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.