SPI_W8R16(9) Serial Peripheral Interface (S SPI_W8R16(9)
NAME
spi_w8r16 - SPI synchronous 8 bit write followed by 16 bit read
SYNOPSIS
ssize_t spi_w8r16(struct spi_device * spi, u8 cmd);
ARGUMENTS
spi
device with which data will be exchanged
cmd
command to be written before data is read back
CONTEXT
can sleep
DESCRIPTION
This returns the (unsigned) sixteen bit number returned by the device, or else a negative error code. Callable only from contexts that can
sleep.
The number is returned in wire-order, which is at least sometimes big-endian.
COPYRIGHT
Kernel Hackers Manual 2.6. July 2010 SPI_W8R16(9)
