[PATCH] ASoC: max98088: add support for noise gate reg

[Tommaso Merciai <tommaso.merciai@xxxxxxxxxxxxxxxxxxxx>]

Add support for Noise Gate Threshold reg (ANTH reg 0x40 bit 4 to 7)

References:
 - https://datasheets.maximintegrated.com/en/ds/MAX98089.pdf, p75

Signed-off-by: Tommaso Merciai <tommaso.merciai@xxxxxxxxxxxxxxxxxxxx>
---
 sound/soc/codecs/max98088.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/soc/codecs/max98088.c b/sound/soc/codecs/max98088.c
index 5ef2e1279ee7..76ef71ab9c83 100644
--- a/sound/soc/codecs/max98088.c
+++ b/sound/soc/codecs/max98088.c
@@ -474,6 +474,9 @@ static const struct snd_kcontrol_new max98088_snd_controls[] = {
                        max98088_mic2pre_get, max98088_mic2pre_set,
                        max98088_micboost_tlv),
 
+        SOC_SINGLE("Noise Gate Threshold", M98088_REG_40_MICAGC_THRESH,
+               4, 15, 0),
+
        SOC_SINGLE("INA Volume", M98088_REG_37_LVL_INA, 0, 7, 1),
        SOC_SINGLE("INB Volume", M98088_REG_38_LVL_INB, 0, 7, 1),
 
-- 
2.25.1