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>

parent b1b561a2

drivers/hwmon/f75375s.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -372,6 +372,10 @@ static ssize_t set_pwm_mode(struct device dev, struct device_attribute attr,
		if (!(val == 0 \|\| val == 1))
		return -EINVAL;

		/* F75373 does not support DC (linear voltage) fan control mode */
		if (data->kind == f75373 && val == 0)
		return -EINVAL;

		mutex_lock(&data->update_lock);
		conf = f75375_read8(client, F75375_REG_CONFIG1);
		conf &= ~(1 << FAN_CTRL_LINEAR(nr));