1 files changed, 110 insertions, 113 deletions

diff --git a/sound/soc/codecs/wm8770.c b/sound/soc/codecs/wm8770.c
index c7c0034d3966..89a18d82f303 100644
--- a/sound/soc/codecs/wm8770.c
+++ b/sound/soc/codecs/wm8770.c
@@ -17,6 +17,7 @@
 #include <linux/of_device.h>
 #include <linux/pm.h>
 #include <linux/spi/spi.h>
+#include <linux/regmap.h>
 #include <linux/regulator/consumer.h>
 #include <linux/slab.h>
 #include <sound/core.h>
@@ -35,19 +36,52 @@ static const char *wm8770_supply_names[WM8770_NUM_SUPPLIES] = {
         "DVDD"
 };
 
-static const u16 wm8770_reg_defs[WM8770_CACHEREGNUM] = {
-        0x7f, 0x7f, 0x7f, 0x7f,
-        0x7f, 0x7f, 0x7f, 0x7f,
-        0x7f, 0xff, 0xff, 0xff,
-        0xff, 0xff, 0xff, 0xff,
-        0xff, 0xff, 0, 0x90, 0,
-        0, 0x22, 0x22, 0x3e,
-        0xc, 0xc, 0x100, 0x189,
-        0x189, 0x8770
+static const struct reg_default wm8770_reg_defaults[] = {
+        {  0, 0x7f },
+        {  1, 0x7f },
+        {  2, 0x7f },
+        {  3, 0x7f },
+        {  4, 0x7f },
+        {  5, 0x7f },
+        {  6, 0x7f },
+        {  7, 0x7f },
+        {  8, 0x7f },
+        {  9, 0xff },
+        { 10, 0xff },
+        { 11, 0xff },
+        { 12, 0xff },
+        { 13, 0xff },
+        { 14, 0xff },
+        { 15, 0xff },
+        { 16, 0xff },
+        { 17, 0xff },
+        { 18, 0    },
+        { 19, 0x90 },
+        { 20, 0    },
+        { 21, 0    },
+        { 22, 0x22 },
+        { 23, 0x22 },
+        { 24, 0x3e },
+        { 25, 0xc  },
+        { 26, 0xc  },
+        { 27, 0x100 },
+        { 28, 0x189 },
+        { 29, 0x189 },
+        { 30, 0x8770 },
 };
 
+static bool wm8770_volatile_reg(struct device *dev, unsigned int reg)
+{
+        switch (reg) {
+        case WM8770_RESET:
+                return true;
+        default:
+                return false;
+        }
+}
+
 struct wm8770_priv {
-        enum snd_soc_control_type control_type;
+        struct regmap *regmap;
         struct regulator_bulk_data supplies[WM8770_NUM_SUPPLIES];
         struct notifier_block disable_nb[WM8770_NUM_SUPPLIES];
         struct snd_soc_codec *codec;
@@ -71,7 +105,7 @@ static int wm8770_regulator_event_##n(struct notifier_block *nb, \
         struct wm8770_priv *wm8770 = container_of(nb, struct wm8770_priv, \
                                      disable_nb[n]); \
         if (event & REGULATOR_EVENT_DISABLE) { \
-                wm8770->codec->cache_sync = 1; \
+                regcache_mark_dirty(wm8770->regmap);    \
         } \
         return 0; \
 }
@@ -466,24 +500,6 @@ static int wm8770_set_sysclk(struct snd_soc_dai *dai,
         return 0;
 }
 
-static void wm8770_sync_cache(struct snd_soc_codec *codec)
-{
-        int i;
-        u16 *cache;
-
-        if (!codec->cache_sync)
-                return;
-
-        codec->cache_only = 0;
-        cache = codec->reg_cache;
-        for (i = 0; i < codec->driver->reg_cache_size; i++) {
-                if (i == WM8770_RESET || cache[i] == wm8770_reg_defs[i])
-                        continue;
-                snd_soc_write(codec, i, cache[i]);
-        }
-        codec->cache_sync = 0;
-}
-
 static int wm8770_set_bias_level(struct snd_soc_codec *codec,
                                  enum snd_soc_bias_level level)
 {
@@ -507,7 +523,9 @@ static int wm8770_set_bias_level(struct snd_soc_codec *codec,
                                         ret);
                                 return ret;
                         }
-                        wm8770_sync_cache(codec);
+
+                        regcache_sync(wm8770->regmap);
+
                         /* global powerup */
                         snd_soc_write(codec, WM8770_PWDNCTRL, 0);
                 }
@@ -554,68 +572,25 @@ static struct snd_soc_dai_driver wm8770_dai = {
         .symmetric_rates = 1
 };
 
-#ifdef CONFIG_PM
-static int wm8770_suspend(struct snd_soc_codec *codec)
-{
-        wm8770_set_bias_level(codec, SND_SOC_BIAS_OFF);
-        return 0;
-}
-
-static int wm8770_resume(struct snd_soc_codec *codec)
-{
-        wm8770_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-        return 0;
-}
-#else
-#define wm8770_suspend NULL
-#define wm8770_resume NULL
-#endif
-
 static int wm8770_probe(struct snd_soc_codec *codec)
 {
         struct wm8770_priv *wm8770;
         int ret;
-        int i;
 
         wm8770 = snd_soc_codec_get_drvdata(codec);
         wm8770->codec = codec;
 
-        ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8770->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;
         }
 
-        for (i = 0; i < ARRAY_SIZE(wm8770->supplies); i++)
-                wm8770->supplies[i].supply = wm8770_supply_names[i];
-
-        ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8770->supplies),
-                                 wm8770->supplies);
-        if (ret) {
-                dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
-                return ret;
-        }
-
-        wm8770->disable_nb[0].notifier_call = wm8770_regulator_event_0;
-        wm8770->disable_nb[1].notifier_call = wm8770_regulator_event_1;
-        wm8770->disable_nb[2].notifier_call = wm8770_regulator_event_2;
-
-        /* This should really be moved into the regulator core */
-        for (i = 0; i < ARRAY_SIZE(wm8770->supplies); i++) {
-                ret = regulator_register_notifier(wm8770->supplies[i].consumer,
-                                                  &wm8770->disable_nb[i]);
-                if (ret) {
-                        dev_err(codec->dev,
-                                "Failed to register regulator notifier: %d\n",
-                                ret);
-                }
-        }
-
         ret = regulator_bulk_enable(ARRAY_SIZE(wm8770->supplies),
                                     wm8770->supplies);
         if (ret) {
                 dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
-                goto err_reg_get;
+                return ret;
         }
 
         ret = wm8770_reset(codec);
@@ -624,8 +599,6 @@ static int wm8770_probe(struct snd_soc_codec *codec)
                 goto err_reg_enable;
         }
 
-        wm8770_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
         /* latch the volume update bits */
         snd_soc_update_bits(codec, WM8770_MSDIGVOL, 0x100, 0x100);
         snd_soc_update_bits(codec, WM8770_MSALGVOL, 0x100, 0x100);
@@ -641,46 +614,22 @@ static int wm8770_probe(struct snd_soc_codec *codec)
         /* mute all DACs */
         snd_soc_update_bits(codec, WM8770_DACMUTE, 0x10, 0x10);
 
-        snd_soc_add_codec_controls(codec, wm8770_snd_controls,
-                             ARRAY_SIZE(wm8770_snd_controls));
-        snd_soc_dapm_new_controls(&codec->dapm, wm8770_dapm_widgets,
-                                  ARRAY_SIZE(wm8770_dapm_widgets));
-        snd_soc_dapm_add_routes(&codec->dapm, wm8770_intercon,
-                                ARRAY_SIZE(wm8770_intercon));
-        return 0;
-
 err_reg_enable:
         regulator_bulk_disable(ARRAY_SIZE(wm8770->supplies), wm8770->supplies);
-err_reg_get:
-        regulator_bulk_free(ARRAY_SIZE(wm8770->supplies), wm8770->supplies);
         return ret;
 }
 
-static int wm8770_remove(struct snd_soc_codec *codec)
-{
-        struct wm8770_priv *wm8770;
-        int i;
-
-        wm8770 = snd_soc_codec_get_drvdata(codec);
-        wm8770_set_bias_level(codec, SND_SOC_BIAS_OFF);
-
-        for (i = 0; i < ARRAY_SIZE(wm8770->supplies); ++i)
-                regulator_unregister_notifier(wm8770->supplies[i].consumer,
-                                              &wm8770->disable_nb[i]);
-        regulator_bulk_free(ARRAY_SIZE(wm8770->supplies), wm8770->supplies);
-        return 0;
-}
-
 static struct snd_soc_codec_driver soc_codec_dev_wm8770 = {
         .probe = wm8770_probe,
-        .remove = wm8770_remove,
-        .suspend = wm8770_suspend,
-        .resume = wm8770_resume,
         .set_bias_level = wm8770_set_bias_level,
         .idle_bias_off = true,
-        .reg_cache_size = ARRAY_SIZE(wm8770_reg_defs),
-        .reg_word_size = sizeof (u16),
-        .reg_cache_default = wm8770_reg_defs
+
+        .controls = wm8770_snd_controls,
+        .num_controls = ARRAY_SIZE(wm8770_snd_controls),
+        .dapm_widgets = wm8770_dapm_widgets,
+        .num_dapm_widgets = ARRAY_SIZE(wm8770_dapm_widgets),
+        .dapm_routes = wm8770_intercon,
+        .num_dapm_routes = ARRAY_SIZE(wm8770_intercon),
 };
 
 static const struct of_device_id wm8770_of_match[] = {
@@ -689,17 +638,57 @@ static const struct of_device_id wm8770_of_match[] = {
 };
 MODULE_DEVICE_TABLE(of, wm8770_of_match);
 
-static int __devinit wm8770_spi_probe(struct spi_device *spi)
+static const struct regmap_config wm8770_regmap = {
+        .reg_bits = 7,
+        .val_bits = 9,
+        .max_register = WM8770_RESET,
+
+        .reg_defaults = wm8770_reg_defaults,
+        .num_reg_defaults = ARRAY_SIZE(wm8770_reg_defaults),
+        .cache_type = REGCACHE_RBTREE,
+
+        .volatile_reg = wm8770_volatile_reg,
+};
+
+static int wm8770_spi_probe(struct spi_device *spi)
 {
         struct wm8770_priv *wm8770;
-        int ret;
+        int ret, i;
 
         wm8770 = devm_kzalloc(&spi->dev, sizeof(struct wm8770_priv),
                               GFP_KERNEL);
         if (!wm8770)
                 return -ENOMEM;
 
-        wm8770->control_type = SND_SOC_SPI;
+        for (i = 0; i < ARRAY_SIZE(wm8770->supplies); i++)
+                wm8770->supplies[i].supply = wm8770_supply_names[i];
+
+        ret = devm_regulator_bulk_get(&spi->dev, ARRAY_SIZE(wm8770->supplies),
+                                      wm8770->supplies);
+        if (ret) {
+                dev_err(&spi->dev, "Failed to request supplies: %d\n", ret);
+                return ret;
+        }
+
+        wm8770->disable_nb[0].notifier_call = wm8770_regulator_event_0;
+        wm8770->disable_nb[1].notifier_call = wm8770_regulator_event_1;
+        wm8770->disable_nb[2].notifier_call = wm8770_regulator_event_2;
+
+        /* This should really be moved into the regulator core */
+        for (i = 0; i < ARRAY_SIZE(wm8770->supplies); i++) {
+                ret = regulator_register_notifier(wm8770->supplies[i].consumer,
+                                                  &wm8770->disable_nb[i]);
+                if (ret) {
+                        dev_err(&spi->dev,
+                                "Failed to register regulator notifier: %d\n",
+                                ret);
+                }
+        }
+
+        wm8770->regmap = devm_regmap_init_spi(spi, &wm8770_regmap);
+        if (IS_ERR(wm8770->regmap))
+                return PTR_ERR(wm8770->regmap);
+
         spi_set_drvdata(spi, wm8770);
 
         ret = snd_soc_register_codec(&spi->dev,
@@ -708,9 +697,17 @@ static int __devinit wm8770_spi_probe(struct spi_device *spi)
         return ret;
 }
 
-static int __devexit wm8770_spi_remove(struct spi_device *spi)
+static int wm8770_spi_remove(struct spi_device *spi)
 {
+        struct wm8770_priv *wm8770 = spi_get_drvdata(spi);
+        int i;
+
+        for (i = 0; i < ARRAY_SIZE(wm8770->supplies); ++i)
+                regulator_unregister_notifier(wm8770->supplies[i].consumer,
+                                              &wm8770->disable_nb[i]);
+
         snd_soc_unregister_codec(&spi->dev);
+
         return 0;
 }
 
@@ -721,7 +718,7 @@ static struct spi_driver wm8770_spi_driver = {
                 .of_match_table = wm8770_of_match,
         },
         .probe = wm8770_spi_probe,
-        .remove = __devexit_p(wm8770_spi_remove)
+        .remove = wm8770_spi_remove
 };
 
 module_spi_driver(wm8770_spi_driver);