X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fhwmon%2Flm83.c;h=feb87b41e9865ab10750c9bf247797690ae6d67b;hb=164891aadf1721fca4dce473bb0e0998181537c6;hp=2137d7879df668f1f91e46d94a77ed8a2adca043;hpb=71d530cd1b6d97094481002a04c77fea1c8e1c22;p=powerpc.git diff --git a/drivers/hwmon/lm83.c b/drivers/hwmon/lm83.c index 2137d7879d..feb87b41e9 100644 --- a/drivers/hwmon/lm83.c +++ b/drivers/hwmon/lm83.c @@ -1,7 +1,7 @@ /* * lm83.c - Part of lm_sensors, Linux kernel modules for hardware * monitoring - * Copyright (C) 2003-2005 Jean Delvare + * Copyright (C) 2003-2006 Jean Delvare * * Heavily inspired from the lm78, lm75 and adm1021 drivers. The LM83 is * a sensor chip made by National Semiconductor. It reports up to four @@ -40,6 +40,7 @@ #include #include #include +#include /* * Addresses to scan @@ -191,6 +192,16 @@ static ssize_t show_alarms(struct device *dev, struct device_attribute *dummy, return sprintf(buf, "%d\n", data->alarms); } +static ssize_t show_alarm(struct device *dev, struct device_attribute + *devattr, char *buf) +{ + struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); + struct lm83_data *data = lm83_update_device(dev); + int bitnr = attr->index; + + return sprintf(buf, "%d\n", (data->alarms >> bitnr) & 1); +} + static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, show_temp, NULL, 0); static SENSOR_DEVICE_ATTR(temp2_input, S_IRUGO, show_temp, NULL, 1); static SENSOR_DEVICE_ATTR(temp3_input, S_IRUGO, show_temp, NULL, 2); @@ -208,8 +219,64 @@ static SENSOR_DEVICE_ATTR(temp2_crit, S_IRUGO, show_temp, NULL, 8); static SENSOR_DEVICE_ATTR(temp3_crit, S_IWUSR | S_IRUGO, show_temp, set_temp, 8); static SENSOR_DEVICE_ATTR(temp4_crit, S_IRUGO, show_temp, NULL, 8); + +/* Individual alarm files */ +static SENSOR_DEVICE_ATTR(temp1_crit_alarm, S_IRUGO, show_alarm, NULL, 0); +static SENSOR_DEVICE_ATTR(temp3_crit_alarm, S_IRUGO, show_alarm, NULL, 1); +static SENSOR_DEVICE_ATTR(temp3_input_fault, S_IRUGO, show_alarm, NULL, 2); +static SENSOR_DEVICE_ATTR(temp3_max_alarm, S_IRUGO, show_alarm, NULL, 4); +static SENSOR_DEVICE_ATTR(temp1_max_alarm, S_IRUGO, show_alarm, NULL, 6); +static SENSOR_DEVICE_ATTR(temp2_crit_alarm, S_IRUGO, show_alarm, NULL, 8); +static SENSOR_DEVICE_ATTR(temp4_crit_alarm, S_IRUGO, show_alarm, NULL, 9); +static SENSOR_DEVICE_ATTR(temp4_input_fault, S_IRUGO, show_alarm, NULL, 10); +static SENSOR_DEVICE_ATTR(temp4_max_alarm, S_IRUGO, show_alarm, NULL, 12); +static SENSOR_DEVICE_ATTR(temp2_input_fault, S_IRUGO, show_alarm, NULL, 13); +static SENSOR_DEVICE_ATTR(temp2_max_alarm, S_IRUGO, show_alarm, NULL, 15); +/* Raw alarm file for compatibility */ static DEVICE_ATTR(alarms, S_IRUGO, show_alarms, NULL); +static struct attribute *lm83_attributes[] = { + &sensor_dev_attr_temp1_input.dev_attr.attr, + &sensor_dev_attr_temp3_input.dev_attr.attr, + &sensor_dev_attr_temp1_max.dev_attr.attr, + &sensor_dev_attr_temp3_max.dev_attr.attr, + &sensor_dev_attr_temp1_crit.dev_attr.attr, + &sensor_dev_attr_temp3_crit.dev_attr.attr, + + &sensor_dev_attr_temp1_crit_alarm.dev_attr.attr, + &sensor_dev_attr_temp3_crit_alarm.dev_attr.attr, + &sensor_dev_attr_temp3_input_fault.dev_attr.attr, + &sensor_dev_attr_temp3_max_alarm.dev_attr.attr, + &sensor_dev_attr_temp1_max_alarm.dev_attr.attr, + &dev_attr_alarms.attr, + NULL +}; + +static const struct attribute_group lm83_group = { + .attrs = lm83_attributes, +}; + +static struct attribute *lm83_attributes_opt[] = { + &sensor_dev_attr_temp2_input.dev_attr.attr, + &sensor_dev_attr_temp4_input.dev_attr.attr, + &sensor_dev_attr_temp2_max.dev_attr.attr, + &sensor_dev_attr_temp4_max.dev_attr.attr, + &sensor_dev_attr_temp2_crit.dev_attr.attr, + &sensor_dev_attr_temp4_crit.dev_attr.attr, + + &sensor_dev_attr_temp2_crit_alarm.dev_attr.attr, + &sensor_dev_attr_temp4_crit_alarm.dev_attr.attr, + &sensor_dev_attr_temp4_input_fault.dev_attr.attr, + &sensor_dev_attr_temp4_max_alarm.dev_attr.attr, + &sensor_dev_attr_temp2_input_fault.dev_attr.attr, + &sensor_dev_attr_temp2_max_alarm.dev_attr.attr, + NULL +}; + +static const struct attribute_group lm83_group_opt = { + .attrs = lm83_attributes_opt, +}; + /* * Real code */ @@ -318,59 +385,32 @@ static int lm83_detect(struct i2c_adapter *adapter, int address, int kind) goto exit_free; /* - * Initialize the LM83 chip - * (Nothing to do for this one.) - */ - - /* Register sysfs hooks */ - data->class_dev = hwmon_device_register(&new_client->dev); - if (IS_ERR(data->class_dev)) { - err = PTR_ERR(data->class_dev); - goto exit_detach; - } - - /* + * Register sysfs hooks * The LM82 can only monitor one external diode which is * at the same register as the LM83 temp3 entry - so we * declare 1 and 3 common, and then 2 and 4 only for the LM83. */ - device_create_file(&new_client->dev, - &sensor_dev_attr_temp1_input.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_temp3_input.dev_attr); - - device_create_file(&new_client->dev, - &sensor_dev_attr_temp1_max.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_temp3_max.dev_attr); - - device_create_file(&new_client->dev, - &sensor_dev_attr_temp1_crit.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_temp3_crit.dev_attr); - - device_create_file(&new_client->dev, &dev_attr_alarms); + if ((err = sysfs_create_group(&new_client->dev.kobj, &lm83_group))) + goto exit_detach; if (kind == lm83) { - device_create_file(&new_client->dev, - &sensor_dev_attr_temp2_input.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_temp4_input.dev_attr); - - device_create_file(&new_client->dev, - &sensor_dev_attr_temp2_max.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_temp4_max.dev_attr); - - device_create_file(&new_client->dev, - &sensor_dev_attr_temp2_crit.dev_attr); - device_create_file(&new_client->dev, - &sensor_dev_attr_temp4_crit.dev_attr); + if ((err = sysfs_create_group(&new_client->dev.kobj, + &lm83_group_opt))) + goto exit_remove_files; + } + + data->class_dev = hwmon_device_register(&new_client->dev); + if (IS_ERR(data->class_dev)) { + err = PTR_ERR(data->class_dev); + goto exit_remove_files; } return 0; +exit_remove_files: + sysfs_remove_group(&new_client->dev.kobj, &lm83_group); + sysfs_remove_group(&new_client->dev.kobj, &lm83_group_opt); exit_detach: i2c_detach_client(new_client); exit_free: @@ -385,6 +425,8 @@ static int lm83_detach_client(struct i2c_client *client) int err; hwmon_device_unregister(data->class_dev); + sysfs_remove_group(&client->dev.kobj, &lm83_group); + sysfs_remove_group(&client->dev.kobj, &lm83_group_opt); if ((err = i2c_detach_client(client))) return err;