ASoC: Fix type for snd_soc_volatile_register()

We generally refer to registers as unsigned ints (including in the
underlying CODEC driver operation).

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

1 files changed, 2 insertions, 1 deletions

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index b0e7689159c1..14861f95f629 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -2029,7 +2029,8 @@ static int soc_new_pcm(struct snd_soc_pcm_runtime *rtd, int num)
  *
  * Boolean function indiciating if a CODEC register is volatile.
  */
-int snd_soc_codec_volatile_register(struct snd_soc_codec *codec, int reg)
+int snd_soc_codec_volatile_register(struct snd_soc_codec *codec,
+                                    unsigned int reg)
 {
         if (codec->volatile_register)
                 return codec->volatile_register(codec, reg);