#if AO_MPU9250_SPI
#ifndef AO_MPU9250_SPI_SPEED
-#define AO_MPU9250_SPI_SPEED ao_spi_speed(1000000) /* 1MHz max SCLK */
+#define AO_MPU9250_SPI_SPEED ao_spi_speed(AO_MPU9250_SPI_BUS, 1000000) /* 1MHz max SCLK */
#endif
#define ao_mpu9250_spi_get() ao_spi_get(AO_MPU9250_SPI_BUS, AO_MPU9250_SPI_SPEED)