These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / sound / soc / codecs / lm4857.c

diff --git a/kernel/sound/soc/codecs/lm4857.c b/kernel/sound/soc/codecs/lm4857.c
index a924bb9..558de10 100644 (file)
--- a/kernel/sound/soc/codecs/lm4857.c
+++ b/kernel/sound/soc/codecs/lm4857.c
@@ -23,11 +23,6 @@
 #include <sound/soc.h>
 #include <sound/tlv.h>
 
-struct lm4857 {
-       struct regmap *regmap;
-       uint8_t mode;
-};
-
 static const struct reg_default lm4857_default_regs[] = {
        { 0x0, 0x00 },
        { 0x1, 0x00 },
@@ -46,66 +41,33 @@ static const struct reg_default lm4857_default_regs[] = {
 #define LM4857_WAKEUP 5
 #define LM4857_EPGAIN 4
 
-static int lm4857_get_mode(struct snd_kcontrol *kcontrol,
-       struct snd_ctl_elem_value *ucontrol)
-{
-       struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
-       struct lm4857 *lm4857 = snd_soc_codec_get_drvdata(codec);
-
-       ucontrol->value.integer.value[0] = lm4857->mode;
-
-       return 0;
-}
-
-static int lm4857_set_mode(struct snd_kcontrol *kcontrol,
-       struct snd_ctl_elem_value *ucontrol)
-{
-       struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
-       struct lm4857 *lm4857 = snd_soc_codec_get_drvdata(codec);
-       uint8_t value = ucontrol->value.integer.value[0];
-
-       lm4857->mode = value;
-
-       if (codec->dapm.bias_level == SND_SOC_BIAS_ON)
-               regmap_update_bits(lm4857->regmap, LM4857_CTRL, 0x0F, value + 6);
-
-       return 1;
-}
-
-static int lm4857_set_bias_level(struct snd_soc_codec *codec,
-                                enum snd_soc_bias_level level)
-{
-       struct lm4857 *lm4857 = snd_soc_codec_get_drvdata(codec);
-
-       switch (level) {
-       case SND_SOC_BIAS_ON:
-               regmap_update_bits(lm4857->regmap, LM4857_CTRL, 0x0F,
-                       lm4857->mode + 6);
-               break;
-       case SND_SOC_BIAS_STANDBY:
-               regmap_update_bits(lm4857->regmap, LM4857_CTRL, 0x0F, 0);
-               break;
-       default:
-               break;
-       }
-
-       codec->dapm.bias_level = level;
-
-       return 0;
-}
+static const unsigned int lm4857_mode_values[] = {
+       0,
+       6,
+       7,
+       8,
+       9,
+};
 
-static const char *lm4857_mode[] = {
+static const char * const lm4857_mode_texts[] = {
+       "Off",
        "Earpiece",
        "Loudspeaker",
        "Loudspeaker + Headphone",
        "Headphone",
 };
 
-static SOC_ENUM_SINGLE_EXT_DECL(lm4857_mode_enum, lm4857_mode);
+static SOC_VALUE_ENUM_SINGLE_AUTODISABLE_DECL(lm4857_mode_enum,
+       LM4857_CTRL, 0, 0xf, lm4857_mode_texts, lm4857_mode_values);
+
+static const struct snd_kcontrol_new lm4857_mode_ctrl =
+       SOC_DAPM_ENUM("Mode", lm4857_mode_enum);
 
 static const struct snd_soc_dapm_widget lm4857_dapm_widgets[] = {
        SND_SOC_DAPM_INPUT("IN"),
 
+       SND_SOC_DAPM_DEMUX("Mode", SND_SOC_NOPM, 0, 0, &lm4857_mode_ctrl),
+
        SND_SOC_DAPM_OUTPUT("LS"),
        SND_SOC_DAPM_OUTPUT("HP"),
        SND_SOC_DAPM_OUTPUT("EP"),
@@ -127,24 +89,18 @@ static const struct snd_kcontrol_new lm4857_controls[] = {
                LM4857_WAKEUP, 1, 0),
        SOC_SINGLE("Earpiece 6dB Playback Switch", LM4857_CTRL,
                LM4857_EPGAIN, 1, 0),
-
-       SOC_ENUM_EXT("Mode", lm4857_mode_enum,
-               lm4857_get_mode, lm4857_set_mode),
 };
 
-/* There is a demux between the input signal and the output signals.
- * Currently there is no easy way to model it in ASoC and since it does not make
- * much of a difference in practice simply connect the input direclty to the
- * outputs. */
 static const struct snd_soc_dapm_route lm4857_routes[] = {
-       {"LS", NULL, "IN"},
-       {"HP", NULL, "IN"},
-       {"EP", NULL, "IN"},
+       { "Mode", NULL, "IN" },
+       { "LS", "Loudspeaker", "Mode" },
+       { "LS", "Loudspeaker + Headphone", "Mode" },
+       { "HP", "Headphone", "Mode" },
+       { "HP", "Loudspeaker + Headphone", "Mode" },
+       { "EP", "Earpiece", "Mode" },
 };
 
-static struct snd_soc_codec_driver soc_codec_dev_lm4857 = {
-       .set_bias_level = lm4857_set_bias_level,
-
+static struct snd_soc_component_driver lm4857_component_driver = {
        .controls = lm4857_controls,
        .num_controls = ARRAY_SIZE(lm4857_controls),
        .dapm_widgets = lm4857_dapm_widgets,
@@ -167,25 +123,14 @@ static const struct regmap_config lm4857_regmap_config = {
 static int lm4857_i2c_probe(struct i2c_client *i2c,
                            const struct i2c_device_id *id)
 {
-       struct lm4857 *lm4857;
-
-       lm4857 = devm_kzalloc(&i2c->dev, sizeof(*lm4857), GFP_KERNEL);
-       if (!lm4857)
-               return -ENOMEM;
-
-       i2c_set_clientdata(i2c, lm4857);
-
-       lm4857->regmap = devm_regmap_init_i2c(i2c, &lm4857_regmap_config);
-       if (IS_ERR(lm4857->regmap))
-               return PTR_ERR(lm4857->regmap);
+       struct regmap *regmap;
 
-       return snd_soc_register_codec(&i2c->dev, &soc_codec_dev_lm4857, NULL, 0);
-}
+       regmap = devm_regmap_init_i2c(i2c, &lm4857_regmap_config);
+       if (IS_ERR(regmap))
+               return PTR_ERR(regmap);
 
-static int lm4857_i2c_remove(struct i2c_client *i2c)
-{
-       snd_soc_unregister_codec(&i2c->dev);
-       return 0;
+       return devm_snd_soc_register_component(&i2c->dev,
+               &lm4857_component_driver, NULL, 0);
 }
 
 static const struct i2c_device_id lm4857_i2c_id[] = {
@@ -197,10 +142,8 @@ MODULE_DEVICE_TABLE(i2c, lm4857_i2c_id);
 static struct i2c_driver lm4857_i2c_driver = {
        .driver = {
                .name = "lm4857",
-               .owner = THIS_MODULE,
        },
        .probe = lm4857_i2c_probe,
-       .remove = lm4857_i2c_remove,
        .id_table = lm4857_i2c_id,
 };