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hwmon: (it87) Ensure that pwm control cache is current before updating values

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am: 6c95eba9ca

Change-Id: I5f06541ef3e2cbe962135210fa90372fcb495994
This commit is contained in:
Guenter Roeck
2017-03-12 08:15:37 +00:00
committed by android-build-merger
parent 4de83bd781 6c95eba9ca
commit 0622cb7f62
1 changed files with 2 additions and 0 deletions
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2
drivers/hwmon/it87.c
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@@ -1354,6 +1354,7 @@ static ssize_t set_pwm(struct device *dev, struct device_attribute *attr,
return -EINVAL;
mutex_lock(&data->update_lock);
it87_update_pwm_ctrl(data, nr);
if (has_newer_autopwm(data)) {
/*
* If we are in automatic mode, the PWM duty cycle register
@@ -1466,6 +1467,7 @@ static ssize_t set_pwm_temp_map(struct device *dev,
}
mutex_lock(&data->update_lock);
it87_update_pwm_ctrl(data, nr);
data->pwm_temp_map[nr] = reg;
/*
* If we are in automatic mode, write the temp mapping immediately;