ASoC: Intel: Skylake: Add 16-bit constraint to FE bxt_rt298 machine

Add constraint to FE to restrict sample format to 16-bit for bxt_rt298
machine

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

1 files changed, 3 insertions, 0 deletions

diff --git a/sound/soc/intel/boards/bxt_rt298.c b/sound/soc/intel/boards/bxt_rt298.c
index 176c080a9818..1a68d043c803 100644
--- a/sound/soc/intel/boards/bxt_rt298.c
+++ b/sound/soc/intel/boards/bxt_rt298.c
@@ -274,12 +274,15 @@ static int bxt_fe_startup(struct snd_pcm_substream *substream)
          * on this platform for PCM device we support:
          *      48Khz
          *      stereo
+         *      16-bit audio
          */
 
         runtime->hw.channels_max = 2;
         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
                                 &constraints_channels);
 
+        runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
+        snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
         snd_pcm_hw_constraint_list(runtime, 0,
                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);