コード例 #1
0
static ssize_t attr_status_show(struct device *dev,
				struct device_attribute *attr, char *buf)
{
	struct lm3561_drv_data *data = dev_get_drvdata(dev);
	int result;
	u8 status;

	result = lm3561_check_status(data, &status);

	if (result)
		return result;

	return snprintf(buf, PAGE_SIZE, "%d\n", status);

}
コード例 #2
0
static ssize_t attr_status_show(struct device *dev,
				struct device_attribute *attr, char *buf)
{
	struct lm3561_drv_data *data = dev_get_drvdata(dev);
	int result;
	u8 status;

	result = pm_runtime_get_sync(&data->client->dev);
	if (result < 0)
		return result;
	result = lm3561_check_status(data, &status);
	pm_runtime_mark_last_busy(&data->client->dev);
	pm_runtime_put_autosuspend(&data->client->dev);
	if (result)
		return result;

	return snprintf(buf, PAGE_SIZE, "%d\n", status);

}