ASoC: mediatek: Remove unused mtk_memif_set_rate

mtk_memif_set_rate() has been unused since it was added in the 2019
commit 9cdf85a ("ASoC: mediatek: common: add some helpers to control
mtk_memif")

Remove it.

(The _substream version is used, and is left in)

Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org>
Link: https://patch.msgid.link/20250201005021.447726-1-linux@treblig.org
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: Dr. David Alan Gilbert

sound/soc/mediatek/common/mtk-afe-fe-dai.c

@@ -500,26 +500,6 @@ static int mtk_memif_set_rate_fs(struct mtk_base_afe *afe,
 	return 0;
 }
 
-int mtk_memif_set_rate(struct mtk_base_afe *afe,
-		       int id, unsigned int rate)
-{
-	int fs = 0;
-
-	if (!afe->get_dai_fs) {
-		dev_err(afe->dev, "%s(), error, afe->get_dai_fs == NULL\n",
-			__func__);
-		return -EINVAL;
-	}
-
-	fs = afe->get_dai_fs(afe, id, rate);
-
-	if (fs < 0)
-		return -EINVAL;
-
-	return mtk_memif_set_rate_fs(afe, id, fs);
-}
-EXPORT_SYMBOL_GPL(mtk_memif_set_rate);
-
 int mtk_memif_set_rate_substream(struct snd_pcm_substream *substream,
 				 int id, unsigned int rate)
 {

sound/soc/mediatek/common/mtk-afe-fe-dai.h

@@ -42,8 +42,6 @@ int mtk_memif_set_addr(struct mtk_base_afe *afe, int id,
 		       size_t dma_bytes);
 int mtk_memif_set_channel(struct mtk_base_afe *afe,
 			  int id, unsigned int channel);
-int mtk_memif_set_rate(struct mtk_base_afe *afe,
-		       int id, unsigned int rate);
 int mtk_memif_set_rate_substream(struct snd_pcm_substream *substream,
 				 int id, unsigned int rate);
 int mtk_memif_set_format(struct mtk_base_afe *afe,