ASoC: soc-core: remove snd_soc_of_parse_daifmt()

No driver is using snd_soc_of_parse_daifmt().
This patch removes it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87zgvtuuro.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

include/sound/soc.h

@@ -1249,10 +1249,6 @@ unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np,
 	snd_soc_daifmt_clock_provider_from_bitmap(			\
 		snd_soc_daifmt_parse_clock_provider_as_bitmap(np, prefix))
 
-unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
-				     const char *prefix,
-				     struct device_node **bitclkmaster,
-				     struct device_node **framemaster);
 int snd_soc_get_dai_id(struct device_node *ep);
 int snd_soc_get_dai_name(const struct of_phandle_args *args,
 			 const char **dai_name);

sound/soc/soc-core.c

@@ -3169,110 +3169,6 @@ unsigned int snd_soc_daifmt_parse_clock_provider_raw(struct device_node *np,
 }
 EXPORT_SYMBOL_GPL(snd_soc_daifmt_parse_clock_provider_raw);
 
-unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
-				     const char *prefix,
-				     struct device_node **bitclkmaster,
-				     struct device_node **framemaster)
-{
-	int ret, i;
-	char prop[128];
-	unsigned int format = 0;
-	int bit, frame;
-	const char *str;
-	struct {
-		char *name;
-		unsigned int val;
-	} of_fmt_table[] = {
-		{ "i2s",	SND_SOC_DAIFMT_I2S },
-		{ "right_j",	SND_SOC_DAIFMT_RIGHT_J },
-		{ "left_j",	SND_SOC_DAIFMT_LEFT_J },
-		{ "dsp_a",	SND_SOC_DAIFMT_DSP_A },
-		{ "dsp_b",	SND_SOC_DAIFMT_DSP_B },
-		{ "ac97",	SND_SOC_DAIFMT_AC97 },
-		{ "pdm",	SND_SOC_DAIFMT_PDM},
-		{ "msb",	SND_SOC_DAIFMT_MSB },
-		{ "lsb",	SND_SOC_DAIFMT_LSB },
-	};
-
-	if (!prefix)
-		prefix = "";
-
-	/*
-	 * check "dai-format = xxx"
-	 * or    "[prefix]format = xxx"
-	 * SND_SOC_DAIFMT_FORMAT_MASK area
-	 */
-	ret = of_property_read_string(np, "dai-format", &str);
-	if (ret < 0) {
-		snprintf(prop, sizeof(prop), "%sformat", prefix);
-		ret = of_property_read_string(np, prop, &str);
-	}
-	if (ret == 0) {
-		for (i = 0; i < ARRAY_SIZE(of_fmt_table); i++) {
-			if (strcmp(str, of_fmt_table[i].name) == 0) {
-				format |= of_fmt_table[i].val;
-				break;
-			}
-		}
-	}
-
-	/*
-	 * check "[prefix]continuous-clock"
-	 * SND_SOC_DAIFMT_CLOCK_MASK area
-	 */
-	snprintf(prop, sizeof(prop), "%scontinuous-clock", prefix);
-	if (of_property_read_bool(np, prop))
-		format |= SND_SOC_DAIFMT_CONT;
-	else
-		format |= SND_SOC_DAIFMT_GATED;
-
-	/*
-	 * check "[prefix]bitclock-inversion"
-	 * check "[prefix]frame-inversion"
-	 * SND_SOC_DAIFMT_INV_MASK area
-	 */
-	snprintf(prop, sizeof(prop), "%sbitclock-inversion", prefix);
-	bit = !!of_get_property(np, prop, NULL);
-
-	snprintf(prop, sizeof(prop), "%sframe-inversion", prefix);
-	frame = !!of_get_property(np, prop, NULL);
-
-	switch ((bit << 4) + frame) {
-	case 0x11:
-		format |= SND_SOC_DAIFMT_IB_IF;
-		break;
-	case 0x10:
-		format |= SND_SOC_DAIFMT_IB_NF;
-		break;
-	case 0x01:
-		format |= SND_SOC_DAIFMT_NB_IF;
-		break;
-	default:
-		/* SND_SOC_DAIFMT_NB_NF is default */
-		break;
-	}
-
-	/*
-	 * check "[prefix]bitclock-master"
-	 * check "[prefix]frame-master"
-	 * SND_SOC_DAIFMT_MASTER_MASK area
-	 */
-	snprintf(prop, sizeof(prop), "%sbitclock-master", prefix);
-	bit = !!of_get_property(np, prop, NULL);
-	if (bit && bitclkmaster)
-		*bitclkmaster = of_parse_phandle(np, prop, 0);
-
-	snprintf(prop, sizeof(prop), "%sframe-master", prefix);
-	frame = !!of_get_property(np, prop, NULL);
-	if (frame && framemaster)
-		*framemaster = of_parse_phandle(np, prop, 0);
-
-	format |= snd_soc_daifmt_clock_provider_from_bitmap((bit << 4) + frame);
-
-	return format;
-}
-EXPORT_SYMBOL_GPL(snd_soc_of_parse_daifmt);
-
 int snd_soc_get_dai_id(struct device_node *ep)
 {
 	struct snd_soc_component *component;