ASoC: wm5100: match wait_for_completion_timeout return type

return type of wait_for_completion_timeout is unsigned long not int. An
appropriately named unsigned long is added and the assignment fixed up.
Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/wm5100.c

@@ -1762,6 +1762,7 @@ static int wm5100_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
 	struct _fll_div factors;
 	struct wm5100_fll *fll;
 	int ret, base, lock, i, timeout;
+	unsigned long time_left;
 
 	switch (fll_id) {
 	case WM5100_FLL1:
@@ -1842,9 +1843,9 @@ static int wm5100_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
 	/* Poll for the lock; will use interrupt when we can test */
 	for (i = 0; i < timeout; i++) {
 		if (i2c->irq) {
-			ret = wait_for_completion_timeout(&fll->lock,
-							  msecs_to_jiffies(25));
-			if (ret > 0)
+			time_left = wait_for_completion_timeout(&fll->lock,
+							msecs_to_jiffies(25));
+			if (time_left > 0)
 				break;
 		} else {
 			msleep(1);