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
Description
This writes the buffer and returns zero or a negative error code.
Callable only from contexts that can sleep.