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authorCharles Keepax <ckeepax@opensource.cirrus.com>2022-06-23 11:51:19 +0100
committerMark Brown <broonie@kernel.org>2022-06-24 16:22:01 +0100
commit980555e95f7cabdc9c80a07107622b097ba23703 (patch)
tree0c121bf1ddc463b12d24572f9e1bba652f4192d1 /sound
parente3cabbef3db8269207a6b8808f510137669f8deb (diff)
ASoC: madera: Fix event generation for rate controls
madera_adsp_rate_put always returns zero regardless of if the control value was updated. This results in missing notifications to user-space of the control change. Update the handling to return 1 when the value is changed. Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com> Link: https://lore.kernel.org/r/20220623105120.1981154-5-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/madera.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/sound/soc/codecs/madera.c b/sound/soc/codecs/madera.c
index 8095a87117cf..b9f19fbd2911 100644
--- a/sound/soc/codecs/madera.c
+++ b/sound/soc/codecs/madera.c
@@ -899,7 +899,7 @@ static int madera_adsp_rate_put(struct snd_kcontrol *kcontrol,
struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
const int adsp_num = e->shift_l;
const unsigned int item = ucontrol->value.enumerated.item[0];
- int ret;
+ int ret = 0;
if (item >= e->items)
return -EINVAL;
@@ -916,10 +916,10 @@ static int madera_adsp_rate_put(struct snd_kcontrol *kcontrol,
"Cannot change '%s' while in use by active audio paths\n",
kcontrol->id.name);
ret = -EBUSY;
- } else {
+ } else if (priv->adsp_rate_cache[adsp_num] != e->values[item]) {
/* Volatile register so defer until the codec is powered up */
priv->adsp_rate_cache[adsp_num] = e->values[item];
- ret = 0;
+ ret = 1;
}
mutex_unlock(&priv->rate_lock);