ASoC: 88pm860x: Use regmap for I/O
[pandora-kernel.git] / sound / soc / codecs / 88pm860x-codec.c
index 3925cf3..4633e51 100644 (file)
@@ -16,6 +16,7 @@
 #include <linux/mfd/88pm860x.h>
 #include <linux/slab.h>
 #include <linux/delay.h>
+#include <linux/regmap.h>
 #include <sound/core.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
@@ -140,6 +141,7 @@ struct pm860x_priv {
        unsigned int            filter;
        struct snd_soc_codec    *codec;
        struct i2c_client       *i2c;
+       struct regmap           *regmap;
        struct pm860x_chip      *chip;
        struct pm860x_det       det;
 
@@ -269,48 +271,6 @@ static struct st_gain st_table[] = {
        {   -86, 29,  0}, {   -56, 30,  0}, {   -28, 31,  0}, {     0,  0,  0},
 };
 
-static int pm860x_volatile(unsigned int reg)
-{
-       BUG_ON(reg >= REG_CACHE_SIZE);
-
-       switch (reg) {
-       case PM860X_AUDIO_SUPPLIES_2:
-               return 1;
-       }
-
-       return 0;
-}
-
-static unsigned int pm860x_read_reg_cache(struct snd_soc_codec *codec,
-                                         unsigned int reg)
-{
-       unsigned char *cache = codec->reg_cache;
-
-       BUG_ON(reg >= REG_CACHE_SIZE);
-
-       if (pm860x_volatile(reg))
-               return cache[reg];
-
-       reg += REG_CACHE_BASE;
-
-       return pm860x_reg_read(codec->control_data, reg);
-}
-
-static int pm860x_write_reg_cache(struct snd_soc_codec *codec,
-                                 unsigned int reg, unsigned int value)
-{
-       unsigned char *cache = codec->reg_cache;
-
-       BUG_ON(reg >= REG_CACHE_SIZE);
-
-       if (!pm860x_volatile(reg))
-               cache[reg] = (unsigned char)value;
-
-       reg += REG_CACHE_BASE;
-
-       return pm860x_reg_write(codec->control_data, reg, value);
-}
-
 static int snd_soc_get_volsw_2r_st(struct snd_kcontrol *kcontrol,
                                   struct snd_ctl_elem_value *ucontrol)
 {
@@ -1364,7 +1324,7 @@ static int pm860x_probe(struct snd_soc_codec *codec)
 
        pm860x->codec = codec;
 
-       codec->control_data = pm860x->i2c;
+       codec->control_data = pm860x->regmap;
 
        for (i = 0; i < 4; i++) {
                ret = request_threaded_irq(pm860x->irq[i], NULL,
@@ -1378,14 +1338,6 @@ static int pm860x_probe(struct snd_soc_codec *codec)
 
        pm860x_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 
-       ret = pm860x_bulk_read(pm860x->i2c, REG_CACHE_BASE,
-                              REG_CACHE_SIZE, codec->reg_cache);
-       if (ret < 0) {
-               dev_err(codec->dev, "Failed to fill register cache: %d\n",
-                       ret);
-               goto out;
-       }
-
        return 0;
 
 out:
@@ -1408,10 +1360,6 @@ static int pm860x_remove(struct snd_soc_codec *codec)
 static struct snd_soc_codec_driver soc_codec_dev_pm860x = {
        .probe          = pm860x_probe,
        .remove         = pm860x_remove,
-       .read           = pm860x_read_reg_cache,
-       .write          = pm860x_write_reg_cache,
-       .reg_cache_size = REG_CACHE_SIZE,
-       .reg_word_size  = sizeof(u8),
        .set_bias_level = pm860x_set_bias_level,
 
        .controls = pm860x_snd_controls,
@@ -1437,6 +1385,8 @@ static int pm860x_codec_probe(struct platform_device *pdev)
        pm860x->chip = chip;
        pm860x->i2c = (chip->id == CHIP_PM8607) ? chip->client
                        : chip->companion;
+       pm860x->regmap = (chip->id == CHIP_PM8607) ? chip->regmap
+                       : chip->regmap_companion;
        platform_set_drvdata(pdev, pm860x);
 
        for (i = 0; i < 4; i++) {