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SPI_WRITE(9) Serial Peripheral Interface (S SPI_WRITE(9)

NAME

spi_write - SPI synchronous write

SYNOPSIS

int spi_write(struct spi_device * spi, const void * buf, size_t len);

ARGUMENTS

spi
device to which data will be written
buf
data buffer
len
data buffer size

CONTEXT

can sleep

DESCRIPTION

This function writes the buffer buf. Callable only from contexts that can sleep.

RETURN

zero on success, else a negative error code.

COPYRIGHT

January 2017 Kernel Hackers Manual 4.8.