spi_w8r16 - SPI synchronous 8 bit write followed by 16 bit read
2. SYNOPSIS ▲
ssize_t spi_w8r16(struct spi_device * spi , u8 cmd );
3. ARGUMENTS ▲
device with which data will be exchanged
command to be written before data is read back
4. CONTEXT ▲
5. 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.
6. COPYRIGHT ▲