spi_write(9)
NAME
spi_write - SPI synchronous write
SYNOPSIS
int spi_write(struct spi_device * spi, const u8 * 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.