SPI: add 3wire mode flag

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Add a new spi->mode bit: SPI_3WIRE, for chips where the SI and SO signals
are shared (and which are thus only half duplex).  Update the LM70 driver
to require support for that hardware mode from the controller.

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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David Brownell 2007-07-17 04:04:03 -07:00 • committed by Linus Torvalds

parent dccd573bb0

commit c06e677aed

2 changed files with 5 additions and 0 deletions

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include/linux/spi/spi.h

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