From: Max Krummenacher <max.krummenacher@xxxxxxxxxxx>
This control inverts the signal fed to the right amplifier.
This allows to connect one loudspeaker to the two speaker amplifiers
in a bridge-tied load configuration getting higher output power.
Signed-off-by: Max Krummenacher <max.krummenacher@xxxxxxxxxxx>
Signed-off-by: Francesco Dolcini <francesco.dolcini@xxxxxxxxxxx>
---
sound/soc/codecs/nau8822.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/sound/soc/codecs/nau8822.c b/sound/soc/codecs/nau8822.c
index 58123390c7a3..bf1155903421 100644
--- a/sound/soc/codecs/nau8822.c
+++ b/sound/soc/codecs/nau8822.c
@@ -351,6 +351,8 @@ static const struct snd_kcontrol_new nau8822_snd_controls[] = {
NAU8822_REG_LHP_VOLUME,
NAU8822_REG_RHP_VOLUME, 0, 63, 0, spk_tlv),
+ SOC_SINGLE("Speaker RInversion Switch",
+ NAU8822_REG_RIGHT_SPEAKER_CONTROL, 4, 1, 0),
SOC_DOUBLE_R("Speaker ZC Switch",
NAU8822_REG_LSPKOUT_VOLUME,
NAU8822_REG_RSPKOUT_VOLUME, 7, 1, 0),
--
2.25.1
