View source for How to use I2C Hub for RSB-4710


Use i2cdetect cmd to detect iic devices (for example, i2cdetect -y 4).
<pre>rk3399_rsb4710:/ $ i2cdetect -l
i2c-0 &nbsp; unknown &nbsp; &nbsp; &nbsp; &nbsp; rk3x-i2c &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;I2C adapter
i2c-1 &nbsp; unknown &nbsp; &nbsp; &nbsp; &nbsp; rk3x-i2c &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;I2C adapter
i2c-4 &nbsp; unknown &nbsp; &nbsp; &nbsp; &nbsp; rk3x-i2c &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;I2C adapter
i2c-9 &nbsp; unknown &nbsp; &nbsp; &nbsp; &nbsp; DesignWare HDMI &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp;    I2C adapter
</pre>
<pre>root@linaro-alip:~# i2cdetect -y 4</pre>