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Diffstat (limited to 'sound/soc/codecs/wm8731.c')
-rw-r--r--sound/soc/codecs/wm8731.c92
1 files changed, 68 insertions, 24 deletions
diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
index 5276062d6c7..5ada6161132 100644
--- a/sound/soc/codecs/wm8731.c
+++ b/sound/soc/codecs/wm8731.c
@@ -45,6 +45,7 @@ static const char *wm8731_supply_names[WM8731_NUM_SUPPLIES] = {
struct wm8731_priv {
struct regmap *regmap;
struct regulator_bulk_data supplies[WM8731_NUM_SUPPLIES];
+ const struct snd_pcm_hw_constraint_list *constraints;
unsigned int sysclk;
int sysclk_type;
int playback_fs;
@@ -82,8 +83,8 @@ static bool wm8731_writeable(struct device *dev, unsigned int reg)
static const char *wm8731_input_select[] = {"Line In", "Mic"};
-static const struct soc_enum wm8731_insel_enum =
- SOC_ENUM_SINGLE(WM8731_APANA, 2, 2, wm8731_input_select);
+static SOC_ENUM_SINGLE_DECL(wm8731_insel_enum,
+ WM8731_APANA, 2, wm8731_input_select);
static int wm8731_deemph[] = { 0, 32000, 44100, 48000 };
@@ -118,7 +119,7 @@ static int wm8731_set_deemph(struct snd_soc_codec *codec)
static int wm8731_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 wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
ucontrol->value.enumerated.item[0] = wm8731->deemph;
@@ -129,7 +130,7 @@ static int wm8731_get_deemph(struct snd_kcontrol *kcontrol,
static int wm8731_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 wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
int deemph = ucontrol->value.enumerated.item[0];
int ret = 0;
@@ -290,6 +291,36 @@ static const struct _coeff_div coeff_div[] = {
{12000000, 88200, 136, 0xf, 0x1, 0x1},
};
+/* rates constraints */
+static const unsigned int wm8731_rates_12000000[] = {
+ 8000, 32000, 44100, 48000, 96000, 88200,
+};
+
+static const unsigned int wm8731_rates_12288000_18432000[] = {
+ 8000, 32000, 48000, 96000,
+};
+
+static const unsigned int wm8731_rates_11289600_16934400[] = {
+ 8000, 44100, 88200,
+};
+
+static const struct snd_pcm_hw_constraint_list wm8731_constraints_12000000 = {
+ .list = wm8731_rates_12000000,
+ .count = ARRAY_SIZE(wm8731_rates_12000000),
+};
+
+static const
+struct snd_pcm_hw_constraint_list wm8731_constraints_12288000_18432000 = {
+ .list = wm8731_rates_12288000_18432000,
+ .count = ARRAY_SIZE(wm8731_rates_12288000_18432000),
+};
+
+static const
+struct snd_pcm_hw_constraint_list wm8731_constraints_11289600_16934400 = {
+ .list = wm8731_rates_11289600_16934400,
+ .count = ARRAY_SIZE(wm8731_rates_11289600_16934400),
+};
+
static inline int get_coeff(int mclk, int rate)
{
int i;
@@ -362,17 +393,26 @@ static int wm8731_set_dai_sysclk(struct snd_soc_dai *codec_dai,
}
switch (freq) {
- case 11289600:
+ case 0:
+ wm8731->constraints = NULL;
+ break;
case 12000000:
+ wm8731->constraints = &wm8731_constraints_12000000;
+ break;
case 12288000:
- case 16934400:
case 18432000:
- wm8731->sysclk = freq;
+ wm8731->constraints = &wm8731_constraints_12288000_18432000;
+ break;
+ case 16934400:
+ case 11289600:
+ wm8731->constraints = &wm8731_constraints_11289600_16934400;
break;
default:
return -EINVAL;
}
+ wm8731->sysclk = freq;
+
snd_soc_dapm_sync(&codec->dapm);
return 0;
@@ -407,10 +447,10 @@ static int wm8731_set_dai_fmt(struct snd_soc_dai *codec_dai,
iface |= 0x0001;
break;
case SND_SOC_DAIFMT_DSP_A:
- iface |= 0x0003;
+ iface |= 0x0013;
break;
case SND_SOC_DAIFMT_DSP_B:
- iface |= 0x0013;
+ iface |= 0x0003;
break;
default:
return -EINVAL;
@@ -475,12 +515,26 @@ static int wm8731_set_bias_level(struct snd_soc_codec *codec,
return 0;
}
+static int wm8731_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *dai)
+{
+ struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(dai->codec);
+
+ if (wm8731->constraints)
+ snd_pcm_hw_constraint_list(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_RATE,
+ wm8731->constraints);
+
+ return 0;
+}
+
#define WM8731_RATES SNDRV_PCM_RATE_8000_96000
#define WM8731_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
SNDRV_PCM_FMTBIT_S24_LE)
static const struct snd_soc_dai_ops wm8731_dai_ops = {
+ .startup = wm8731_startup,
.hw_params = wm8731_hw_params,
.digital_mute = wm8731_mute,
.set_sysclk = wm8731_set_dai_sysclk,
@@ -529,17 +583,10 @@ static int wm8731_probe(struct snd_soc_codec *codec)
struct wm8731_priv *wm8731 = snd_soc_codec_get_drvdata(codec);
int ret = 0, i;
- codec->control_data = wm8731->regmap;
- 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(wm8731->supplies); i++)
wm8731->supplies[i].supply = wm8731_supply_names[i];
- ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8731->supplies),
+ ret = devm_regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8731->supplies),
wm8731->supplies);
if (ret != 0) {
dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
@@ -550,7 +597,7 @@ static int wm8731_probe(struct snd_soc_codec *codec)
wm8731->supplies);
if (ret != 0) {
dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
- goto err_regulator_get;
+ return ret;
}
ret = wm8731_reset(codec);
@@ -577,8 +624,6 @@ static int wm8731_probe(struct snd_soc_codec *codec)
err_regulator_enable:
regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
-err_regulator_get:
- regulator_bulk_free(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
return ret;
}
@@ -591,7 +636,6 @@ static int wm8731_remove(struct snd_soc_codec *codec)
wm8731_set_bias_level(codec, SND_SOC_BIAS_OFF);
regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
- regulator_bulk_free(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
return 0;
}
@@ -678,7 +722,7 @@ static struct spi_driver wm8731_spi_driver = {
};
#endif /* CONFIG_SPI_MASTER */
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+#if IS_ENABLED(CONFIG_I2C)
static int wm8731_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
@@ -737,7 +781,7 @@ static struct i2c_driver wm8731_i2c_driver = {
static int __init wm8731_modinit(void)
{
int ret = 0;
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+#if IS_ENABLED(CONFIG_I2C)
ret = i2c_add_driver(&wm8731_i2c_driver);
if (ret != 0) {
printk(KERN_ERR "Failed to register WM8731 I2C driver: %d\n",
@@ -757,7 +801,7 @@ module_init(wm8731_modinit);
static void __exit wm8731_exit(void)
{
-#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
+#if IS_ENABLED(CONFIG_I2C)
i2c_del_driver(&wm8731_i2c_driver);
#endif
#if defined(CONFIG_SPI_MASTER)