From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751968AbcF3Gpk (ORCPT ); Thu, 30 Jun 2016 02:45:40 -0400 Received: from bh-25.webhostbox.net ([208.91.199.152]:34288 "EHLO bh-25.webhostbox.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751203AbcF3Gph (ORCPT ); Thu, 30 Jun 2016 02:45:37 -0400 From: Guenter Roeck To: Jean Delvare Cc: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, Guenter Roeck Subject: [PATCH v3 3/4] hwmon: (lm75) Add update_interval attribute Date: Wed, 29 Jun 2016 23:45:27 -0700 Message-Id: <1467269128-7448-3-git-send-email-linux@roeck-us.net> X-Mailer: git-send-email 2.5.0 In-Reply-To: <1467269128-7448-1-git-send-email-linux@roeck-us.net> References: <1467269128-7448-1-git-send-email-linux@roeck-us.net> X-Authenticated_sender: guenter@roeck-us.net X-OutGoing-Spam-Status: No, score=-1.0 X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - bh-25.webhostbox.net X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - roeck-us.net X-Get-Message-Sender-Via: bh-25.webhostbox.net: authenticated_id: guenter@roeck-us.net X-Authenticated-Sender: bh-25.webhostbox.net: guenter@roeck-us.net X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@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, v3: 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