SPI_WRITE(9) Serial Peripheral Interface (S SPI_WRITE(9)NAMEspi_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 writes the buffer and returns zero or a negative error code.
Callable only from contexts that can sleep.
COPYRIGHTKernel Hackers Manual 3.11 November 2013 SPI_WRITE(9)