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-rw-r--r--sound/soc/codecs/wm8958-dsp2.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8958-dsp2.c b/sound/soc/codecs/wm8958-dsp2.c
index 5d4bc7a21df7..ca26779bb6b2 100644
--- a/sound/soc/codecs/wm8958-dsp2.c
+++ b/sound/soc/codecs/wm8958-dsp2.c
@@ -508,6 +508,9 @@ static int wm8958_mbc_put(struct snd_kcontrol *kcontrol,
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+ if (wm8994->mbc_ena[mbc] == ucontrol->value.integer.value[0])
+ return 0;
+
if (ucontrol->value.integer.value[0] > 1)
return -EINVAL;
@@ -628,6 +631,9 @@ static int wm8958_vss_put(struct snd_kcontrol *kcontrol,
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+ if (wm8994->vss_ena[vss] == ucontrol->value.integer.value[0])
+ return 0;
+
if (ucontrol->value.integer.value[0] > 1)
return -EINVAL;
@@ -689,6 +695,16 @@ static int wm8958_hpf_put(struct snd_kcontrol *kcontrol,
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+ if (hpf < 3) {
+ if (wm8994->hpf1_ena[hpf % 3] ==
+ ucontrol->value.integer.value[0])
+ return 0;
+ } else {
+ if (wm8994->hpf2_ena[hpf % 3] ==
+ ucontrol->value.integer.value[0])
+ return 0;
+ }
+
if (ucontrol->value.integer.value[0] > 1)
return -EINVAL;
@@ -782,6 +798,9 @@ static int wm8958_enh_eq_put(struct snd_kcontrol *kcontrol,
struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+ if (wm8994->enh_eq_ena[eq] == ucontrol->value.integer.value[0])
+ return 0;
+
if (ucontrol->value.integer.value[0] > 1)
return -EINVAL;