Hi Mark snd_soc_dai_set_tristate() has added in v2.6.27 (2008/Oct) by this commit 8c6529dbf881303920a415c2d14a500218661949 ("ALSA: asoc: core - add Digital Audio Interface (DAI) control functions.") But it has never been used during this 16 years. Let's remove it. Kuninori Morimoto (17): ASoC: pxa: remove snd_soc_dai_set_tristate() ASoC: codecs: cs35l32: remove snd_soc_dai_set_tristate() ASoC: codecs: cs35l33: remove snd_soc_dai_set_tristate() ASoC: codecs: cs35l34: remove snd_soc_dai_set_tristate() ASoC: codecs: cs42l73: remove snd_soc_dai_set_tristate() ASoC: codecs: cs53l30: remove snd_soc_dai_set_tristate() ASoC: codecs: wm8961: remove snd_soc_dai_set_tristate() ASoC: codecs: wm8994: remove snd_soc_dai_set_tristate() ASoC: codecs: wm8995: remove snd_soc_dai_set_tristate() ASoC: codecs: wm9713: remove snd_soc_dai_set_tristate() ASoC: codecs: adau1372: remove snd_soc_dai_set_tristate() ASoC: codecs: adau1977: remove snd_soc_dai_set_tristate() ASoC: codecs: adau7118: remove snd_soc_dai_set_tristate() ASoC: codecs: madera: remove snd_soc_dai_set_tristate() ASoC: codecs: arizona: remove snd_soc_dai_set_tristate() ASoC: codecs: twl4030: remove snd_soc_dai_set_tristate() ASoC: remove snd_soc_dai_set_tristate() include/sound/soc-dai.h | 3 --- sound/soc/codecs/adau1372.c | 14 -------------- sound/soc/codecs/adau1977.c | 15 --------------- sound/soc/codecs/adau7118.c | 19 ------------------- sound/soc/codecs/arizona.c | 17 ----------------- sound/soc/codecs/cs35l32.c | 9 --------- sound/soc/codecs/cs35l33.c | 21 --------------------- sound/soc/codecs/cs35l34.c | 15 --------------- sound/soc/codecs/cs42l73.c | 10 ---------- sound/soc/codecs/cs53l30.c | 10 ---------- sound/soc/codecs/madera.c | 22 ---------------------- sound/soc/codecs/twl4030.c | 28 ---------------------------- sound/soc/codecs/wm8961.c | 14 -------------- sound/soc/codecs/wm8994.c | 28 ---------------------------- sound/soc/codecs/wm8995.c | 33 --------------------------------- sound/soc/codecs/wm9713.c | 17 ----------------- sound/soc/pxa/pxa-ssp.c | 21 --------------------- sound/soc/soc-dai.c | 19 ------------------- 18 files changed, 315 deletions(-) -- 2.43.0