[ALSA] ASoC - Bit clock matching error

This patch by Philipp Zabel fixes a bug whereby the BCLK matching fails
when the Codec BCLK is constant and the CPU BCLK is based upon a
divider.
Signed-off-by: NPhilipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: NLiam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
Signed-off-by: NJaroslav Kysela <perex@suse.cz>

sound/soc/soc-core.c

@@ -424,7 +424,7 @@ static int soc_hw_match_params(struct snd_pcm_substream *substream,
 				/* normalise cpu bfs div & codec const mult */
 				codec_bfs = soc_bfs_rate_to_div(codec_dai_mode->bfs, rate,
 					mclk, rtd->codec_dai->dai_runtime.pcmfmt, chn);
-				if(codec_dai_mode->bfs & codec_bfs) {
+				if(cpu_dai_mode->bfs & codec_bfs) {
 					rtd->cpu_dai->dai_runtime.bfs = codec_bfs;
 					rtd->codec_dai->dai_runtime.bfs = codec_dai_mode->bfs;
 				} else