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[v2,04/11] ASoC: Intel: Skylake: Add 16-bit constraint to FE bxt_rt298 machine

Message ID 1490377234-30257-5-git-send-email-jeeja.kp@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Jeeja KP March 24, 2017, 5:40 p.m. UTC 
From: G Kranthi <gudishax.kranthikumar@intel.com>

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>
---
 sound/soc/intel/boards/bxt_rt298.c | 3 +++
 1 file changed, 3 insertions(+)
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Patch

diff --git a/sound/soc/intel/boards/bxt_rt298.c b/sound/soc/intel/boards/bxt_rt298.c
index 176c080..1a68d04 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);