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hwmon: (f75375s) Disable setting DC fan control mode for F75373
F75373 does not support DC (linear voltage) fan control mode, so don't let the user set it. Cc: Riku Voipio <riku.voipio@iki.fi> Reviewed-by: Bjoern Gerhart <oss@extracloud.de> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
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@ -372,6 +372,10 @@ static ssize_t set_pwm_mode(struct device *dev, struct device_attribute *attr,
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if (!(val == 0 || val == 1))
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return -EINVAL;
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/* F75373 does not support DC (linear voltage) fan control mode */
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if (data->kind == f75373 && val == 0)
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return -EINVAL;
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mutex_lock(&data->update_lock);
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conf = f75375_read8(client, F75375_REG_CONFIG1);
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conf &= ~(1 << FAN_CTRL_LINEAR(nr));
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