diff options
Diffstat (limited to 'driver/tcpm/ps8xxx.c')
| -rw-r--r-- | driver/tcpm/ps8xxx.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/driver/tcpm/ps8xxx.c b/driver/tcpm/ps8xxx.c index 4643c669c0..11551b1a7c 100644 --- a/driver/tcpm/ps8xxx.c +++ b/driver/tcpm/ps8xxx.c @@ -895,6 +895,20 @@ static int ps8xxx_tcpm_get_cc(int port, enum tcpc_cc_voltage_status *cc1, return tcpci_tcpm_get_cc(port, cc1, cc2); } +static int ps8xxx_tcpm_set_vconn(int port, int enable) +{ + /* + * Add delay of writing TCPC_REG_POWER_CTRL makes + * CC status being judged correctly when disable VCONN. + * This may be a PS8XXX firmware issue, Parade is still trying. + * https://partnerissuetracker.corp.google.com/issues/185202064 + */ + if (!enable) + msleep(PS8XXX_VCONN_TURN_OFF_DELAY_US); + + return tcpci_tcpm_set_vconn(port, enable); +} + const struct tcpm_drv ps8xxx_tcpm_drv = { .init = ps8xxx_tcpm_init, .release = ps8xxx_tcpm_release, @@ -908,7 +922,7 @@ const struct tcpm_drv ps8xxx_tcpm_drv = { #ifdef CONFIG_USB_PD_DECODE_SOP .sop_prime_enable = tcpci_tcpm_sop_prime_enable, #endif - .set_vconn = tcpci_tcpm_set_vconn, + .set_vconn = ps8xxx_tcpm_set_vconn, .set_msg_header = tcpci_tcpm_set_msg_header, .set_rx_enable = tcpci_tcpm_set_rx_enable, .get_message_raw = tcpci_tcpm_get_message_raw, |