1 files changed, 4 insertions, 1 deletions

diff --git a/sound/soc/codecs/max98090.c b/sound/soc/codecs/max98090.c
index a5b0c40ee545..b9f15a260c78 100644
--- a/sound/soc/codecs/max98090.c
+++ b/sound/soc/codecs/max98090.c
@@ -419,6 +419,9 @@ static int max98090_put_enab_tlv(struct snd_kcontrol *kcontrol,
 
         val = (val >> mc->shift) & mask;
 
+        if (sel < 0 || sel > mc->max)
+                return -EINVAL;
+
         *select = sel;
 
         /* Setting a volume is only valid if it is already On */
@@ -433,7 +436,7 @@ static int max98090_put_enab_tlv(struct snd_kcontrol *kcontrol,
                 mask << mc->shift,
                 sel << mc->shift);
 
-        return 0;
+        return *select != val;
 }
 
 static const char *max98090_perf_pwr_text[] =