---

yaml
---
r: 347349
b: refs/heads/master
c: 275b7d6
h: refs/heads/master
i:
  347347: e264163
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d6dab7dd123ba6a737e69d89c8cca9c6d9b75aa9
+refs/heads/master: 275b7d6ebe9e3599b2d178089171afd63d3fda02

trunk/drivers/hwmon/w83627hf.c

@@ -5,7 +5,7 @@
  *			      Philip Edelbrock <phil@netroedge.com>,
  *			      and Mark Studebaker <mdsxyz123@yahoo.com>
  * Ported to 2.6 by Bernhard C. Schrenk <clemy@clemy.org>
- * Copyright (c) 2007  Jean Delvare <khali@linux-fr.org>
+ * Copyright (c) 2007 - 1012  Jean Delvare <khali@linux-fr.org>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -389,6 +389,12 @@ struct w83627hf_data {
 				 */
 	u8 vrm;
 	u8 vrm_ovt;		/* Register value, 627THF/637HF/687THF only */
+
+#ifdef CONFIG_PM
+	/* Remember extra register values over suspend/resume */
+	u8 scfg1;
+	u8 scfg2;
+#endif
 };
 
 
@@ -401,10 +407,77 @@ static void w83627hf_update_fan_div(struct w83627hf_data *data);
 static struct w83627hf_data *w83627hf_update_device(struct device *dev);
 static void w83627hf_init_device(struct platform_device *pdev);
 
+#ifdef CONFIG_PM
+static int w83627hf_suspend(struct device *dev)
+{
+	struct w83627hf_data *data = w83627hf_update_device(dev);
+
+	mutex_lock(&data->update_lock);
+	data->scfg1 = w83627hf_read_value(data, W83781D_REG_SCFG1);
+	data->scfg2 = w83627hf_read_value(data, W83781D_REG_SCFG2);
+	mutex_unlock(&data->update_lock);
+
+	return 0;
+}
+
+static int w83627hf_resume(struct device *dev)
+{
+	struct w83627hf_data *data = dev_get_drvdata(dev);
+	int i, num_temps = (data->type == w83697hf) ? 2 : 3;
+
+	/* Restore limits */
+	mutex_lock(&data->update_lock);
+	for (i = 0; i <= 8; i++) {
+		/* skip missing sensors */
+		if (((data->type == w83697hf) && (i == 1)) ||
+		    ((data->type != w83627hf && data->type != w83697hf)
+		    && (i == 5 || i == 6)))
+			continue;
+		w83627hf_write_value(data, W83781D_REG_IN_MAX(i),
+				     data->in_max[i]);
+		w83627hf_write_value(data, W83781D_REG_IN_MIN(i),
+				     data->in_min[i]);
+	}
+	for (i = 0; i <= 2; i++)
+		w83627hf_write_value(data, W83627HF_REG_FAN_MIN(i),
+				     data->fan_min[i]);
+	for (i = 0; i < num_temps; i++) {
+		w83627hf_write_value(data, w83627hf_reg_temp_over[i],
+				     data->temp_max[i]);
+		w83627hf_write_value(data, w83627hf_reg_temp_hyst[i],
+				     data->temp_max_hyst[i]);
+	}
+
+	/* Fixup BIOS bugs */
+	if (data->type == w83627thf || data->type == w83637hf ||
+	    data->type == w83687thf)
+		w83627hf_write_value(data, W83627THF_REG_VRM_OVT_CFG,
+				     data->vrm_ovt);
+	w83627hf_write_value(data, W83781D_REG_SCFG1, data->scfg1);
+	w83627hf_write_value(data, W83781D_REG_SCFG2, data->scfg2);
+
+	/* Force re-reading all values */
+	data->valid = 0;
+	mutex_unlock(&data->update_lock);
+
+	return 0;
+}
+
+static const struct dev_pm_ops w83627hf_dev_pm_ops = {
+	.suspend = w83627hf_suspend,
+	.resume = w83627hf_resume,
+};
+
+#define W83627HF_DEV_PM_OPS	(&w83627hf_dev_pm_ops)
+#else
+#define W83627HF_DEV_PM_OPS	NULL
+#endif /* CONFIG_PM */
+
 static struct platform_driver w83627hf_driver = {
 	.driver = {
 		.owner	= THIS_MODULE,
 		.name	= DRVNAME,
+		.pm	= W83627HF_DEV_PM_OPS,
 	},
 	.probe		= w83627hf_probe,
 	.remove		= w83627hf_remove,