hwmon: (max31790) Set correct PWM value

[ Upstream commit dd7406dd334a98ada3ff5371847a3eeb4ba16313 ]

Traced fans not spinning to incorrect PWM value being written.
The passed in value was written instead of the calulated value.

Fixes: 54187ff9d766 ("hwmon: (max31790) Convert to use new hwmon registration API")
Signed-off-by: Alex Hemme <ahemme@cisco.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/hwmon/max31790.c b/drivers/hwmon/max31790.c
index c1b9275978f9d9ee9172e99e569de7dca48b491d..281491cca5103ad4b82e2f2a52be6f2408262bdb 100644 (file)
--- a/drivers/hwmon/max31790.c
+++ b/drivers/hwmon/max31790.c
@@ -311,7 +311,7 @@ static int max31790_write_pwm(struct device *dev, u32 attr, int channel,
                data->pwm[channel] = val << 8;
                err = i2c_smbus_write_word_swapped(client,
                                                   MAX31790_REG_PWMOUT(channel),
-                                                  val);
+                                                  data->pwm[channel]);
                break;
        case hwmon_pwm_enable:
                fan_config = data->fan_config[channel];