ASoC: Intel: bytcr_rt5640: Remove code duplication in byt_rt5640_codec_fixup

The 16 and 24 bit paths in byt_rt5640_codec_fixup are mostly identical,
introduce a local bits variable to address the only difference and move
the common bits out of the if ... else ... .
Signed-off-by: Erik Bussing <eabbussing@outlook.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20200115164619.101705-2-hdegoede@redhat.comAcked-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/boards/bytcr_rt5640.c

@@ -940,7 +940,7 @@ static int byt_rt5640_codec_fixup(struct snd_soc_pcm_runtime *rtd,
 			SNDRV_PCM_HW_PARAM_RATE);
 	struct snd_interval *channels = hw_param_interval(params,
 						SNDRV_PCM_HW_PARAM_CHANNELS);
-	int ret;
+	int ret, bits;
 
 	/* The DSP will covert the FE rate to 48k, stereo */
 	rate->min = rate->max = 48000;
@@ -948,57 +948,35 @@ static int byt_rt5640_codec_fixup(struct snd_soc_pcm_runtime *rtd,
 
 	if ((byt_rt5640_quirk & BYT_RT5640_SSP0_AIF1) ||
 	    (byt_rt5640_quirk & BYT_RT5640_SSP0_AIF2)) {
-
 		/* set SSP0 to 16-bit */
 		params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
-
-		/*
-		 * Default mode for SSP configuration is TDM 4 slot, override config
-		 * with explicit setting to I2S 2ch 16-bit. The word length is set with
-		 * dai_set_tdm_slot() since there is no other API exposed
-		 */
-		ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
-					SND_SOC_DAIFMT_I2S     |
-					SND_SOC_DAIFMT_NB_NF   |
-					SND_SOC_DAIFMT_CBS_CFS
-			);
-		if (ret < 0) {
-			dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
-			return ret;
-		}
-
-		ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 16);
-		if (ret < 0) {
-			dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
-			return ret;
-		}
-
+		bits = 16;
 	} else {
-
 		/* set SSP2 to 24-bit */
 		params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
+		bits = 24;
+	}
 
 	/*
 	 * Default mode for SSP configuration is TDM 4 slot, override config
-		 * with explicit setting to I2S 2ch 24-bit. The word length is set with
+	 * with explicit setting to I2S 2ch. The word length is set with
 	 * dai_set_tdm_slot() since there is no other API exposed
 	 */
 	ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
 				  SND_SOC_DAIFMT_I2S     |
 				  SND_SOC_DAIFMT_NB_NF   |
-					SND_SOC_DAIFMT_CBS_CFS
-			);
+				  SND_SOC_DAIFMT_CBS_CFS);
 	if (ret < 0) {
 		dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
 		return ret;
 	}
 
-		ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 24);
+	ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, bits);
 	if (ret < 0) {
 		dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
 		return ret;
 	}
-	}
+
 	return 0;
 }