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
Description
This function writes the buffer buf.
Callable only from contexts that can sleep.
Return
zero on success, else a negative error code.