SPI_READ(9) Serial Peripheral Interface (S SPI_READ(9)NAME
spi_read - SPI synchronous read
SYNOPSIS
int spi_read(struct spi_device * spi, u8 * buf, size_t len);
ARGUMENTS
spi
device from which data will be read
buf
data buffer
len
data buffer size
CONTEXT
can sleep
DESCRIPTION
This reads the buffer and returns zero or a negative error code.
Callable only from contexts that can sleep.
COPYRIGHTKernel Hackers Manual 2.6. November 2013 SPI_READ(9)