diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/usb_mux.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/include/usb_mux.h b/include/usb_mux.h index 7c3f5ae55f..e483954733 100644 --- a/include/usb_mux.h +++ b/include/usb_mux.h @@ -92,8 +92,11 @@ struct usb_mux_driver { /* Describes a USB mux present in the system */ struct usb_mux { /* - * Driver-defined parameter, typically an i2c slave address - * (for i2c muxes) or a port number (for GPIO 'muxes'). + * Used by driver. Muxes that are also the TCPC do not need to specify + * anything for this as they will use the values from tcpc_config_t. If + * this mux is also a TCPC but not used as the TCPC then use the + * MUX_PORT_AND_ADDR to pack the i2c port and i2c address into this + * field and use the USB_MUX_FLAG_NOT_TCPC flag. */ const int port_addr; |