ASoC: arizona: 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/arizona.c

@@ -1901,7 +1901,7 @@ static int arizona_is_enabled_fll(struct arizona_fll *fll)
 static int arizona_enable_fll(struct arizona_fll *fll)
 {
 	struct arizona *arizona = fll->arizona;
-	int ret;
+	unsigned long time_left;
 	bool use_sync = false;
 	int already_enabled = arizona_is_enabled_fll(fll);
 	struct arizona_fll_cfg cfg;
@@ -1977,9 +1977,9 @@ static int arizona_enable_fll(struct arizona_fll *fll)
 		regmap_update_bits_async(arizona->regmap, fll->base + 1,
 					 ARIZONA_FLL1_FREERUN, 0);
 
-	ret = wait_for_completion_timeout(&fll->ok,
+	time_left = wait_for_completion_timeout(&fll->ok,
 					  msecs_to_jiffies(250));
-	if (ret == 0)
+	if (time_left == 0)
 		arizona_fll_warn(fll, "Timed out waiting for lock\n");
 
 	return 0;