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Diffstat (limited to 'sound/soc/codecs/ak4641.c')
-rw-r--r--sound/soc/codecs/ak4641.c179
1 files changed, 85 insertions, 94 deletions
diff --git a/sound/soc/codecs/ak4641.c b/sound/soc/codecs/ak4641.c
index c4d165a4bdd..7afe8f48208 100644
--- 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};
@@ -72,7 +74,7 @@ static int ak4641_set_deemph(struct snd_soc_codec *codec)
static int ak4641_put_deemph(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct ak4641_priv *ak4641 = snd_soc_codec_get_drvdata(codec);
int deemph = ucontrol->value.enumerated.item[0];
@@ -87,7 +89,7 @@ static int ak4641_put_deemph(struct snd_kcontrol *kcontrol,
static int ak4641_get_deemph(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
+ struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
struct ak4641_priv *ak4641 = snd_soc_codec_get_drvdata(codec);
ucontrol->value.enumerated.item[0] = ak4641->deemph;
@@ -111,14 +113,14 @@ static const DECLARE_TLV_DB_SCALE(alc_tlv, -800, 50, 0);
static const DECLARE_TLV_DB_SCALE(aux_in_tlv, -2100, 300, 0);
-static const struct soc_enum ak4641_mono_out_enum =
- SOC_ENUM_SINGLE(AK4641_SIG1, 6, 2, ak4641_mono_out);
-static const struct soc_enum ak4641_hp_out_enum =
- SOC_ENUM_SINGLE(AK4641_MODE2, 2, 2, ak4641_hp_out);
-static const struct soc_enum ak4641_mic_select_enum =
- SOC_ENUM_SINGLE(AK4641_MIC, 1, 2, ak4641_mic_select);
-static const struct soc_enum ak4641_mic_or_dac_enum =
- SOC_ENUM_SINGLE(AK4641_BTIF, 4, 2, ak4641_mic_or_dac);
+static SOC_ENUM_SINGLE_DECL(ak4641_mono_out_enum,
+ AK4641_SIG1, 6, ak4641_mono_out);
+static SOC_ENUM_SINGLE_DECL(ak4641_hp_out_enum,
+ AK4641_MODE2, 2, ak4641_hp_out);
+static SOC_ENUM_SINGLE_DECL(ak4641_mic_select_enum,
+ AK4641_MIC, 1, ak4641_mic_select);
+static SOC_ENUM_SINGLE_DECL(ak4641_mic_or_dac_enum,
+ AK4641_BTIF, 4, ak4641_mic_or_dac);
static const struct snd_kcontrol_new ak4641_snd_controls[] = {
SOC_ENUM("Mono 1 Output", ak4641_mono_out_enum),
@@ -296,8 +298,7 @@ static int ak4641_i2s_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_codec *codec = rtd->codec;
+ struct snd_soc_codec *codec = dai->codec;
struct ak4641_priv *ak4641 = snd_soc_codec_get_drvdata(codec);
int rate = params_rate(params), fs = 256;
u8 mode2;
@@ -329,7 +330,7 @@ static int ak4641_i2s_hw_params(struct snd_pcm_substream *substream,
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
ak4641->playback_fs = rate;
ak4641_set_deemph(codec);
- };
+ }
return 0;
}
@@ -397,6 +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;
@@ -418,7 +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);
@@ -434,7 +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;
@@ -517,9 +519,59 @@ static int ak4641_resume(struct snd_soc_codec *codec)
static int ak4641_probe(struct snd_soc_codec *codec)
{
- struct ak4641_platform_data *pdata = codec->dev->platform_data;
+ /* power on device */
+ ak4641_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+
+ return 0;
+}
+
+static int ak4641_remove(struct snd_soc_codec *codec)
+{
+ ak4641_set_bias_level(codec, SND_SOC_BIAS_OFF);
+
+ return 0;
+}
+
+
+static struct snd_soc_codec_driver soc_codec_dev_ak4641 = {
+ .probe = ak4641_probe,
+ .remove = ak4641_remove,
+ .suspend = ak4641_suspend,
+ .resume = ak4641_resume,
+ .controls = ak4641_snd_controls,
+ .num_controls = ARRAY_SIZE(ak4641_snd_controls),
+ .dapm_widgets = ak4641_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(ak4641_dapm_widgets),
+ .dapm_routes = ak4641_audio_map,
+ .num_dapm_routes = ARRAY_SIZE(ak4641_audio_map),
+ .set_bias_level = ak4641_set_bias_level,
+};
+
+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)
+{
+ struct ak4641_platform_data *pdata = i2c->dev.platform_data;
+ struct ak4641_priv *ak4641;
int ret;
+ ak4641 = devm_kzalloc(&i2c->dev, sizeof(struct ak4641_priv),
+ GFP_KERNEL);
+ 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)) {
@@ -539,18 +591,16 @@ static int ak4641_probe(struct snd_soc_codec *codec)
}
}
- ret = snd_soc_codec_set_cache_io(codec, 8, 8, SND_SOC_I2C);
- if (ret != 0) {
- dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
- goto err_register;
- }
+ i2c_set_clientdata(i2c, ak4641);
- /* power on device */
- ak4641_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
+ ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_ak4641,
+ ak4641_dai, ARRAY_SIZE(ak4641_dai));
+ if (ret != 0)
+ goto err_gpio2;
return 0;
-err_register:
+err_gpio2:
if (pdata) {
if (gpio_is_valid(pdata->gpio_power))
gpio_set_value(pdata->gpio_power, 0);
@@ -564,11 +614,11 @@ err_out:
return ret;
}
-static int ak4641_remove(struct snd_soc_codec *codec)
+static int ak4641_i2c_remove(struct i2c_client *i2c)
{
- struct ak4641_platform_data *pdata = codec->dev->platform_data;
+ struct ak4641_platform_data *pdata = i2c->dev.platform_data;
- ak4641_set_bias_level(codec, SND_SOC_BIAS_OFF);
+ snd_soc_unregister_codec(&i2c->dev);
if (pdata) {
if (gpio_is_valid(pdata->gpio_power)) {
@@ -578,50 +628,7 @@ static int ak4641_remove(struct snd_soc_codec *codec)
if (gpio_is_valid(pdata->gpio_npdn))
gpio_free(pdata->gpio_npdn);
}
- return 0;
-}
-
-
-static struct snd_soc_codec_driver soc_codec_dev_ak4641 = {
- .probe = ak4641_probe,
- .remove = ak4641_remove,
- .suspend = ak4641_suspend,
- .resume = ak4641_resume,
- .controls = ak4641_snd_controls,
- .num_controls = ARRAY_SIZE(ak4641_snd_controls),
- .dapm_widgets = ak4641_dapm_widgets,
- .num_dapm_widgets = ARRAY_SIZE(ak4641_dapm_widgets),
- .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 int __devinit ak4641_i2c_probe(struct i2c_client *i2c,
- const struct i2c_device_id *id)
-{
- struct ak4641_priv *ak4641;
- int ret;
- ak4641 = devm_kzalloc(&i2c->dev, sizeof(struct ak4641_priv),
- GFP_KERNEL);
- if (!ak4641)
- return -ENOMEM;
-
- i2c_set_clientdata(i2c, ak4641);
-
- ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_ak4641,
- ak4641_dai, ARRAY_SIZE(ak4641_dai));
- return ret;
-}
-
-static int __devexit ak4641_i2c_remove(struct i2c_client *i2c)
-{
- snd_soc_unregister_codec(&i2c->dev);
return 0;
}
@@ -637,27 +644,11 @@ static struct i2c_driver ak4641_i2c_driver = {
.owner = THIS_MODULE,
},
.probe = ak4641_i2c_probe,
- .remove = __devexit_p(ak4641_i2c_remove),
+ .remove = ak4641_i2c_remove,
.id_table = ak4641_i2c_id,
};
-static int __init ak4641_modinit(void)
-{
- int ret;
-
- ret = i2c_add_driver(&ak4641_i2c_driver);
- if (ret != 0)
- pr_err("Failed to register AK4641 I2C driver: %d\n", ret);
-
- return ret;
-}
-module_init(ak4641_modinit);
-
-static void __exit ak4641_exit(void)
-{
- i2c_del_driver(&ak4641_i2c_driver);
-}
-module_exit(ak4641_exit);
+module_i2c_driver(ak4641_i2c_driver);
MODULE_DESCRIPTION("SoC AK4641 driver");
MODULE_AUTHOR("Harald Welte <laforge@gnufiish.org>");