ASoC: wm8960: Convert to direct regmap API usage

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 84 insertions, 23 deletions

diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c
index 804f4116912f..7cb0d07ca8a6 100644
--- a/sound/soc/codecs/wm8960.c
+++ b/sound/soc/codecs/wm8960.c
@@ -52,25 +52,72 @@
  * We can't read the WM8960 register space when we are
  * using 2 wire for device control, so we cache them instead.
  */
-static const u16 wm8960_reg[WM8960_CACHEREGNUM] = {
-        0x0097, 0x0097, 0x0000, 0x0000,
-        0x0000, 0x0008, 0x0000, 0x000a,
-        0x01c0, 0x0000, 0x00ff, 0x00ff,
-        0x0000, 0x0000, 0x0000, 0x0000,
-        0x0000, 0x007b, 0x0100, 0x0032,
-        0x0000, 0x00c3, 0x00c3, 0x01c0,
-        0x0000, 0x0000, 0x0000, 0x0000,
-        0x0000, 0x0000, 0x0000, 0x0000,
-        0x0100, 0x0100, 0x0050, 0x0050,
-        0x0050, 0x0050, 0x0000, 0x0000,
-        0x0000, 0x0000, 0x0040, 0x0000,
-        0x0000, 0x0050, 0x0050, 0x0000,
-        0x0002, 0x0037, 0x004d, 0x0080,
-        0x0008, 0x0031, 0x0026, 0x00e9,
+static const struct reg_default wm8960_reg_defaults[] = {
+        {  0x0, 0x0097 },
+        {  0x1, 0x0097 },
+        {  0x2, 0x0000 },
+        {  0x3, 0x0000 },
+        {  0x4, 0x0000 },
+        {  0x5, 0x0008 },
+        {  0x6, 0x0000 },
+        {  0x7, 0x000a },
+        {  0x8, 0x01c0 },
+        {  0x9, 0x0000 },
+        {  0xa, 0x00ff },
+        {  0xb, 0x00ff },
+
+        { 0x10, 0x0000 },
+        { 0x11, 0x007b },
+        { 0x12, 0x0100 },
+        { 0x13, 0x0032 },
+        { 0x14, 0x0000 },
+        { 0x15, 0x00c3 },
+        { 0x16, 0x00c3 },
+        { 0x17, 0x01c0 },
+        { 0x18, 0x0000 },
+        { 0x19, 0x0000 },
+        { 0x1a, 0x0000 },
+        { 0x1b, 0x0000 },
+        { 0x1c, 0x0000 },
+        { 0x1d, 0x0000 },
+
+        { 0x20, 0x0100 },
+        { 0x21, 0x0100 },
+        { 0x22, 0x0050 },
+
+        { 0x25, 0x0050 },
+        { 0x26, 0x0000 },
+        { 0x27, 0x0000 },
+        { 0x28, 0x0000 },
+        { 0x29, 0x0000 },
+        { 0x2a, 0x0040 },
+        { 0x2b, 0x0000 },
+        { 0x2c, 0x0000 },
+        { 0x2d, 0x0050 },
+        { 0x2e, 0x0050 },
+        { 0x2f, 0x0000 },
+        { 0x30, 0x0002 },
+        { 0x31, 0x0037 },
+
+        { 0x33, 0x0080 },
+        { 0x34, 0x0008 },
+        { 0x35, 0x0031 },
+        { 0x36, 0x0026 },
+        { 0x37, 0x00e9 },
 };
 
+static bool wm8960_volatile(struct device *dev, unsigned int reg)
+{
+        switch (reg) {
+        case WM8960_RESET:
+                return true;
+        default:
+                return false;
+        }
+}
+
 struct wm8960_priv {
-        enum snd_soc_control_type control_type;
+        struct regmap *regmap;
         int (*set_bias_level)(struct snd_soc_codec *,
                               enum snd_soc_bias_level level);
         struct snd_soc_dapm_widget *lout1;
@@ -555,6 +602,8 @@ static int wm8960_mute(struct snd_soc_dai *dai, int mute)
 static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec,
                                       enum snd_soc_bias_level level)
 {
+        struct wm8960_priv *wm8960 = snd_soc_codec_get_drvdata(codec);
+
         switch (level) {
         case SND_SOC_BIAS_ON:
                 break;
@@ -566,7 +615,7 @@ static int wm8960_set_bias_level_out3(struct snd_soc_codec *codec,
 
         case SND_SOC_BIAS_STANDBY:
                 if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
-                        snd_soc_cache_sync(codec);
+                        regcache_sync(wm8960->regmap);
 
                         /* Enable anti-pop features */
                         snd_soc_write(codec, WM8960_APOP1,
@@ -667,7 +716,7 @@ static int wm8960_set_bias_level_capless(struct snd_soc_codec *codec,
                         break;
 
                 case SND_SOC_BIAS_OFF:
-                        snd_soc_cache_sync(codec);
+                        regcache_sync(wm8960->regmap);
                         break;
                 default:
                         break;
@@ -915,7 +964,7 @@ static int wm8960_probe(struct snd_soc_codec *codec)
                         wm8960->set_bias_level = wm8960_set_bias_level_capless;
         }
 
-        ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8960->control_type);
+        ret = snd_soc_codec_set_cache_io(codec, 7, 9, SND_SOC_REGMAP);
         if (ret < 0) {
                 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
                 return ret;
@@ -963,9 +1012,18 @@ static struct snd_soc_codec_driver soc_codec_dev_wm8960 = {
         .suspend =      wm8960_suspend,
         .resume =       wm8960_resume,
         .set_bias_level = wm8960_set_bias_level,
-        .reg_cache_size = ARRAY_SIZE(wm8960_reg),
-        .reg_word_size = sizeof(u16),
-        .reg_cache_default = wm8960_reg,
+};
+
+static const struct regmap_config wm8960_regmap = {
+        .reg_bits = 7,
+        .val_bits = 9,
+        .max_register = WM8960_PLL4,
+
+        .reg_defaults = wm8960_reg_defaults,
+        .num_reg_defaults = ARRAY_SIZE(wm8960_reg_defaults),
+        .cache_type = REGCACHE_RBTREE,
+
+        .volatile_reg = wm8960_volatile,
 };
 
 static __devinit int wm8960_i2c_probe(struct i2c_client *i2c,
@@ -979,8 +1037,11 @@ static __devinit int wm8960_i2c_probe(struct i2c_client *i2c,
         if (wm8960 == NULL)
                 return -ENOMEM;
 
+        wm8960->regmap = regmap_init_i2c(i2c, &wm8960_regmap);
+        if (IS_ERR(wm8960->regmap))
+                return PTR_ERR(wm8960->regmap);
+
         i2c_set_clientdata(i2c, wm8960);
-        wm8960->control_type = SND_SOC_I2C;
 
         ret = snd_soc_register_codec(&i2c->dev,
                         &soc_codec_dev_wm8960, &wm8960_dai, 1);