power: supply: cros_charge-control: allow start_threshold == end_threshold

Allow setting the start and stop thresholds to the same value.
There is no reason to disallow it.

Suggested-by: Thomas Koch <linrunner@gmx.net>
Fixes: c6ed48e ("power: supply: add ChromeOS EC based charge control driver")
Cc: stable@vger.kernel.org
Signed-off-by: Thomas Weißschuh <linux@weissschuh.net>
Link: https://lore.kernel.org/r/20241208-cros_charge-control-v2-v1-2-8d168d0f08a3@weissschuh.net
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.com>

Author: t-8ch

drivers/power/supply/cros_charge-control.c

@@ -139,11 +139,11 @@ static ssize_t cros_chctl_store_threshold(struct device *dev, struct cros_chctl_
 		return -EINVAL;
 
 	if (is_end_threshold) {
-		if (val <= priv->current_start_threshold)
+		if (val < priv->current_start_threshold)
 			return -EINVAL;
 		priv->current_end_threshold = val;
 	} else {
-		if (val >= priv->current_end_threshold)
+		if (val > priv->current_end_threshold)
 			return -EINVAL;
 		priv->current_start_threshold = val;
 	}