diff options
Diffstat (limited to 'board/baklava/board.c')
| -rw-r--r-- | board/baklava/board.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/board/baklava/board.c b/board/baklava/board.c index 35a27d0c21..12365e0ff6 100644 --- a/board/baklava/board.c +++ b/board/baklava/board.c @@ -262,6 +262,31 @@ int dock_get_mf_preference(void) { return MF_ON; } + +static void board_usb_tc_connect(void) +{ + int port = TASK_ID_TO_PD_PORT(task_get_current()); + + /* + * The EC needs to indicate to the MST hub when the host port is + * attached. GPIO_UFP_PLUG_DET is used for this purpose. + */ + if (port == USB_PD_PORT_HOST) + gpio_set_level(GPIO_UFP_PLUG_DET, 0); +} +DECLARE_HOOK(HOOK_USB_PD_CONNECT, board_usb_tc_connect, HOOK_PRIO_DEFAULT); + +static void board_usb_tc_disconnect(void) +{ + int port = TASK_ID_TO_PD_PORT(task_get_current()); + + /* Only the host port disconnect is relevant */ + if (port == USB_PD_PORT_HOST) + gpio_set_level(GPIO_UFP_PLUG_DET, 1); +} +DECLARE_HOOK(HOOK_USB_PD_DISCONNECT, board_usb_tc_disconnect, \ + HOOK_PRIO_DEFAULT); + #endif /* SECTION_IS_RW */ static void board_init(void) |