diff options
Diffstat (limited to 'driver/tcpm/it83xx.c')
| -rw-r--r-- | driver/tcpm/it83xx.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/driver/tcpm/it83xx.c b/driver/tcpm/it83xx.c index 2ba9815a85..8e6abbc15b 100644 --- a/driver/tcpm/it83xx.c +++ b/driver/tcpm/it83xx.c @@ -602,6 +602,7 @@ static int it83xx_tcpm_set_msg_header(int port, int power_role, int data_role) static int it83xx_tcpm_set_rx_enable(int port, int enable) { int i; + bool prevent_deep_sleep = false; if (enable) { IT83XX_USBPD_IMR(port) &= ~USBPD_REG_MASK_MSG_RX_DONE; @@ -626,14 +627,27 @@ static int it83xx_tcpm_set_rx_enable(int port, int enable) * PD port Rx is enabled, then disable EC deep sleep. */ for (i = 0; i < CONFIG_USB_PD_ITE_ACTIVE_PORT_COUNT; ++i) { - if (IT83XX_USBPD_GCR(i) & USBPD_REG_MASK_BMC_PHY) + if (IT83XX_USBPD_GCR(i) & USBPD_REG_MASK_BMC_PHY) { + prevent_deep_sleep = true; break; + } } - if (i == board_get_usb_pd_port_count()) - enable_sleep(SLEEP_MASK_USB_PD); - else + /* + * Check if any other ports have a PD port partner connected. Deep + * sleep is forbidden if any PD port partner is connected. Above, we + * only checked for the ITE ports. + */ + if (!prevent_deep_sleep) { + for (; i < board_get_usb_pd_port_count(); i++) + if (pd_capable(i)) + prevent_deep_sleep = true; + } + + if (prevent_deep_sleep) disable_sleep(SLEEP_MASK_USB_PD); + else + enable_sleep(SLEEP_MASK_USB_PD); return EC_SUCCESS; } |