Hi.
Kernel version : 4.11.7-sun8i
My trouble is that clk is weird in using spidev.
This is a oscilograph when i send a command with spi.
First line is CLK and second line is CS0.
My slave chip can not receive commands.
and I think it due to this weird CLK.
CS seems affect CLK.
I just want to use spi with CS keeping active-low.
But, following code setting mode of spi occured an error. "invalid argument exception"
mode = SPI_MODE_1 | SPI_NO_CS;
if (ioctl(file,SPI_IOC_WR_MODE32,&mode)<0){
perror("can't s