diff options
Diffstat (limited to 'common/usb_pd_tcpc.c')
| -rw-r--r-- | common/usb_pd_tcpc.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/common/usb_pd_tcpc.c b/common/usb_pd_tcpc.c index 272b44e652..eb0b47b3c5 100644 --- a/common/usb_pd_tcpc.c +++ b/common/usb_pd_tcpc.c @@ -195,6 +195,8 @@ enum pd_tx_errors { PD_TX_ERR_COLLISION = -5 /* Collision detected during transmit */ }; +#define TCPC_FLAGS_INITIALIZED (1 << 0) /* TCPC is initialized */ + static struct pd_port_controller { /* current port power role (SOURCE or SINK) */ uint8_t power_role; @@ -211,6 +213,8 @@ static struct pd_port_controller { uint16_t alert_mask; /* RX enabled */ uint8_t rx_enabled; + /* TCPC flags */ + uint8_t flags; /* Last received */ int rx_head; @@ -811,7 +815,7 @@ void pd_task(void) tcpc_init(port); /* we are now initialized */ - alert(port, TCPC_REG_ALERT_TCPC_INITED); + pd[port].flags |= TCPC_FLAGS_INITIALIZED; while (1) { /* wait for next event/packet or timeout expiration */ @@ -1005,6 +1009,10 @@ static int tcpc_i2c_read(int port, int reg, uint8_t *payload) case TCPC_REG_VENDOR_ID: *(uint16_t *)payload = USB_VID_GOOGLE; return 2; + case TCPC_REG_ERROR_STATUS: + payload[0] = (pd[port].flags & TCPC_FLAGS_INITIALIZED) ? + 0 : TCPC_REG_ERROR_STATUS_UNINIT; + return 1; case TCPC_REG_CC_STATUS: tcpc_get_cc(port, &cc1, &cc2); payload[0] = TCPC_REG_CC_STATUS_SET( |