ALSA: hda - Add Cirrus Logic CS420x support

Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/Kconfig

@@ -148,6 +148,19 @@ config SND_HDA_ELD
 	def_bool y
 	depends on SND_HDA_CODEC_INTELHDMI
 
+config SND_HDA_CODEC_CIRRUS
+	bool "Build Cirrus Logic codec support"
+	depends on SND_HDA_INTEL
+	default y
+	help
+	  Say Y here to include Cirrus Logic codec support in
+	  snd-hda-intel driver, such as CS4206.
+
+	  When the HD-audio driver is built as a module, the codec
+	  support code is also built as another module,
+	  snd-hda-codec-cirrus.
+	  This module is automatically loaded at probing.
+
 config SND_HDA_CODEC_CONEXANT
 	bool "Build Conexant HD-audio codec support"
 	default y

sound/pci/hda/Makefile

@@ -13,6 +13,7 @@ snd-hda-codec-analog-objs :=	patch_analog.o
 snd-hda-codec-idt-objs :=	patch_sigmatel.o
 snd-hda-codec-si3054-objs :=	patch_si3054.o
 snd-hda-codec-atihdmi-objs :=	patch_atihdmi.o
+snd-hda-codec-cirrus-objs :=	patch_cirrus.o
 snd-hda-codec-ca0110-objs :=	patch_ca0110.o
 snd-hda-codec-conexant-objs :=	patch_conexant.o
 snd-hda-codec-via-objs :=	patch_via.o
@@ -41,6 +42,9 @@ endif
 ifdef CONFIG_SND_HDA_CODEC_ATIHDMI
 obj-$(CONFIG_SND_HDA_INTEL) += snd-hda-codec-atihdmi.o
 endif
+ifdef CONFIG_SND_HDA_CODEC_CIRRUS
+obj-$(CONFIG_SND_HDA_INTEL) += snd-hda-codec-cirrus.o
+endif
 ifdef CONFIG_SND_HDA_CODEC_CA0110
 obj-$(CONFIG_SND_HDA_INTEL) += snd-hda-codec-ca0110.o
 endif

sound/pci/hda/hda_codec.c

@@ -44,6 +44,7 @@ struct hda_vendor_id {
 /* codec vendor labels */
 static struct hda_vendor_id hda_vendor_ids[] = {
 	{ 0x1002, "ATI" },
+	{ 0x1013, "Cirrus Logic" },
 	{ 0x1057, "Motorola" },
 	{ 0x1095, "Silicon Image" },
 	{ 0x10de, "Nvidia" },