i try to test the I2C Bus of IMX6 automotive.
with the command i2cdetect -l,the microcontroller has 2 bus (1 and 2).
with the command i2cdetect 1 ,i have one sensor on 0x48
i see to the datensheet that 0x90 is the chip address to Read/Writte
now i wan to read and writte
i use the command i2cget 1 0x48 0x90
but the answer is read failed.
Please why can i do ,to have some answer ?
and why can i don to writte with the command i2cset?