int thread_fn(void *data)
{
short cpu_temp,gpu_temp,max_temp;
set_current_state(TASK_INTERRUPTIBLE);
while(!kthread_should_stop())
{
SLEEP_MILLI_SEC(30000);
cpu_temp = 0;
gpu_temp = 0;
cpu_temp = read_ec(0xA8);
gpu_temp = read_ec(0xAF);
max_temp = get_max(cpu_temp, gpu_temp);
if (max_temp < 60) {
fanSpeed = minFanSpeed;
}
if (max_temp > 60) {
fanSpeed = minFanSpeed+20;
}
if (max_temp > 70) {
fanSpeed = minFanSpeed+40;
}
if (max_temp > 80) {
fanSpeed = maxFanSpeed;
}
set_speed(fanSpeed);
printk(KERN_INFO "cpu temp: %d, gpu temp: %d, fan speed: %d", cpu_temp, gpu_temp, fanSpeed);
schedule();
set_current_state(TASK_INTERRUPTIBLE);
}
set_current_state(TASK_RUNNING);
return 0;
}
/*****************************************************************************
* driving logic
*****************************************************************************/
int main( int argc, char *argv[]) {
AsyncAPI api;
// successful write(): prime AsyncAPI with some data
write( api, "abcd");
// successful read(): retrieve it
std::string data( read( api) );
assert( data == "abcd");
// successful write_ec()
AsyncAPI::errorcode ec( write_ec( api, "efgh") );
assert( ec == 0);
// write_ec() with error
api.inject_error(1);
ec = write_ec( api, "ijkl");
assert( ec == 1);
// write() with error
std::string thrown;
api.inject_error(2);
try {
write(api, "mnop");
} catch ( std::exception const& e) {
thrown = e.what();
}
assert( thrown == make_exception("write", 2).what() );
// successful read_ec()
//[callbacks_read_ec_call
std::tie( ec, data) = read_ec( api);
//]
assert( ! ec);
assert( data == "efgh"); // last successful write_ec()
// read_ec() with error
api.inject_error(3);
std::tie( ec, data) = read_ec( api);
assert( ec == 3);
// 'data' in unspecified state, don't test
// read() with error
thrown.clear();
api.inject_error(4);
try {
data = read(api);
} catch ( std::exception const& e) {
thrown = e.what();
}
assert( thrown == make_exception("read", 4).what() );
std::cout << "done." << std::endl;
return EXIT_SUCCESS;
}
static bool
read_keyboard_status (bool *status)
{
uint8_t tmp;
if (! read_ec (&tmp)) return 0;
*status = ((tmp & TABLET_MODE) == 0);
return 1;
}
uint8_t read_smbus(ec_dev_t* dev, uint8_t reg)
{
return read_ec(dev, reg+dev->smbus_offset);
}
