spi_w8r89
Spi synchronous 8 bit write followed by 8 bit read
Usage
ssize_t spi_w8r8(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
Overview
This returns the (unsigned) eight bit number returned by the device, or else a negative error code. Callable only from contexts that can sleep.
Releases
5 releases since Debian 4.0 (Etch); the text changed 4 times.