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authorCharles Keepax <ckeepax@opensource.cirrus.com>2022-06-28 16:34:06 +0100
committerMark Brown <broonie@kernel.org>2022-07-07 17:16:25 +0100
commit71b5ab96ffe6589abe7a2e302b83f7a426ebe099 (patch)
tree9cc2a04261b15404ed258a0ea6eb0b535aa78ec9 /sound
parenta5d6d28e2ea38dff017cb562dfbe0259d093a851 (diff)
ASoC: wm5102: Fix event generation for output compensation
The output compensation controls 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/20220628153409.3266932-1-ckeepax@opensource.cirrus.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/wm5102.c21
1 files changed, 17 insertions, 4 deletions
diff --git a/sound/soc/codecs/wm5102.c b/sound/soc/codecs/wm5102.c
index da2f8998df87..b034df47a5ef 100644
--- a/sound/soc/codecs/wm5102.c
+++ b/sound/soc/codecs/wm5102.c
@@ -680,12 +680,17 @@ static int wm5102_out_comp_coeff_put(struct snd_kcontrol *kcontrol,
{
struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
struct arizona *arizona = dev_get_drvdata(component->dev->parent);
+ uint16_t dac_comp_coeff = get_unaligned_be16(ucontrol->value.bytes.data);
+ int ret = 0;
mutex_lock(&arizona->dac_comp_lock);
- arizona->dac_comp_coeff = get_unaligned_be16(ucontrol->value.bytes.data);
+ if (arizona->dac_comp_coeff != dac_comp_coeff) {
+ arizona->dac_comp_coeff = dac_comp_coeff;
+ ret = 1;
+ }
mutex_unlock(&arizona->dac_comp_lock);
- return 0;
+ return ret;
}
static int wm5102_out_comp_switch_get(struct snd_kcontrol *kcontrol,
@@ -706,12 +711,20 @@ static int wm5102_out_comp_switch_put(struct snd_kcontrol *kcontrol,
{
struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
struct arizona *arizona = dev_get_drvdata(component->dev->parent);
+ struct soc_mixer_control *mc = (struct soc_mixer_control *)kcontrol->private_value;
+ int ret = 0;
+
+ if (ucontrol->value.integer.value[0] > mc->max)
+ return -EINVAL;
mutex_lock(&arizona->dac_comp_lock);
- arizona->dac_comp_enabled = ucontrol->value.integer.value[0];
+ if (arizona->dac_comp_enabled != ucontrol->value.integer.value[0]) {
+ arizona->dac_comp_enabled = ucontrol->value.integer.value[0];
+ ret = 1;
+ }
mutex_unlock(&arizona->dac_comp_lock);
- return 0;
+ return ret;
}
static const char * const wm5102_osr_text[] = {