@@ -591,16 +591,19 @@ static int stf_positive_gain_set(struct snd_kcontrol *kcontrol,
struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
struct mt8192_afe_private *afe_priv = afe->platform_priv;
int gain_db = ucontrol->value.integer.value[0];
+ bool change = false;
afe_priv->stf_positive_gain_db = gain_db;
if (gain_db >= 0 && gain_db <= 24) {
- regmap_update_bits(afe->regmap,
- AFE_SIDETONE_GAIN,
- POSITIVE_GAIN_MASK_SFT,
- (gain_db / 6) << POSITIVE_GAIN_SFT);
+ regmap_update_bits_check(afe->regmap,
+ AFE_SIDETONE_GAIN,
+ POSITIVE_GAIN_MASK_SFT,
+ (gain_db / 6) << POSITIVE_GAIN_SFT,
+ &change);
}
- return 0;
+
+ return change;
}
static int mt8192_adda_dmic_get(struct snd_kcontrol *kcontrol,
@@ -621,12 +624,17 @@ static int mt8192_adda_dmic_set(struct snd_kcontrol *kcontrol,
struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
struct mt8192_afe_private *afe_priv = afe->platform_priv;
int dmic_on;
+ bool change;
dmic_on = ucontrol->value.integer.value[0];
+ change = (afe_priv->mtkaif_dmic != dmic_on) ||
+ (afe_priv->mtkaif_dmic_ch34 != dmic_on);
+
afe_priv->mtkaif_dmic = dmic_on;
afe_priv->mtkaif_dmic_ch34 = dmic_on;
- return 0;
+
+ return change;
}
static int mt8192_adda6_only_get(struct snd_kcontrol *kcontrol,
@@ -647,11 +655,14 @@ static int mt8192_adda6_only_set(struct snd_kcontrol *kcontrol,
struct mtk_base_afe *afe = snd_soc_component_get_drvdata(cmpnt);
struct mt8192_afe_private *afe_priv = afe->platform_priv;
int mtkaif_adda6_only;
+ bool change;
mtkaif_adda6_only = ucontrol->value.integer.value[0];
+ change = afe_priv->mtkaif_adda6_only != mtkaif_adda6_only;
afe_priv->mtkaif_adda6_only = mtkaif_adda6_only;
- return 0;
+
+ return change;
}
static const struct snd_kcontrol_new mtk_adda_controls[] = {
ALSA controls put() operations should return 1 if the value changed and 0 if it remains the same, fix the mt8192 driver to do so. Signed-off-by: Mark Brown <broonie@kernel.org> --- sound/soc/mediatek/mt8192/mt8192-dai-adda.c | 25 ++++++++++++++++++------- 1 file changed, 18 insertions(+), 7 deletions(-)