[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: Philipp Zabel <philipp.zabel@gmail.com>
Signed-off-by: Liam Girdwood <lg@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 6da1616..90e8841 100644 (file)
--- a/sound/soc/soc-core.c
+++ b/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