ASoC: ak4641: Convert to direct regmap API usage

We're trying to remove the ASoC level I/O functions.

Signed-off-by: Mark Brown <broonie@linaro.org>

diff --git a/sound/soc/codecs/ak4641.c b/sound/soc/codecs/ak4641.c
index 49cc5f6d6dba41cd1d45712fc15037d8031ddaf5..94cbe508dd3748723197f7443f5a6ed8524b2b14 100644 (file)
--- a/sound/soc/codecs/ak4641.c
+++ b/sound/soc/codecs/ak4641.c
@@ -17,6 +17,7 @@
 #include <linux/gpio.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>
@@ -30,6 +31,7 @@
 
 /* codec private data */
 struct ak4641_priv {
+       struct regmap *regmap;
        unsigned int sysclk;
        int deemph;
        int playback_fs;
@@ -38,12 +40,12 @@ struct ak4641_priv {
 /*
  * ak4641 register cache
  */
-static const u8 ak4641_reg[AK4641_CACHEREGNUM] = {
-       0x00, 0x80, 0x00, 0x80,
-       0x02, 0x00, 0x11, 0x05,
-       0x00, 0x00, 0x36, 0x10,
-       0x00, 0x00, 0x57, 0x00,
-       0x88, 0x88, 0x08, 0x08
+static const struct reg_default ak4641_reg_defaults[] = {
+       {  0, 0x00 }, {  1, 0x80 }, {  2, 0x00 }, {  3, 0x80 },
+       {  4, 0x02 }, {  5, 0x00 }, {  6, 0x11 }, {  7, 0x05 },
+       {  8, 0x00 }, {  9, 0x00 }, { 10, 0x36 }, { 11, 0x10 },
+       { 12, 0x00 }, { 13, 0x00 }, { 14, 0x57 }, { 15, 0x00 },
+       { 16, 0x88 }, { 17, 0x88 }, { 18, 0x08 }, { 19, 0x08 }
 };
 
 static const int deemph_settings[] = {44100, 0, 48000, 32000};
@@ -396,6 +398,7 @@ static int ak4641_mute(struct snd_soc_dai *dai, int mute)
 static int ak4641_set_bias_level(struct snd_soc_codec *codec,
        enum snd_soc_bias_level level)
 {
+       struct ak4641_priv *ak4641 = snd_soc_codec_get_drvdata(codec);
        struct ak4641_platform_data *pdata = codec->dev->platform_data;
        int ret;
 
@@ -417,7 +420,7 @@ static int ak4641_set_bias_level(struct snd_soc_codec *codec,
                                gpio_set_value(pdata->gpio_npdn, 1);
                        mdelay(1);
 
-                       ret = snd_soc_cache_sync(codec);
+                       ret = regcache_sync(ak4641->regmap);
                        if (ret) {
                                dev_err(codec->dev,
                                        "Failed to sync cache: %d\n", ret);
@@ -433,7 +436,7 @@ static int ak4641_set_bias_level(struct snd_soc_codec *codec,
                        gpio_set_value(pdata->gpio_npdn, 0);
                if (pdata && gpio_is_valid(pdata->gpio_power))
                        gpio_set_value(pdata->gpio_power, 0);
-               codec->cache_sync = 1;
+               regcache_mark_dirty(ak4641->regmap);
                break;
        }
        codec->dapm.bias_level = level;
@@ -518,7 +521,7 @@ static int ak4641_probe(struct snd_soc_codec *codec)
 {
        int ret;
 
-       ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_I2C);
+       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;
@@ -550,12 +553,17 @@ static struct snd_soc_codec_driver soc_codec_dev_ak4641 = {
        .dapm_routes            = ak4641_audio_map,
        .num_dapm_routes        = ARRAY_SIZE(ak4641_audio_map),
        .set_bias_level         = ak4641_set_bias_level,
-       .reg_cache_size         = ARRAY_SIZE(ak4641_reg),
-       .reg_word_size          = sizeof(u8),
-       .reg_cache_default      = ak4641_reg,
-       .reg_cache_step         = 1,
 };
 
+static const struct regmap_config ak4641_regmap = {
+       .reg_bits = 8,
+       .val_bits = 8,
+
+       .max_register = AK4641_BTIF,
+       .reg_defaults = ak4641_reg_defaults,
+       .num_reg_defaults = ARRAY_SIZE(ak4641_reg_defaults),
+       .cache_type = REGCACHE_RBTREE,
+};
 
 static int ak4641_i2c_probe(struct i2c_client *i2c,
                            const struct i2c_device_id *id)
@@ -569,6 +577,10 @@ static int ak4641_i2c_probe(struct i2c_client *i2c,
        if (!ak4641)
                return -ENOMEM;
 
+       ak4641->regmap = devm_regmap_init_i2c(i2c, &ak4641_regmap);
+       if (IS_ERR(ak4641->regmap))
+               return PTR_ERR(ak4641->regmap);
+
        if (pdata) {
                if (gpio_is_valid(pdata->gpio_power)) {
                        ret = gpio_request_one(pdata->gpio_power,