diff options
Diffstat (limited to 'include/spi.h')
| -rw-r--r-- | include/spi.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/include/spi.h b/include/spi.h index 4af03bc365..a03e04f134 100644 --- a/include/spi.h +++ b/include/spi.h @@ -19,4 +19,20 @@ int spi_enable(int enable); int spi_transaction(const uint8_t *txdata, int txlen, uint8_t *rxdata, int rxlen); +#ifdef CONFIG_SPI +/** + * Called when the NSS level changes, signalling the start or end of a SPI + * transaction. + * + * @param signal GPIO signal that changed + */ +void spi_event(enum gpio_signal signal); + +#else +static inline void spi_event(enum gpio_signal signal) +{ +} + +#endif + #endif /* __CROS_EC_SPI_H */ |