In the DAI link "Capture PCM", the FE DAI "Capture Pin" supports 4-channel
capture but the BE DAI supports only 2-channel capture. To fix the channel
mismatch, we need to enable the runtime channel merge for this DAI link.

Signed-off-by: Brent Lu <brent...@intel.com>
---
 sound/soc/intel/boards/bdw-rt5677.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/intel/boards/bdw-rt5677.c 
b/sound/soc/intel/boards/bdw-rt5677.c
index 4a4d335..8d07038 100644
--- a/sound/soc/intel/boards/bdw-rt5677.c
+++ b/sound/soc/intel/boards/bdw-rt5677.c
@@ -273,6 +273,7 @@ static struct snd_soc_dai_link bdw_rt5677_dais[] = {
                },
                .dpcm_capture = 1,
                .dpcm_playback = 1,
+               .dpcm_merged_chan = 1,
                SND_SOC_DAILINK_REG(fe, dummy, platform),
        },
 
-- 
2.7.4

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