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ASoC: mt6358: Validate Wake on Voice 2 writes

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Currently the Wake on Voice 2 control accepts and stores any value written
but it reports that only 0 and 1 are valid values. Reject any out of range
values written by userspace.

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230224-asoc-mt6358-quick-fixes-v1-2-747d9186be4b@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Mark Brown 2023-02-26 12:47:57 +00:00
parent 3425ddaea5
commit 8e847a43c2
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1 changed files with 3 additions and 0 deletions
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3
sound/soc/codecs/mt6358.c
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@ -560,6 +560,9 @@ static int mt6358_put_wov(struct snd_kcontrol *kcontrol,
struct mt6358_priv *priv = snd_soc_component_get_drvdata(c);
int enabled = ucontrol->value.integer.value[0];
if (enabled < 0 || enabled > 1)
return -EINVAL;
if (priv->wov_enabled != enabled) {
if (enabled)
mt6358_enable_wov_phase2(priv);