ASoC: Add ak4619 codec support

Add support for the Asahi Kasei AK4619 audio codec.

[Kuninori cleanuped and adjusted to upstream code]
Signed-off-by: Khanh Le <khanh.le.xr@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://msgid.link/r/87iky5wxvr.wl-kuninori.morimoto.gx@renesas.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/Kconfig

@@ -45,6 +45,7 @@ config SND_SOC_ALL_CODECS
 	imply SND_SOC_AK4535
 	imply SND_SOC_AK4554
 	imply SND_SOC_AK4613
+	imply SND_SOC_AK4619
 	imply SND_SOC_AK4641
 	imply SND_SOC_AK4642
 	imply SND_SOC_AK4671
@@ -598,6 +599,10 @@ config SND_SOC_AK4613
 	tristate "AKM AK4613 CODEC"
 	depends on I2C
 
+config SND_SOC_AK4619
+        tristate "AKM AK4619 CODEC"
+        depends on I2C
+
 config SND_SOC_AK4641
 	tristate
 	depends on I2C

sound/soc/codecs/Makefile

@@ -39,6 +39,7 @@ snd-soc-ak4458-y := ak4458.o
 snd-soc-ak4535-y := ak4535.o
 snd-soc-ak4554-y := ak4554.o
 snd-soc-ak4613-y := ak4613.o
+snd-soc-ak4619-y := ak4619.o
 snd-soc-ak4641-y := ak4641.o
 snd-soc-ak4642-y := ak4642.o
 snd-soc-ak4671-y := ak4671.o
@@ -439,6 +440,7 @@ obj-$(CONFIG_SND_SOC_AK4458)	+= snd-soc-ak4458.o
 obj-$(CONFIG_SND_SOC_AK4535)	+= snd-soc-ak4535.o
 obj-$(CONFIG_SND_SOC_AK4554)	+= snd-soc-ak4554.o
 obj-$(CONFIG_SND_SOC_AK4613)	+= snd-soc-ak4613.o
+obj-$(CONFIG_SND_SOC_AK4619)	+= snd-soc-ak4619.o
 obj-$(CONFIG_SND_SOC_AK4641)	+= snd-soc-ak4641.o
 obj-$(CONFIG_SND_SOC_AK4642)	+= snd-soc-ak4642.o
 obj-$(CONFIG_SND_SOC_AK4671)	+= snd-soc-ak4671.o