diff options
| -rw-r--r-- | board/cr50/usb_i2c.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/board/cr50/usb_i2c.c b/board/cr50/usb_i2c.c index 0bc7408329..64f9cdeaaa 100644 --- a/board/cr50/usb_i2c.c +++ b/board/cr50/usb_i2c.c @@ -11,25 +11,22 @@ #include "i2c.h" #include "rdd.h" #include "registers.h" +#include "stdbool.h" #include "system.h" #include "timer.h" #include "usb_i2c.h" #define CPRINTS(format, args...) cprints(CC_USB, format, ## args) +static bool usb_i2c_enabled; + int usb_i2c_board_is_enabled(void) { /* board options use the INA pins as GPIOs */ if (!board_has_ina_support()) return 0; - /* - * Note that this signal requires an external pullup, because this is - * one of the real open drain pins; we cannot pull it up or drive it - * high. On test boards without the pullup, this will mis-detect as - * enabled. - */ - return !gpio_get_level(GPIO_EN_PP3300_INA_L); + return usb_i2c_enabled; } static void ina_disconnect(void) @@ -45,6 +42,7 @@ static void ina_disconnect(void) /* Disable power to INA chips */ gpio_set_level(GPIO_EN_PP3300_INA_L, 1); + usb_i2c_enabled = false; } static void ina_connect(void) @@ -71,6 +69,7 @@ static void ina_connect(void) * lines are connected. */ i2cm_init(); + usb_i2c_enabled = true; } void usb_i2c_board_disable(void) |