ASoC: Intel: bytcht_es8316: remove useless code

get_codec_dai() is not used, remove it

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/boards/bytcht_es8316.c

@@ -37,20 +37,6 @@ struct byt_cht_es8316_private {
 	struct clk *mclk;
 };
 
-#define CODEC_DAI1	"ES8316 HiFi"
-
-static inline struct snd_soc_dai *get_codec_dai(struct snd_soc_card *card)
-{
-	struct snd_soc_pcm_runtime *rtd;
-
-	list_for_each_entry(rtd, &card->rtd_list, list) {
-		if (!strncmp(rtd->codec_dai->name, CODEC_DAI1,
-			     strlen(CODEC_DAI1)))
-			return rtd->codec_dai;
-	}
-	return NULL;
-}
-
 static const struct snd_soc_dapm_widget byt_cht_es8316_widgets[] = {
 	SND_SOC_DAPM_HP("Headphone", NULL),