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authorRajeshwari Shinde <rajeshwari.s@samsung.com>2013-05-28 20:10:38 +0000
committerJagannadha Sutradharudu Teki <jaganna@xilinx.com>2013-06-03 00:04:40 +0530
commite4eaef8910df805d511b1cb9b2caafa7d2827fdc (patch)
treefc58af501f7a5e5e125133c99c349c3cc1c81d6b /board/timll
parentbb786b84bdbcfe0474d53a54c82c5695494a6ab5 (diff)
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spi: exynos: Support SPI_PREAMBLE mode
Support interfaces with a preamble before each received message. We handle this when the client has requested a SPI_XFER_END, meaning that we must close of the transaction. In this case we read until we see the preamble (or a timeout occurs), skipping all data before and including the preamble. The client will receive only data bytes after the preamble. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com> Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com>
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