diff options
| author | Prashant Malani | 2021-02-02 18:15:39 -0800 |
|---|---|---|
| committer | Benson Leung | 2021-02-04 10:29:30 -0800 |
| commit | c8ec21c6d25c2a8895614ea38575dadb8570c2f9 (patch) | |
| tree | c845026b9d62d48e35582924cf445b43971b8a2f /drivers/platform | |
| parent | b64afd949ee3a61e180813859b50aced26023c55 (diff) | |
platform/chrome: cros_ec_typec: Clear Type C disc events
Clear USB Type C discovery events from the Chrome EC once they've been
successfully handled.
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Reported-by: Benson Leung <bleung@chromium.org>
Tested-by: Benson Leung <bleung@chromium.org>
Link: https://lore.kernel.org/r/20210203021539.745239-2-pmalani@chromium.org
Signed-off-by: Benson Leung <bleung@chromium.org>
Diffstat (limited to 'drivers/platform')
| -rw-r--r-- | drivers/platform/chrome/cros_ec_typec.c | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/drivers/platform/chrome/cros_ec_typec.c b/drivers/platform/chrome/cros_ec_typec.c index 7b93dfd02999..0abd21044882 100644 --- a/drivers/platform/chrome/cros_ec_typec.c +++ b/drivers/platform/chrome/cros_ec_typec.c @@ -870,6 +870,18 @@ disc_exit: return ret; } +static int cros_typec_send_clear_event(struct cros_typec_data *typec, int port_num, u32 events_mask) +{ + struct ec_params_typec_control req = { + .port = port_num, + .command = TYPEC_CONTROL_COMMAND_CLEAR_EVENTS, + .clear_events_mask = events_mask, + }; + + return cros_typec_ec_command(typec, 0, EC_CMD_TYPEC_CONTROL, &req, + sizeof(req), NULL, 0); +} + static void cros_typec_handle_status(struct cros_typec_data *typec, int port_num) { struct ec_response_typec_status resp; @@ -894,9 +906,14 @@ static void cros_typec_handle_status(struct cros_typec_data *typec, int port_num 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 + else { typec->ports[port_num]->sop_disc_done = true; - + ret = cros_typec_send_clear_event(typec, port_num, + PD_STATUS_EVENT_SOP_DISC_DONE); + if (ret < 0) + dev_warn(typec->dev, + "Failed SOP Disc event clear, port: %d\n", port_num); + } if (resp.sop_connected) typec_set_pwr_opmode(typec->ports[port_num]->port, TYPEC_PWR_MODE_PD); } @@ -910,8 +927,14 @@ static void cros_typec_handle_status(struct cros_typec_data *typec, int port_num 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 + else { typec->ports[port_num]->sop_prime_disc_done = true; + ret = cros_typec_send_clear_event(typec, port_num, + PD_STATUS_EVENT_SOP_PRIME_DISC_DONE); + if (ret < 0) + dev_warn(typec->dev, + "Failed SOP Disc event clear, port: %d\n", port_num); + } } } |