ASoC: Make pmdown_time a long

Fixes a warning.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>

include/sound/soc.h

@@ -521,7 +521,7 @@ struct snd_soc_card {
 	int (*set_bias_level)(struct snd_soc_card *,
 			      enum snd_soc_bias_level level);
 
-	int pmdown_time;
+	long pmdown_time;
 
 	/* CPU <--> Codec DAI links  */
 	struct snd_soc_dai_link *dai_link;

sound/soc/soc-core.c

@@ -136,7 +136,7 @@ static ssize_t pmdown_time_show(struct device *dev,
 	struct snd_soc_device *socdev = dev_get_drvdata(dev);
 	struct snd_soc_card *card = socdev->card;
 
-	return sprintf(buf, "%d\n", card->pmdown_time);
+	return sprintf(buf, "%ld\n", card->pmdown_time);
 }
 
 static ssize_t pmdown_time_set(struct device *dev,