static ssize_t ams_input_store_joystick(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
unsigned long enable;
int error = 0;
int ret;
ret = kstrtoul(buf, 0, &enable);
if (ret)
return ret;
if (enable > 1)
return -EINVAL;
mutex_lock(&ams_input_mutex);
if (enable != joystick) {
if (enable)
error = ams_input_enable();
else
ams_input_disable();
}
mutex_unlock(&ams_input_mutex);
return error ? error : count;
}
void ams_input_exit(void)
{
device_remove_file(&ams_info.of_dev->dev, &dev_attr_joystick);
mutex_lock(&ams_input_mutex);
ams_input_disable();
mutex_unlock(&ams_input_mutex);
}
static ssize_t ams_input_store_joystick(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
if (sscanf(buf, "%d\n", &joystick) != 1)
return -EINVAL;
mutex_lock(&ams_info.lock);
if (joystick)
ams_input_enable();
else
ams_input_disable();
mutex_unlock(&ams_info.lock);
return count;
}
/* Call with ams_info.lock held! */
void ams_input_exit(void)
{
ams_input_disable();
device_remove_file(&ams_info.of_dev->dev, &dev_attr_joystick);
}