ASoC: mediatek: add btcvsd driver

The driver function for transferring/receiving
BT encoded data to/from BT firmware.
Signed-off-by: NKaiChieh Chuang <kaichieh.chuang@mediatek.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

sound/soc/mediatek/Kconfig

@@ -115,3 +115,12 @@ config SND_SOC_MT8183
 	  that can be used with other codecs.
 	  Select Y if you have such device.
 	  If unsure select "N".
+
+config SND_SOC_MTK_BTCVSD
+	tristate "ALSA BT SCO CVSD/MSBC Driver"
+	help
+	  This is for software BTCVSD. This enable
+	  the function for transferring/receiving
+	  BT encoded data to/from BT firmware.
+	  Select Y if you have such device.
+	  If unsure select "N".

sound/soc/mediatek/common/Makefile

@@ -2,3 +2,5 @@
 # platform driver
 snd-soc-mtk-common-objs := mtk-afe-platform-driver.o mtk-afe-fe-dai.o
 obj-$(CONFIG_SND_SOC_MEDIATEK) += snd-soc-mtk-common.o
+
+obj-$(CONFIG_SND_SOC_MTK_BTCVSD) += mtk-btcvsd.o
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