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How can LS1043ARDB send datas via 9-bits???

Question asked by liu yonggang on Mar 22, 2018
Latest reply on Mar 26, 2018 by Pavel Chubakov

SPI works 8-bits data frame ,it is normal.But I set up 9-bits data frame,ioctl call fail in user space.

How can LS1043ARDB board SPI driver(in kernel status) support 9-bits data send frame.

Which file should I modify?

I need help.

Tks!

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