1 files changed, 58 insertions, 40 deletions

diff --git a/sound/soc/codecs/ak4535.c b/sound/soc/codecs/ak4535.c
index 9e809e05d066..838ae8b22b50 100644
--- a/sound/soc/codecs/ak4535.c
+++ b/sound/soc/codecs/ak4535.c
@@ -18,6 +18,7 @@
 #include <linux/delay.h>
 #include <linux/pm.h>
 #include <linux/i2c.h>
+#include <linux/regmap.h>
 #include <linux/slab.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
@@ -27,24 +28,43 @@
 
 #include "ak4535.h"
 
-#define AK4535_VERSION "0.3"
-
 /* codec private data */
 struct ak4535_priv {
+        struct regmap *regmap;
         unsigned int sysclk;
-        enum snd_soc_control_type control_type;
 };
 
 /*
  * ak4535 register cache
  */
-static const u8 ak4535_reg[AK4535_CACHEREGNUM] = {
-        0x00, 0x80, 0x00, 0x03,
-        0x02, 0x00, 0x11, 0x01,
-        0x00, 0x40, 0x36, 0x10,
-        0x00, 0x00, 0x57, 0x00,
+static const struct reg_default ak4535_reg_defaults[] = {
+        { 0, 0x00 },
+        { 1, 0x80 },
+        { 2, 0x00 },
+        { 3, 0x03 },
+        { 4, 0x02 },
+        { 5, 0x00 },
+        { 6, 0x11 },
+        { 7, 0x01 },
+        { 8, 0x00 },
+        { 9, 0x40 },
+        { 10, 0x36 },
+        { 11, 0x10 },
+        { 12, 0x00 },
+        { 13, 0x00 },
+        { 14, 0x57 },
 };
 
+static bool ak4535_volatile(struct device *dev, unsigned int reg)
+{
+        switch (reg) {
+        case AK4535_STATUS:
+                return true;
+        default:
+                return false;
+        }
+}
+
 static const char *ak4535_mono_gain[] = {"+6dB", "-17dB"};
 static const char *ak4535_mono_out[] = {"(L + R)/2", "Hi-Z"};
 static const char *ak4535_hp_out[] = {"Stereo", "Mono"};
@@ -372,9 +392,8 @@ static int ak4535_probe(struct snd_soc_codec *codec)
         struct ak4535_priv *ak4535 = snd_soc_codec_get_drvdata(codec);
         int ret;
 
-        printk(KERN_INFO "AK4535 Audio Codec %s", AK4535_VERSION);
-
-        ret = snd_soc_codec_set_cache_io(codec, 8, 8, ak4535->control_type);
+        codec->control_data = ak4535->regmap;
+        ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_REGMAP);
         if (ret < 0) {
                 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
                 return ret;
@@ -382,7 +401,7 @@ static int ak4535_probe(struct snd_soc_codec *codec)
         /* power on device */
         ak4535_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 
-        snd_soc_add_controls(codec, ak4535_snd_controls,
+        snd_soc_add_codec_controls(codec, ak4535_snd_controls,
                                 ARRAY_SIZE(ak4535_snd_controls));
         return 0;
 }
@@ -394,22 +413,30 @@ static int ak4535_remove(struct snd_soc_codec *codec)
         return 0;
 }
 
+static const struct regmap_config ak4535_regmap = {
+        .reg_bits = 8,
+        .val_bits = 8,
+
+        .max_register = AK4535_STATUS,
+        .volatile_reg = ak4535_volatile,
+
+        .cache_type = REGCACHE_RBTREE,
+        .reg_defaults = ak4535_reg_defaults,
+        .num_reg_defaults = ARRAY_SIZE(ak4535_reg_defaults),
+};
+
 static struct snd_soc_codec_driver soc_codec_dev_ak4535 = {
         .probe =        ak4535_probe,
         .remove =       ak4535_remove,
         .suspend =      ak4535_suspend,
         .resume =       ak4535_resume,
         .set_bias_level = ak4535_set_bias_level,
-        .reg_cache_size = ARRAY_SIZE(ak4535_reg),
-        .reg_word_size = sizeof(u8),
-        .reg_cache_default = ak4535_reg,
         .dapm_widgets = ak4535_dapm_widgets,
         .num_dapm_widgets = ARRAY_SIZE(ak4535_dapm_widgets),
         .dapm_routes = ak4535_audio_map,
         .num_dapm_routes = ARRAY_SIZE(ak4535_audio_map),
 };
 
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
 static __devinit int ak4535_i2c_probe(struct i2c_client *i2c,
                                       const struct i2c_device_id *id)
 {
@@ -421,17 +448,29 @@ static __devinit int ak4535_i2c_probe(struct i2c_client *i2c,
         if (ak4535 == NULL)
                 return -ENOMEM;
 
+        ak4535->regmap = regmap_init_i2c(i2c, &ak4535_regmap);
+        if (IS_ERR(ak4535->regmap)) {
+                ret = PTR_ERR(ak4535->regmap);
+                dev_err(&i2c->dev, "Failed to init regmap: %d\n", ret);
+                return ret;
+        }
+
         i2c_set_clientdata(i2c, ak4535);
-        ak4535->control_type = SND_SOC_I2C;
 
         ret = snd_soc_register_codec(&i2c->dev,
                         &soc_codec_dev_ak4535, &ak4535_dai, 1);
+        if (ret != 0)
+                regmap_exit(ak4535->regmap);
+
         return ret;
 }
 
 static __devexit int ak4535_i2c_remove(struct i2c_client *client)
 {
+        struct ak4535_priv *ak4535 = i2c_get_clientdata(client);
+
         snd_soc_unregister_codec(&client->dev);
+        regmap_exit(ak4535->regmap);
         return 0;
 }
 
@@ -443,36 +482,15 @@ MODULE_DEVICE_TABLE(i2c, ak4535_i2c_id);
 
 static struct i2c_driver ak4535_i2c_driver = {
         .driver = {
-                .name = "ak4535-codec",
+                .name = "ak4535",
                 .owner = THIS_MODULE,
         },
         .probe =    ak4535_i2c_probe,
         .remove =   __devexit_p(ak4535_i2c_remove),
         .id_table = ak4535_i2c_id,
 };
-#endif
 
-static int __init ak4535_modinit(void)
-{
-        int ret = 0;
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-        ret = i2c_add_driver(&ak4535_i2c_driver);
-        if (ret != 0) {
-                printk(KERN_ERR "Failed to register AK4535 I2C driver: %d\n",
-                       ret);
-        }
-#endif
-        return ret;
-}
-module_init(ak4535_modinit);
-
-static void __exit ak4535_exit(void)
-{
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
-        i2c_del_driver(&ak4535_i2c_driver);
-#endif
-}
-module_exit(ak4535_exit);
+module_i2c_driver(ak4535_i2c_driver);
 
 MODULE_DESCRIPTION("Soc AK4535 driver");
 MODULE_AUTHOR("Richard Purdie");