ASoC: cs47l24: Add driver for Cirrus Logic CS47L24 and WM1831 codecs

This patch adds support for the Cirrus Logic CS47L24 and WM1831 codecs.
Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/Kconfig

@@ -55,6 +55,7 @@ config SND_SOC_ALL_CODECS
 	select SND_SOC_CS4271_SPI if SPI_MASTER
 	select SND_SOC_CS42XX8_I2C if I2C
 	select SND_SOC_CS4349 if I2C
+	select SND_SOC_CS47L24 if MFD_CS47L24
 	select SND_SOC_CX20442 if TTY
 	select SND_SOC_DA7210 if SND_SOC_I2C_AND_SPI
 	select SND_SOC_DA7213 if I2C
@@ -195,10 +196,12 @@ config SND_SOC_88PM860X
 
 config SND_SOC_ARIZONA
 	tristate
+	default y if SND_SOC_CS47L24=y
 	default y if SND_SOC_WM5102=y
 	default y if SND_SOC_WM5110=y
 	default y if SND_SOC_WM8997=y
 	default y if SND_SOC_WM8998=y
+	default m if SND_SOC_CS47L24=m
 	default m if SND_SOC_WM5102=m
 	default m if SND_SOC_WM5110=m
 	default m if SND_SOC_WM8997=m
@@ -211,9 +214,11 @@ config SND_SOC_WM_HUBS
 
 config SND_SOC_WM_ADSP
 	tristate
+	default y if SND_SOC_CS47L24=y
 	default y if SND_SOC_WM5102=y
 	default y if SND_SOC_WM5110=y
 	default y if SND_SOC_WM2200=y
+	default m if SND_SOC_CS47L24=m
 	default m if SND_SOC_WM5102=m
 	default m if SND_SOC_WM5110=m
 	default m if SND_SOC_WM2200=m
@@ -422,6 +427,9 @@ config SND_SOC_CS4349
 	tristate "Cirrus Logic CS4349 CODEC"
 	depends on I2C
 
+config SND_SOC_CS47L24
+	tristate
+
 config SND_SOC_CX20442
 	tristate
 	depends on TTY

sound/soc/codecs/Makefile

@@ -47,6 +47,7 @@ snd-soc-cs4271-spi-objs := cs4271-spi.o
 snd-soc-cs42xx8-objs := cs42xx8.o
 snd-soc-cs42xx8-i2c-objs := cs42xx8-i2c.o
 snd-soc-cs4349-objs := cs4349.o
+snd-soc-cs47l24-objs := cs47l24.o
 snd-soc-cx20442-objs := cx20442.o
 snd-soc-da7210-objs := da7210.o
 snd-soc-da7213-objs := da7213.o
@@ -242,6 +243,7 @@ obj-$(CONFIG_SND_SOC_CS4271_SPI)	+= snd-soc-cs4271-spi.o
 obj-$(CONFIG_SND_SOC_CS42XX8)	+= snd-soc-cs42xx8.o
 obj-$(CONFIG_SND_SOC_CS42XX8_I2C) += snd-soc-cs42xx8-i2c.o
 obj-$(CONFIG_SND_SOC_CS4349)	+= snd-soc-cs4349.o
+obj-$(CONFIG_SND_SOC_CS47L24)	+= snd-soc-cs47l24.o
 obj-$(CONFIG_SND_SOC_CX20442)	+= snd-soc-cx20442.o
 obj-$(CONFIG_SND_SOC_DA7210)	+= snd-soc-da7210.o
 obj-$(CONFIG_SND_SOC_DA7213)	+= snd-soc-da7213.o

sound/soc/codecs/cs47l24.h

+/*
+ * cs47l24.h  --  ALSA SoC Audio driver for Cirrus Logic CS47L24
+ *
+ * Copyright 2015 Cirrus Logic Inc.
+ *
+ * Author: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef _CS47L24_H
+#define _CS47L24_H
+
+#include "arizona.h"
+
+#define CS47L24_FLL1        1
+#define CS47L24_FLL2        2
+#define CS47L24_FLL1_REFCLK 3
+#define CS47L24_FLL2_REFCLK 4
+
+#endif