linux-kernel - [ 052/127] hwmon: (ads7871) Add name sysfs attribute

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Message-Id: <20120928203051.894511720@linuxfoundation.org>
Date:	Fri, 28 Sep 2012 13:33:45 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	alan@...rguk.ukuu.org.uk, Paul Thomas <pthomas8589@...il.com>,
	Guenter Roeck <linux@...ck-us.net>,
	Jean Delvare <khali@...ux-fr.org>
Subject: [ 052/127] hwmon: (ads7871) Add name sysfs attribute

3.0-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Guenter Roeck <linux@...ck-us.net>

commit 4e21f4eaa49f78d3e977e316514c941053871c76 upstream.

The 'name' sysfs attribute is mandatory for hwmon devices, but was missing
in this driver.

Cc: Paul Thomas <pthomas8589@...il.com>
Signed-off-by: Guenter Roeck <linux@...ck-us.net>
Acked-by: Jean Delvare <khali@...ux-fr.org>
Acked-by: Paul Thomas <pthomas8589@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/hwmon/ads7871.c |    9 +++++++++
 1 file changed, 9 insertions(+)

--- a/drivers/hwmon/ads7871.c
+++ b/drivers/hwmon/ads7871.c
@@ -133,6 +133,12 @@ static ssize_t show_voltage(struct devic
 	}
 }
 
+static ssize_t ads7871_show_name(struct device *dev,
+				 struct device_attribute *devattr, char *buf)
+{
+	return sprintf(buf, "%s\n", to_spi_device(dev)->modalias);
+}
+
 static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_voltage, NULL, 0);
 static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_voltage, NULL, 1);
 static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_voltage, NULL, 2);
@@ -142,6 +148,8 @@ static SENSOR_DEVICE_ATTR(in5_input, S_I
 static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_voltage, NULL, 6);
 static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_voltage, NULL, 7);
 
+static DEVICE_ATTR(name, S_IRUGO, ads7871_show_name, NULL);
+
 static struct attribute *ads7871_attributes[] = {
 	&sensor_dev_attr_in0_input.dev_attr.attr,
 	&sensor_dev_attr_in1_input.dev_attr.attr,
@@ -151,6 +159,7 @@ static struct attribute *ads7871_attribu
 	&sensor_dev_attr_in5_input.dev_attr.attr,
 	&sensor_dev_attr_in6_input.dev_attr.attr,
 	&sensor_dev_attr_in7_input.dev_attr.attr,
+	&dev_attr_name.attr,
 	NULL
 };
 


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