ASoC: max98926: Fix blr_clk_ratio calculation

Current code calculates blr_clk_ratio before setting max98926->ch_size, fix
it.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: anish kumar <yesanishhere@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/max98926.c

@@ -383,8 +383,7 @@ static int max98926_dai_hw_params(struct snd_pcm_substream *substream,
 	int rate = params_rate(params), i;
 	struct snd_soc_codec *codec = dai->codec;
 	struct max98926_priv *max98926 = snd_soc_codec_get_drvdata(codec);
-	/* BCLK/LRCLK ratio calculation */
-	int blr_clk_ratio = params_channels(params) * max98926->ch_size;
+	int blr_clk_ratio;
 
 	switch (params_format(params)) {
 	case SNDRV_PCM_FORMAT_S16_LE:
@@ -414,6 +413,9 @@ static int max98926_dai_hw_params(struct snd_pcm_substream *substream,
 		return -EINVAL;
 	}
 
+	/* BCLK/LRCLK ratio calculation */
+	blr_clk_ratio = params_channels(params) * max98926->ch_size;
+
 	switch (blr_clk_ratio) {
 	case 32:
 		regmap_update_bits(max98926->regmap,