc(typec, port_num);
u16 sop_revision;
/* Convert BCD to the format preferred by the TypeC framework */
sop_revision = (le16_to_cpu(resp.sop_revision) & 0xff00) >> 4;
ret = cros_typec_handle_sop_disc(typec, port_num, sop_revision);
if (ret < 0)
dev_err(typec->dev, "Couldn't parse SOP Disc data, port: %d\n", port_num);
else