ASoC: sn95031: Convert to regmap

This moves us towards being able to remove the duplicated register I/O
functionality in ASoC.

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

diff --git a/sound/soc/codecs/sn95031.c b/sound/soc/codecs/sn95031.c
index dba26e6..13045f2 100644 (file)
--- a/sound/soc/codecs/sn95031.c
+++ b/sound/soc/codecs/sn95031.c
@@ -164,30 +164,28 @@ static unsigned int sn95031_get_mic_bias(struct snd_soc_codec *codec)
 }
 /*end - adc helper functions */
 
-static inline unsigned int sn95031_read(struct snd_soc_codec *codec,
-                       unsigned int reg)
+static int sn95031_read(void *ctx, unsigned int reg, unsigned int *val)
 {
        u8 value = 0;
        int ret;
 
        ret = intel_scu_ipc_ioread8(reg, &value);
-       if (ret)
-               pr_err("read of %x failed, err %d\n", reg, ret);
-       return value;
+       if (ret == 0)
+               *val = value;
 
+       return ret;
 }
 
-static inline int sn95031_write(struct snd_soc_codec *codec,
-                       unsigned int reg, unsigned int value)
+static int sn95031_write(void *ctx, unsigned int reg, unsigned int value)
 {
-       int ret;
-
-       ret = intel_scu_ipc_iowrite8(reg, value);
-       if (ret)
-               pr_err("write of %x failed, err %d\n", reg, ret);
-       return ret;
+       return intel_scu_ipc_iowrite8(reg, value);
 }
 
+static const struct regmap_config sn95031_regmap = {
+       .reg_read = sn95031_read,
+       .reg_write = sn95031_write,
+};
+
 static int sn95031_set_vaud_bias(struct snd_soc_codec *codec,
                enum snd_soc_bias_level level)
 {
@@ -827,6 +825,8 @@ static int sn95031_codec_probe(struct snd_soc_codec *codec)
 {
        pr_debug("codec_probe called\n");
 
+       snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP);
+
        /* PCM interface config
         * This sets the pcm rx slot conguration to max 6 slots
         * for max 4 dais (2 stereo and 2 mono)
@@ -886,8 +886,6 @@ static int sn95031_codec_remove(struct snd_soc_codec *codec)
 static struct snd_soc_codec_driver sn95031_codec = {
        .probe          = sn95031_codec_probe,
        .remove         = sn95031_codec_remove,
-       .read           = sn95031_read,
-       .write          = sn95031_write,
        .set_bias_level = sn95031_set_vaud_bias,
        .idle_bias_off  = true,
        .dapm_widgets   = sn95031_dapm_widgets,
@@ -898,7 +896,14 @@ static struct snd_soc_codec_driver sn95031_codec = {
 
 static int sn95031_device_probe(struct platform_device *pdev)
 {
+       struct regmap *regmap;
+
        pr_debug("codec device probe called for %s\n", dev_name(&pdev->dev));
+
+       regmap = devm_regmap_init(&pdev->dev, NULL, NULL, &sn95031_regmap);
+       if (IS_ERR(regmap))
+               return PTR_ERR(regmap);
+
        return snd_soc_register_codec(&pdev->dev, &sn95031_codec,
                        sn95031_dais, ARRAY_SIZE(sn95031_dais));
 }