spi_write(9) 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.

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