hwmon: (f71882fg) Printout fan modes

Print the mode (duty-cycle or RPM) of each fan on driver load.

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

1 files changed, 9 insertions, 4 deletions

diff --git a/drivers/hwmon/f71882fg.c b/drivers/hwmon/f71882fg.c
index 0ef7265336b..a6dc3c7787f 100644
--- a/drivers/hwmon/f71882fg.c
+++ b/drivers/hwmon/f71882fg.c
@@ -1711,7 +1711,7 @@ static int __devinit f71882fg_probe(struct platform_device *pdev)
 {
         struct f71882fg_data *data;
         struct f71882fg_sio_data *sio_data = pdev->dev.platform_data;
-        int err;
+        int err, i, nr_fans = (sio_data->type == f71882fg) ? 4 : 3;
         u8 start_reg;
 
         data = kzalloc(sizeof(struct f71882fg_data), GFP_KERNEL);
@@ -1735,14 +1735,14 @@ static int __devinit f71882fg_probe(struct platform_device *pdev)
                 goto exit_free;
         }
 
+        data->pwm_enable = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
         /* If it is a 71862 and the fan / pwm part is enabled sanity check
            the pwm settings */
         if (data->type == f71862fg && (start_reg & 0x02)) {
-                u8 reg = f71882fg_read8(data, F71882FG_REG_PWM_ENABLE);
-                if ((reg & 0x15) != 0x15) {
+                if ((data->pwm_enable & 0x15) != 0x15) {
                         dev_err(&pdev->dev,
                                 "Invalid (reserved) pwm settings: 0x%02x\n",
-                                (unsigned int)reg);
+                                (unsigned int)data->pwm_enable);
                         err = -ENODEV;
                         goto exit_free;
                 }
@@ -1802,6 +1802,11 @@ static int __devinit f71882fg_probe(struct platform_device *pdev)
                 }
                 if (err)
                         goto exit_unregister_sysfs;
+
+                for (i = 0; i < nr_fans; i++)
+                        dev_info(&pdev->dev, "Fan: %d is in %s mode\n", i + 1,
+                                 (data->pwm_enable & (1 << 2 * i)) ?
+                                 "duty-cycle" : "RPM");
         }
 
         data->hwmon_dev = hwmon_device_register(&pdev->dev);