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>
diff --git a/include/sound/soc.h b/include/sound/soc.h
index d9d88dd..5d234a8 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -521,7 +521,7 @@
 	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;
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index c2008bc..e1c0336 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -136,7 +136,7 @@
 	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,