From: Srinivas Kandagatla <redacted>

This patch adds support to q6afe backend dais driver.

Signed-off-by: Srinivas Kandagatla <redacted>
---
  sound/soc/qcom/Kconfig           |   5 +
  sound/soc/qcom/qdsp6/Makefile    |   1 +
  sound/soc/qcom/qdsp6/q6afe-dai.c | 241 +++++++++++++++++++++++++++++++++++++++
  3 files changed, 247 insertions(+)
  create mode 100644 sound/soc/qcom/qdsp6/q6afe-dai.c

diff --git a/sound/soc/qcom/Kconfig b/sound/soc/qcom/Kconfig
index dd8fb0cde614..003ce182691c 100644
--- a/sound/soc/qcom/Kconfig
+++ b/sound/soc/qcom/Kconfig

@@ -64,6 +64,10 @@ config SND_SOC_QDSP6_ROUTING
  	tristate
  	default n
  
+config SND_SOC_QDSP6_AFE_DAI
+	tristate
+	default n
+
  config SND_SOC_QDSP6
  	tristate "SoC ALSA audio driver for QDSP6"
  	select SND_SOC_QDSP6_AFE

@@ -71,6 +75,7 @@ config SND_SOC_QDSP6
  	select SND_SOC_QDSP6_ASM
  	select SND_SOC_QDSP6_CORE
  	select SND_SOC_QDSP6_ROUTING
+	select SND_SOC_QDSP6_AFE_DAI
  	help
  	 To add support for MSM QDSP6 Soc Audio.
  	 This will enable sound soc platform specific

diff --git a/sound/soc/qcom/qdsp6/Makefile b/sound/soc/qcom/qdsp6/Makefile
index c1ad060a2341..bd8bd02bf09e 100644
--- a/sound/soc/qcom/qdsp6/Makefile
+++ b/sound/soc/qcom/qdsp6/Makefile

@@ -3,3 +3,4 @@ obj-$(CONFIG_SND_SOC_QDSP6_ADM) += q6adm.o
  obj-$(CONFIG_SND_SOC_QDSP6_ASM) += q6asm.o
  obj-$(CONFIG_SND_SOC_QDSP6_CORE) += q6core.o
  obj-$(CONFIG_SND_SOC_QDSP6_ROUTING) += q6routing.o
+obj-$(CONFIG_SND_SOC_QDSP6_AFE_DAI) += q6afe-dai.o

diff --git a/sound/soc/qcom/qdsp6/q6afe-dai.c b/sound/soc/qcom/qdsp6/q6afe-dai.c
new file mode 100644
index 000000000000..e9865c684bcb
--- /dev/null
+++ b/sound/soc/qcom/qdsp6/q6afe-dai.c

@@ -0,0 +1,241 @@
+/* SPDX-License-Identifier: GPL-2.0
+* Copyright (c) 2011-2016, The Linux Foundation
+* Copyright (c) 2017, Linaro Limited
+*/
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include <sound/pcm_params.h>
+#include "q6afe.h"
+
+struct q6hdmi_dai_data {
+	struct q6afe_port *port;
+	struct q6afe_hdmi_cfg port_config;
+	bool is_port_started;
+};
+
+static int q6hdmi_format_put(struct snd_kcontrol *kcontrol,
+				struct snd_ctl_elem_value *ucontrol)
+{
+	struct q6hdmi_dai_data *dai_data = kcontrol->private_data;
+	int value = ucontrol->value.integer.value[0];
+
+	dai_data->port_config.datatype = value;