ASoC: Intel: Skylake: Fix stereo DMIC record

DMIC BE can have 2 or 4 channels supported. The DMIC fixup needs
to take this into account.

Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 4 insertions, 1 deletions

diff --git a/sound/soc/intel/boards/skl_rt286.c b/sound/soc/intel/boards/skl_rt286.c
index 7396ddb427d8..2cbcbe412661 100644
--- a/sound/soc/intel/boards/skl_rt286.c
+++ b/sound/soc/intel/boards/skl_rt286.c
@@ -212,7 +212,10 @@ static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
 {
         struct snd_interval *channels = hw_param_interval(params,
                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
-        channels->min = channels->max = 4;
+        if (params_channels(params) == 2)
+                channels->min = channels->max = 2;
+        else
+                channels->min = channels->max = 4;
 
         return 0;
 }