From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from bh-25.webhostbox.net ([208.91.199.152]:37316 "EHLO bh-25.webhostbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751997AbcF3Dnv (ORCPT ); Wed, 29 Jun 2016 23:43:51 -0400 From: Guenter Roeck To: Jean Delvare Cc: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, Guenter Roeck Subject: [PATCH v2 3/4] hwmon: (lm75) Add update_interval attribute Date: Wed, 29 Jun 2016 20:43:40 -0700 Message-Id: <1467258221-3742-3-git-send-email-linux@roeck-us.net> In-Reply-To: <1467258221-3742-1-git-send-email-linux@roeck-us.net> References: <1467258221-3742-1-git-send-email-linux@roeck-us.net> Sender: linux-hwmon-owner@vger.kernel.org List-Id: linux-hwmon@vger.kernel.org Since we know the chip's update interval, let's make it available to the user. Signed-off-by: Guenter Roeck --- v2: No change drivers/hwmon/lm75.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c index 7b18cbd4a5ec..fe83f70ba62a 100644 --- a/drivers/hwmon/lm75.c +++ b/drivers/hwmon/lm75.c @@ -159,16 +159,29 @@ static ssize_t set_temp(struct device *dev, struct device_attribute *da, return count; } +static ssize_t show_update_interval(struct device *dev, + struct device_attribute *da, char *buf) +{ + struct lm75_data *data = lm75_update_device(dev); + + if (IS_ERR(data)) + return PTR_ERR(data); + + return sprintf(buf, "%u\n", jiffies_to_msecs(data->sample_time)); +} + static SENSOR_DEVICE_ATTR(temp1_max, S_IWUSR | S_IRUGO, show_temp, set_temp, 1); static SENSOR_DEVICE_ATTR(temp1_max_hyst, S_IWUSR | S_IRUGO, show_temp, set_temp, 2); static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); +static DEVICE_ATTR(update_interval, S_IRUGO, show_update_interval, NULL); static struct attribute *lm75_attrs[] = { &sensor_dev_attr_temp1_input.dev_attr.attr, &sensor_dev_attr_temp1_max.dev_attr.attr, &sensor_dev_attr_temp1_max_hyst.dev_attr.attr, + &dev_attr_update_interval.attr, NULL }; -- 2.5.0