Revert "Revert "ASoC: msm: Add QCHAT as Front-end DAI link for msm893…

…9 external codec HW""

This reverts commit 00fdece.
Needed for lux speakerphone with new blobs.

sound/soc/msm/msm8939-slimbus.c

@@ -1,4 +1,4 @@
- /* Copyright (c) 2014, The Linux Foundation. All rights reserved.
+ /* Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 and
@@ -2746,6 +2746,22 @@ static struct snd_soc_dai_link msm8x16_dai[] = {
 		.codec_dai_name = "snd-soc-dummy-dai",
 		.codec_name = "snd-soc-dummy",
 	},
+	{ /* hw:x, 28 */
+		.name = "QCHAT",
+		.stream_name = "QCHAT",
+		.cpu_dai_name   = "QCHAT",
+		.platform_name  = "msm-pcm-voice",
+		.dynamic = 1,
+		.trigger = {SND_SOC_DPCM_TRIGGER_POST,
+			SND_SOC_DPCM_TRIGGER_POST},
+		.no_host_mode = SND_SOC_DAI_LINK_NO_HOST,
+		.ignore_suspend = 1,
+		/* this dainlink has playback support */
+		.ignore_pmdown_time = 1,
+		.codec_dai_name = "snd-soc-dummy-dai",
+		.codec_name = "snd-soc-dummy",
+		.be_id = MSM_FRONTEND_DAI_QCHAT,
+	},
 	{
 		.name = LPASS_BE_QUAT_MI2S_RX,
 		.stream_name = "Quaternary MI2S Playback",