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SPI_SYNC_TRANSFER(9) Serial Peripheral Interface (S SPI_SYNC_TRANSFER(9)

NAME

spi_sync_transfer - synchronous SPI data transfer

SYNOPSIS

int spi_sync_transfer(struct spi_device * spi, struct spi_transfer * xfers, unsigned int num_xfers);

ARGUMENTS

spi
device with which data will be exchanged
xfers
An array of spi_transfers
num_xfers
Number of items in the xfer array

CONTEXT

can sleep

DESCRIPTION

Does a synchronous SPI data transfer of the given spi_transfer array.
For more specific semantics see spi_sync.
It returns zero on success, else a negative error code.

COPYRIGHT

February 2017 Kernel Hackers Manual 3.16