ALSA: hda/cirrus: Split to cs420x and cs421x drivers

Since the codec ops for CS420x and CS421x are fairly independent,
split the cirrus codec driver into two drivers, snd-hda-codec-cs420x
and snd-hda-code-cs421x.  Together with the split, convert to the new
hda_codec_ops probe.

Signed-off-by: Takashi Iwai <[email protected]>
Link: https://patch.msgid.link/[email protected]

Author: tiwai

sound/hda/codecs/cirrus/Kconfig

@@ -1,14 +1,24 @@
 # SPDX-License-Identifier: GPL-2.0-only
 
-config SND_HDA_CODEC_CIRRUS
-	tristate "Build Cirrus Logic codec support"
+config SND_HDA_CODEC_CS420X
+	tristate "Build Cirrus Logic CS420x codec support"
 	select SND_HDA_GENERIC
 	help
-	  Say Y or M here to include Cirrus Logic codec support in
-	  snd-hda-intel driver, such as CS4206.
+	  Say Y or M here to include Cirrus Logic CS420x codec support in
+	  snd-hda-intel driver
 
 comment "Set to Y if you want auto-loading the codec driver"
-	depends on SND_HDA=y && SND_HDA_CODEC_CIRRUS=m
+	depends on SND_HDA=y && SND_HDA_CODEC_CS420X=m
+
+config SND_HDA_CODEC_CS421X
+	tristate "Build Cirrus Logic CS421x codec support"
+	select SND_HDA_GENERIC
+	help
+	  Say Y or M here to include Cirrus Logic CS421x codec support in
+	  snd-hda-intel driver
+
+comment "Set to Y if you want auto-loading the codec driver"
+	depends on SND_HDA=y && SND_HDA_CODEC_CS421X=m
 
 config SND_HDA_CODEC_CS8409
 	tristate "Build Cirrus Logic HDA bridge support"

sound/hda/codecs/cirrus/Makefile

@@ -1,8 +1,10 @@
 # SPDX-License-Identifier: GPL-2.0
 subdir-ccflags-y += -I$(src)/../../common
 
-snd-hda-codec-cirrus-y :=	cirrus.o
+snd-hda-codec-cs420x-y :=	cs420x.o
+snd-hda-codec-cs421x-y :=	cs421x.o
 snd-hda-codec-cs8409-y :=	cs8409.o cs8409-tables.o
 
-obj-$(CONFIG_SND_HDA_CODEC_CIRRUS) += snd-hda-codec-cirrus.o
+obj-$(CONFIG_SND_HDA_CODEC_CS420X) += snd-hda-codec-cs420x.o
+obj-$(CONFIG_SND_HDA_CODEC_CS421X) += snd-hda-codec-cs421x.o
 obj-$(CONFIG_SND_HDA_CODEC_CS8409) += snd-hda-codec-cs8409.o