From 4b4df95dccdd2c6a573c9dedefb747ed663c074d Mon Sep 17 00:00:00 2001
From: Jean Delvare <khali@linux-fr.org>
Date: Mon, 3 Dec 2007 23:23:21 +0100
Subject: [PATCH] hwmon: (lm85) Return standard values in pwmN_enable
The values returned by the lm85 driver in pwmN_enable sysfs files do
not match the standard. Fix that.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Mark M. Hoffman <mhoffman@lightlink.com>
---
drivers/hwmon/lm85.c | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/drivers/hwmon/lm85.c b/drivers/hwmon/lm85.c
index a02480be65f2..194b8fb52f0e 100644
--- a/drivers/hwmon/lm85.c
+++ b/drivers/hwmon/lm85.c
@@ -519,10 +519,21 @@ static ssize_t show_pwm_enable(struct device *dev, struct device_attribute
{
int nr = to_sensor_dev_attr(attr)->index;
struct lm85_data *data = lm85_update_device(dev);
- int pwm_zone;
+ int pwm_zone, enable;
pwm_zone = ZONE_FROM_REG(data->autofan[nr].config);
- return sprintf(buf,"%d\n", (pwm_zone != 0 && pwm_zone != -1) );
+ switch (pwm_zone) {
+ case -1: /* PWM is always at 100% */
+ enable = 0;
+ break;
+ case 0: /* PWM is always at 0% */
+ case -2: /* PWM responds to manual control */
+ enable = 1;
+ break;
+ default: /* PWM in automatic mode */
+ enable = 2;
+ }
+ return sprintf(buf, "%d\n", enable);
}
#define show_pwm_reg(offset) \
--
2.20.1