hwmon: (f71882fg) Check for hwmon powerdown state

More F8000 prep work. Take over the checking if the hwmon part is not
powered down from the standalone f8000 driver.

This check is valid for all supported models.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c
index de559923454c24c7f25930d8b461cc73c578ead4..03a4f84b4e5cd4df420f9b2f99db045413c6cc3d 100644 (file)
--- a/drivers/hwmon/f71882fg.c
+++ b/drivers/hwmon/f71882fg.c
@@ -1500,6 +1500,11 @@ static int __devinit f71882fg_probe(struct platform_device *pdev)
        platform_set_drvdata(pdev, data);
 
        start_reg = f71882fg_read8(data, F71882FG_REG_START);
+       if (start_reg & 0x04) {
+               dev_warn(&pdev->dev, "Hardware monitor is powered down\n");
+               err = -ENODEV;
+               goto exit_free;
+       }
        if (!(start_reg & 0x03)) {
                dev_warn(&pdev->dev, "Hardware monitoring not activated\n");
                err = -ENODEV;