diff options
Diffstat (limited to 'include/gpio.h')
-rw-r--r-- | include/gpio.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/gpio.h b/include/gpio.h index 75f23c5935..3b39ad9314 100644 --- a/include/gpio.h +++ b/include/gpio.h @@ -293,4 +293,13 @@ void gpio_set_alternate_function(uint32_t port, uint32_t mask, int func); int gpio_power_down_module(enum module_id id); #endif +/* + * Check if signal is a valid GPIO signal, and not IO expander (enum + * ioex_signal) or eSPI virtual wire (enum espi_vw_signal). + * + * @param signal GPIO or IOEX or VW signal + * @return 1 if signal is GPIO else return 0 + */ +int signal_is_gpio(int signal); + #endif /* __CROS_EC_GPIO_H */ |