[lm-sensors] [patch 2.6.27-rc6 2/6] hwmon/pc87360 separate sysfs _alarm files - voltages

Jim Cromie jim.cromie at gmail.com
Wed Sep 10 11:33:59 CEST 2008


inlined & attached

 From 92e4abc519b51ed3c80ec69854bdb6fc35c41e4b Mon Sep 17 00:00:00 2001
From: Jim Cromie <jim.cromie at gmail.com>
Date: Sat, 28 Jun 2008 12:25:52 -0600
Subject: [PATCH] hwmon/pc87360 separate alarm files - add in-min/max-alarms

Adds vin-min/max-alarm callbacks, sensor-device-attribute
declarations, and refs to those new decls in the macro used to
initialize the vin_group (of sysfs files)

Signed-off-by: Jim Cromie <jim.cromie at gmail.com>
---
 drivers/hwmon/pc87360.c |   52 
++++++++++++++++++++++++++++++++++++++++++++++-
 1 files changed, 51 insertions(+), 1 deletions(-)

diff --git a/drivers/hwmon/pc87360.c b/drivers/hwmon/pc87360.c
index 1043b11..3b6ea7b 100644
--- a/drivers/hwmon/pc87360.c
+++ b/drivers/hwmon/pc87360.c
@@ -494,11 +494,61 @@ static struct sensor_device_attribute in_max[] = {
 #define CHAN_ALM_MAX    0x04    /* max limit exceeded */
 #define TEMP_ALM_CRIT    0x08    /* temp crit exceeded (temp only) */
 
+/* show_in_min/max_alarm() reads data from the per-channel status
+   register (sec 11.5.12), not the vin event status registers (sec
+   11.5.2) that (legacy) show_in_alarm() resds (via data->in_alarms) */
+
+static ssize_t show_in_min_alarm(struct device *dev, struct 
device_attribute
+                 *devattr, char *buf)
+{
+    struct pc87360_data *data = pc87360_update_device(dev);
+    unsigned nr = to_sensor_dev_attr(devattr)->index;
+
+    return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MIN));
+}
+static ssize_t show_in_max_alarm(struct device *dev, struct 
device_attribute
+                 *devattr, char *buf)
+{
+    struct pc87360_data *data = pc87360_update_device(dev);
+    unsigned nr = to_sensor_dev_attr(devattr)->index;
+
+    return sprintf(buf, "%u\n", !!(data->in_status[nr] & CHAN_ALM_MAX));
+}
+
+static struct sensor_device_attribute in_min_alarm[] = {
+    SENSOR_ATTR(in0_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 0),
+    SENSOR_ATTR(in1_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 1),
+    SENSOR_ATTR(in2_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 2),
+    SENSOR_ATTR(in3_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 3),
+    SENSOR_ATTR(in4_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 4),
+    SENSOR_ATTR(in5_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 5),
+    SENSOR_ATTR(in6_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 6),
+    SENSOR_ATTR(in7_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 7),
+    SENSOR_ATTR(in8_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 8),
+    SENSOR_ATTR(in9_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 9),
+    SENSOR_ATTR(in10_min_alarm, S_IRUGO, show_in_min_alarm, NULL, 10),
+};
+static struct sensor_device_attribute in_max_alarm[] = {
+    SENSOR_ATTR(in0_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 0),
+    SENSOR_ATTR(in1_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 1),
+    SENSOR_ATTR(in2_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 2),
+    SENSOR_ATTR(in3_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 3),
+    SENSOR_ATTR(in4_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 4),
+    SENSOR_ATTR(in5_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 5),
+    SENSOR_ATTR(in6_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 6),
+    SENSOR_ATTR(in7_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 7),
+    SENSOR_ATTR(in8_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 8),
+    SENSOR_ATTR(in9_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 9),
+    SENSOR_ATTR(in10_max_alarm, S_IRUGO, show_in_max_alarm, NULL, 10),
+};
+
 #define VIN_UNIT_ATTRS(X) \
     &in_input[X].dev_attr.attr,    \
     &in_status[X].dev_attr.attr,    \
     &in_min[X].dev_attr.attr,    \
-    &in_max[X].dev_attr.attr
+    &in_max[X].dev_attr.attr,    \
+    &in_min_alarm[X].dev_attr.attr,    \
+    &in_max_alarm[X].dev_attr.attr
 
 static ssize_t show_vid(struct device *dev, struct device_attribute 
*attr, char *buf)
 {
-- 
1.5.5.1






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