1 files changed, 27 insertions, 112 deletions

diff --git a/sound/soc/codecs/tlv320aic26.c b/sound/soc/codecs/tlv320aic26.c
index 7b8f3d965f43..94a658fa6d97 100644
--- a/sound/soc/codecs/tlv320aic26.c
+++ b/sound/soc/codecs/tlv320aic26.c
@@ -29,6 +29,7 @@ MODULE_LICENSE("GPL");
 /* AIC26 driver private data */
 struct aic26 {
         struct spi_device *spi;
+        struct regmap *regmap;
         struct snd_soc_codec *codec;
         int master;
         int datfm;
@@ -40,85 +41,6 @@ struct aic26 {
         int keyclick_len;
 };
 
-/* ---------------------------------------------------------------------
- * Register access routines
- */
-static unsigned int aic26_reg_read(struct snd_soc_codec *codec,
-                                   unsigned int reg)
-{
-        struct aic26 *aic26 = snd_soc_codec_get_drvdata(codec);
-        u16 *cache = codec->reg_cache;
-        u16 cmd, value;
-        u8 buffer[2];
-        int rc;
-
-        if (reg >= AIC26_NUM_REGS) {
-                WARN_ON_ONCE(1);
-                return 0;
-        }
-
-        /* Do SPI transfer; first 16bits are command; remaining is
-         * register contents */
-        cmd = AIC26_READ_COMMAND_WORD(reg);
-        buffer[0] = (cmd >> 8) & 0xff;
-        buffer[1] = cmd & 0xff;
-        rc = spi_write_then_read(aic26->spi, buffer, 2, buffer, 2);
-        if (rc) {
-                dev_err(&aic26->spi->dev, "AIC26 reg read error\n");
-                return -EIO;
-        }
-        value = (buffer[0] << 8) | buffer[1];
-
-        /* Update the cache before returning with the value */
-        cache[reg] = value;
-        return value;
-}
-
-static unsigned int aic26_reg_read_cache(struct snd_soc_codec *codec,
-                                         unsigned int reg)
-{
-        u16 *cache = codec->reg_cache;
-
-        if (reg >= AIC26_NUM_REGS) {
-                WARN_ON_ONCE(1);
-                return 0;
-        }
-
-        return cache[reg];
-}
-
-static int aic26_reg_write(struct snd_soc_codec *codec, unsigned int reg,
-                           unsigned int value)
-{
-        struct aic26 *aic26 = snd_soc_codec_get_drvdata(codec);
-        u16 *cache = codec->reg_cache;
-        u16 cmd;
-        u8 buffer[4];
-        int rc;
-
-        if (reg >= AIC26_NUM_REGS) {
-                WARN_ON_ONCE(1);
-                return -EINVAL;
-        }
-
-        /* Do SPI transfer; first 16bits are command; remaining is data
-         * to write into register */
-        cmd = AIC26_WRITE_COMMAND_WORD(reg);
-        buffer[0] = (cmd >> 8) & 0xff;
-        buffer[1] = cmd & 0xff;
-        buffer[2] = value >> 8;
-        buffer[3] = value;
-        rc = spi_write(aic26->spi, buffer, 4);
-        if (rc) {
-                dev_err(&aic26->spi->dev, "AIC26 reg read error\n");
-                return -EIO;
-        }
-
-        /* update cache before returning */
-        cache[reg] = value;
-        return 0;
-}
-
 static const struct snd_soc_dapm_widget tlv320aic26_dapm_widgets[] = {
 SND_SOC_DAPM_INPUT("MICIN"),
 SND_SOC_DAPM_INPUT("AUX"),
@@ -195,19 +117,15 @@ static int aic26_hw_params(struct snd_pcm_substream *substream,
         snd_soc_write(codec, AIC26_REG_PLL_PROG2, reg);
 
         /* Audio Control 3 (master mode, fsref rate) */
-        reg = aic26_reg_read_cache(codec, AIC26_REG_AUDIO_CTRL3);
-        reg &= ~0xf800;
         if (aic26->master)
-                reg |= 0x0800;
+                reg = 0x0800;
         if (fsref == 48000)
-                reg |= 0x2000;
-        snd_soc_write(codec, AIC26_REG_AUDIO_CTRL3, reg);
+                reg = 0x2000;
+        snd_soc_update_bits(codec, AIC26_REG_AUDIO_CTRL3, 0xf800, reg);
 
         /* Audio Control 1 (FSref divisor) */
-        reg = aic26_reg_read_cache(codec, AIC26_REG_AUDIO_CTRL1);
-        reg &= ~0x0fff;
-        reg |= wlen | aic26->datfm | (divisor << 3) | divisor;
-        snd_soc_write(codec, AIC26_REG_AUDIO_CTRL1, reg);
+        reg = wlen | aic26->datfm | (divisor << 3) | divisor;
+        snd_soc_update_bits(codec, AIC26_REG_AUDIO_CTRL1, 0xfff, reg);
 
         return 0;
 }
@@ -219,16 +137,16 @@ static int aic26_mute(struct snd_soc_dai *dai, int mute)
 {
         struct snd_soc_codec *codec = dai->codec;
         struct aic26 *aic26 = snd_soc_codec_get_drvdata(codec);
-        u16 reg = aic26_reg_read_cache(codec, AIC26_REG_DAC_GAIN);
+        u16 reg;
 
         dev_dbg(&aic26->spi->dev, "aic26_mute(dai=%p, mute=%i)\n",
                 dai, mute);
 
         if (mute)
-                reg |= 0x8080;
+                reg = 0x8080;
         else
-                reg &= ~0x8080;
-        snd_soc_write(codec, AIC26_REG_DAC_GAIN, reg);
+                reg = 0;
+        snd_soc_update_bits(codec, AIC26_REG_DAC_GAIN, 0x8000, reg);
 
         return 0;
 }
@@ -346,7 +264,7 @@ static ssize_t aic26_keyclick_show(struct device *dev,
         struct aic26 *aic26 = dev_get_drvdata(dev);
         int val, amp, freq, len;
 
-        val = aic26_reg_read_cache(aic26->codec, AIC26_REG_AUDIO_CTRL2);
+        val = snd_soc_read(aic26->codec, AIC26_REG_AUDIO_CTRL2);
         amp = (val >> 12) & 0x7;
         freq = (125 << ((val >> 8) & 0x7)) >> 1;
         len = 2 * (1 + ((val >> 4) & 0xf));
@@ -360,11 +278,9 @@ static ssize_t aic26_keyclick_set(struct device *dev,
                                   const char *buf, size_t count)
 {
         struct aic26 *aic26 = dev_get_drvdata(dev);
-        int val;
 
-        val = aic26_reg_read_cache(aic26->codec, AIC26_REG_AUDIO_CTRL2);
-        val |= 0x8000;
-        snd_soc_write(aic26->codec, AIC26_REG_AUDIO_CTRL2, val);
+        snd_soc_update_bits(aic26->codec, AIC26_REG_AUDIO_CTRL2,
+                            0x8000, 0x800);
 
         return count;
 }
@@ -377,7 +293,9 @@ static DEVICE_ATTR(keyclick, 0644, aic26_keyclick_show, aic26_keyclick_set);
 static int aic26_probe(struct snd_soc_codec *codec)
 {
         struct aic26 *aic26 = dev_get_drvdata(codec->dev);
-        int ret, err, i, reg;
+        int ret, reg;
+
+        snd_soc_codec_set_cache_io(codec, 16, 16, SND_SOC_REGMAP);
 
         aic26->codec = codec;
 
@@ -393,37 +311,30 @@ static int aic26_probe(struct snd_soc_codec *codec)
         reg |= 0x0800; /* set master mode */
         snd_soc_write(codec, AIC26_REG_AUDIO_CTRL3, reg);
 
-        /* Fill register cache */
-        for (i = 0; i < codec->driver->reg_cache_size; i++)
-                snd_soc_read(codec, i);
-
         /* Register the sysfs files for debugging */
         /* Create SysFS files */
         ret = device_create_file(codec->dev, &dev_attr_keyclick);
         if (ret)
                 dev_info(codec->dev, "error creating sysfs files\n");
 
-        /* register controls */
-        dev_dbg(codec->dev, "Registering controls\n");
-        err = snd_soc_add_codec_controls(codec, aic26_snd_controls,
-                        ARRAY_SIZE(aic26_snd_controls));
-        WARN_ON(err < 0);
-
         return 0;
 }
 
 static struct snd_soc_codec_driver aic26_soc_codec_dev = {
         .probe = aic26_probe,
-        .read = aic26_reg_read,
-        .write = aic26_reg_write,
-        .reg_cache_size = AIC26_NUM_REGS,
-        .reg_word_size = sizeof(u16),
+        .controls = aic26_snd_controls,
+        .num_controls = ARRAY_SIZE(aic26_snd_controls),
         .dapm_widgets = tlv320aic26_dapm_widgets,
         .num_dapm_widgets = ARRAY_SIZE(tlv320aic26_dapm_widgets),
         .dapm_routes = tlv320aic26_dapm_routes,
         .num_dapm_routes = ARRAY_SIZE(tlv320aic26_dapm_routes),
 };
 
+static const struct regmap_config aic26_regmap = {
+        .reg_bits = 16,
+        .val_bits = 16,
+};
+
 /* ---------------------------------------------------------------------
  * SPI device portion of driver: probe and release routines and SPI
  *                               driver registration.
@@ -440,6 +351,10 @@ static int aic26_spi_probe(struct spi_device *spi)
         if (!aic26)
                 return -ENOMEM;
 
+        aic26->regmap = devm_regmap_init_spi(spi, &aic26_regmap);
+        if (IS_ERR(aic26->regmap))
+                return PTR_ERR(aic26->regmap);
+
         /* Initialize the driver data */
         aic26->spi = spi;
         dev_set_drvdata(&spi->dev, aic26);