[PATCH 12/17] ASoC: codecs: adau1977: remove snd_soc_dai_set_tristate()

[Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>]

snd_soc_dai_set_tristate() has never been used before.
Let's remove it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---
 sound/soc/codecs/adau1977.c | 15 ---------------
 1 file changed, 15 deletions(-)

diff --git a/sound/soc/codecs/adau1977.c b/sound/soc/codecs/adau1977.c
index ae59efb38f265..9e57fdc0f7ec6 100644
--- a/sound/soc/codecs/adau1977.c
+++ b/sound/soc/codecs/adau1977.c
@@ -726,27 +726,12 @@ static int adau1977_startup(struct snd_pcm_substream *substream,
 	return 0;
 }
 
-static int adau1977_set_tristate(struct snd_soc_dai *dai, int tristate)
-{
-	struct adau1977 *adau1977 = snd_soc_component_get_drvdata(dai->component);
-	unsigned int val;
-
-	if (tristate)
-		val = ADAU1977_SAI_OVERTEMP_DRV_HIZ;
-	else
-		val = 0;
-
-	return regmap_update_bits(adau1977->regmap, ADAU1977_REG_SAI_OVERTEMP,
-		ADAU1977_SAI_OVERTEMP_DRV_HIZ, val);
-}
-
 static const struct snd_soc_dai_ops adau1977_dai_ops = {
 	.startup	= adau1977_startup,
 	.hw_params	= adau1977_hw_params,
 	.mute_stream	= adau1977_mute,
 	.set_fmt	= adau1977_set_dai_fmt,
 	.set_tdm_slot	= adau1977_set_tdm_slot,
-	.set_tristate	= adau1977_set_tristate,
 };
 
 static struct snd_soc_dai_driver adau1977_dai = {
-- 
2.43.0