diff options
| -rw-r--r-- | driver/tcpm/anx74xx.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/driver/tcpm/anx74xx.c b/driver/tcpm/anx74xx.c index 30438775b3..248887be28 100644 --- a/driver/tcpm/anx74xx.c +++ b/driver/tcpm/anx74xx.c @@ -393,18 +393,24 @@ static int anx74xx_tcpm_mux_set(int i2c_addr, mux_state_t mux_state) ctrl5 &= 0x0f; if (mux_state & MUX_USB_ENABLED) { - /* Set pin assignment D */ + /* Connect USB SS switches */ if (mux_state & MUX_POLARITY_INVERTED) { - ctrl1 = (ANX74XX_REG_MUX_ML0_RX1 | - ANX74XX_REG_MUX_ML1_TX1 | - ANX74XX_REG_MUX_SSRX_RX2); + ctrl1 = ANX74XX_REG_MUX_SSRX_RX2; ctrl5 |= ANX74XX_REG_MUX_SSTX_TX2; } else { - ctrl1 = (ANX74XX_REG_MUX_ML0_RX2 | - ANX74XX_REG_MUX_ML1_TX2 | - ANX74XX_REG_MUX_SSRX_RX1); + ctrl1 = ANX74XX_REG_MUX_SSRX_RX1; ctrl5 |= ANX74XX_REG_MUX_SSTX_TX1; } + if (mux_state & MUX_DP_ENABLED) { + /* Set pin assignment D */ + if (mux_state & MUX_POLARITY_INVERTED) + ctrl1 |= (ANX74XX_REG_MUX_ML0_RX1 | + ANX74XX_REG_MUX_ML1_TX1); + else + ctrl1 |= (ANX74XX_REG_MUX_ML0_RX2 | + ANX74XX_REG_MUX_ML1_TX2); + } + /* Keep ML0/ML1 unconnected if DP is not enabled */ } else if (mux_state & MUX_DP_ENABLED) { /* Set pin assignment C */ if (mux_state & MUX_POLARITY_INVERTED) { |