Name
spi_read —
SPI synchronous read
Synopsis
int spi_read ( | struct spi_device * spi, |
| | void * buf, |
| | size_t len); |
Arguments
spi
device from which data will be read
buf
data buffer
len
data buffer size
Description
This reads the buffer and returns zero or a negative error code.
Callable only from contexts that can sleep.