diff options
| -rw-r--r-- | drivers/usb/typec/tcpm/fusb302.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/usb/typec/tcpm/fusb302.c b/drivers/usb/typec/tcpm/fusb302.c index fd851d8558d1..43b64d9309d0 100644 --- a/drivers/usb/typec/tcpm/fusb302.c +++ b/drivers/usb/typec/tcpm/fusb302.c @@ -679,6 +679,7 @@ static int tcpm_set_cc(struct tcpc_dev *dev, enum typec_cc_status cc) int ret = 0; bool pull_up, pull_down; u8 rd_mda; + enum toggling_mode mode; mutex_lock(&chip->lock); switch (cc) { @@ -764,6 +765,29 @@ static int tcpm_set_cc(struct tcpc_dev *dev, enum typec_cc_status cc) chip->intr_comp_chng = false; } fusb302_log(chip, "cc := %s", typec_cc_status_name[cc]); + + /* Enable detection for fixed SNK or SRC only roles */ + switch (cc) { + case TYPEC_CC_RD: + mode = TOGGLING_MODE_SNK; + break; + case TYPEC_CC_RP_DEF: + case TYPEC_CC_RP_1_5: + case TYPEC_CC_RP_3_0: + mode = TOGGLING_MODE_SRC; + break; + default: + mode = TOGGLING_MODE_OFF; + break; + } + + if (mode != TOGGLING_MODE_OFF) { + ret = fusb302_set_toggling(chip, mode); + if (ret < 0) + fusb302_log(chip, + "cannot set fixed role toggling mode, ret=%d", + ret); + } done: mutex_unlock(&chip->lock); |