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-rw-r--r--sound/soc/codecs/wm2200.c9
-rw-r--r--sound/soc/codecs/wm5100.c7
-rw-r--r--sound/soc/codecs/wm8731.c34
-rw-r--r--sound/soc/codecs/wm8804-i2c.c1
-rw-r--r--sound/soc/codecs/wm8804-spi.c1
-rw-r--r--sound/soc/codecs/wm8804.c297
-rw-r--r--sound/soc/codecs/wm8804.h1
-rw-r--r--sound/soc/codecs/wm8996.c12
8 files changed, 227 insertions, 135 deletions
diff --git a/sound/soc/codecs/wm2200.c b/sound/soc/codecs/wm2200.c
index 15599845a660..5a9da28f4f33 100644
--- a/sound/soc/codecs/wm2200.c
+++ b/sound/soc/codecs/wm2200.c
@@ -1554,7 +1554,6 @@ static int wm2200_probe(struct snd_soc_codec *codec)
int ret;
wm2200->codec = codec;
- codec->dapm.bias_level = SND_SOC_BIAS_OFF;
ret = snd_soc_add_codec_controls(codec, wm_adsp1_fw_controls, 2);
if (ret != 0)
@@ -1942,6 +1941,7 @@ static int wm2200_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
struct wm2200_priv *wm2200 = snd_soc_codec_get_drvdata(codec);
struct _fll_div factors;
int ret, i, timeout;
+ unsigned long time_left;
if (!Fout) {
dev_dbg(codec->dev, "FLL disabled");
@@ -2021,9 +2021,10 @@ static int wm2200_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
/* Poll for the lock; will use the interrupt to exit quickly */
for (i = 0; i < timeout; i++) {
if (i2c->irq) {
- ret = wait_for_completion_timeout(&wm2200->fll_lock,
- msecs_to_jiffies(25));
- if (ret > 0)
+ time_left = wait_for_completion_timeout(
+ &wm2200->fll_lock,
+ msecs_to_jiffies(25));
+ if (time_left > 0)
break;
} else {
msleep(1);
diff --git a/sound/soc/codecs/wm5100.c b/sound/soc/codecs/wm5100.c
index ea09db585aa1..96740379b711 100644
--- a/sound/soc/codecs/wm5100.c
+++ b/sound/soc/codecs/wm5100.c
@@ -1762,6 +1762,7 @@ static int wm5100_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
struct _fll_div factors;
struct wm5100_fll *fll;
int ret, base, lock, i, timeout;
+ unsigned long time_left;
switch (fll_id) {
case WM5100_FLL1:
@@ -1842,9 +1843,9 @@ static int wm5100_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
/* Poll for the lock; will use interrupt when we can test */
for (i = 0; i < timeout; i++) {
if (i2c->irq) {
- ret = wait_for_completion_timeout(&fll->lock,
- msecs_to_jiffies(25));
- if (ret > 0)
+ time_left = wait_for_completion_timeout(&fll->lock,
+ msecs_to_jiffies(25));
+ if (time_left > 0)
break;
} else {
msleep(1);
diff --git a/sound/soc/codecs/wm8731.c b/sound/soc/codecs/wm8731.c
index c6d10533e2bd..2245b6a32f3d 100644
--- a/sound/soc/codecs/wm8731.c
+++ b/sound/soc/codecs/wm8731.c
@@ -25,6 +25,7 @@
#include <linux/spi/spi.h>
#include <linux/of_device.h>
#include <linux/mutex.h>
+#include <linux/clk.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@@ -45,6 +46,7 @@ static const char *wm8731_supply_names[WM8731_NUM_SUPPLIES] = {
/* codec private data */
struct wm8731_priv {
struct regmap *regmap;
+ struct clk *mclk;
struct regulator_bulk_data supplies[WM8731_NUM_SUPPLIES];
const struct snd_pcm_hw_constraint_list *constraints;
unsigned int sysclk;
@@ -390,6 +392,8 @@ static int wm8731_set_dai_sysclk(struct snd_soc_dai *codec_dai,
switch (clk_id) {
case WM8731_SYSCLK_XTAL:
case WM8731_SYSCLK_MCLK:
+ if (wm8731->mclk && clk_set_rate(wm8731->mclk, freq))
+ return -EINVAL;
wm8731->sysclk_type = clk_id;
break;
default:
@@ -491,6 +495,8 @@ static int wm8731_set_bias_level(struct snd_soc_codec *codec,
switch (level) {
case SND_SOC_BIAS_ON:
+ if (wm8731->mclk)
+ clk_prepare_enable(wm8731->mclk);
break;
case SND_SOC_BIAS_PREPARE:
break;
@@ -509,6 +515,8 @@ static int wm8731_set_bias_level(struct snd_soc_codec *codec,
snd_soc_write(codec, WM8731_PWR, reg | 0x0040);
break;
case SND_SOC_BIAS_OFF:
+ if (wm8731->mclk)
+ clk_disable_unprepare(wm8731->mclk);
snd_soc_write(codec, WM8731_PWR, 0xffff);
regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies),
wm8731->supplies);
@@ -667,6 +675,19 @@ static int wm8731_spi_probe(struct spi_device *spi)
if (wm8731 == NULL)
return -ENOMEM;
+ wm8731->mclk = devm_clk_get(&spi->dev, "mclk");
+ if (IS_ERR(wm8731->mclk)) {
+ ret = PTR_ERR(wm8731->mclk);
+ if (ret == -ENOENT) {
+ wm8731->mclk = NULL;
+ dev_warn(&spi->dev, "Assuming static MCLK\n");
+ } else {
+ dev_err(&spi->dev, "Failed to get MCLK: %d\n",
+ ret);
+ return ret;
+ }
+ }
+
mutex_init(&wm8731->lock);
wm8731->regmap = devm_regmap_init_spi(spi, &wm8731_regmap);
@@ -718,6 +739,19 @@ static int wm8731_i2c_probe(struct i2c_client *i2c,
if (wm8731 == NULL)
return -ENOMEM;
+ wm8731->mclk = devm_clk_get(&i2c->dev, "mclk");
+ if (IS_ERR(wm8731->mclk)) {
+ ret = PTR_ERR(wm8731->mclk);
+ if (ret == -ENOENT) {
+ wm8731->mclk = NULL;
+ dev_warn(&i2c->dev, "Assuming static MCLK\n");
+ } else {
+ dev_err(&i2c->dev, "Failed to get MCLK: %d\n",
+ ret);
+ return ret;
+ }
+ }
+
mutex_init(&wm8731->lock);
wm8731->regmap = devm_regmap_init_i2c(i2c, &wm8731_regmap);
diff --git a/sound/soc/codecs/wm8804-i2c.c b/sound/soc/codecs/wm8804-i2c.c
index 5bd4af2b4059..6596f5f3a0c3 100644
--- a/sound/soc/codecs/wm8804-i2c.c
+++ b/sound/soc/codecs/wm8804-i2c.c
@@ -50,6 +50,7 @@ static struct i2c_driver wm8804_i2c_driver = {
.driver = {
.name = "wm8804",
.owner = THIS_MODULE,
+ .pm = &wm8804_pm,
.of_match_table = wm8804_of_match,
},
.probe = wm8804_i2c_probe,
diff --git a/sound/soc/codecs/wm8804-spi.c b/sound/soc/codecs/wm8804-spi.c
index 287e11e90794..407a3cf391e5 100644
--- a/sound/soc/codecs/wm8804-spi.c
+++ b/sound/soc/codecs/wm8804-spi.c
@@ -43,6 +43,7 @@ static struct spi_driver wm8804_spi_driver = {
.driver = {
.name = "wm8804",
.owner = THIS_MODULE,
+ .pm = &wm8804_pm,
.of_match_table = wm8804_of_match,
},
.probe = wm8804_spi_probe,
diff --git a/sound/soc/codecs/wm8804.c b/sound/soc/codecs/wm8804.c
index 1bd4ace29594..1e403f67cf16 100644
--- a/sound/soc/codecs/wm8804.c
+++ b/sound/soc/codecs/wm8804.c
@@ -13,8 +13,10 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
+#include <linux/gpio/consumer.h>
#include <linux/delay.h>
#include <linux/pm.h>
+#include <linux/pm_runtime.h>
#include <linux/of_device.h>
#include <linux/regulator/consumer.h>
#include <linux/slab.h>
@@ -24,6 +26,7 @@
#include <sound/soc.h>
#include <sound/initval.h>
#include <sound/tlv.h>
+#include <sound/soc-dapm.h>
#include "wm8804.h"
@@ -57,18 +60,23 @@ static const struct reg_default wm8804_reg_defaults[] = {
};
struct wm8804_priv {
+ struct device *dev;
struct regmap *regmap;
struct regulator_bulk_data supplies[WM8804_NUM_SUPPLIES];
struct notifier_block disable_nb[WM8804_NUM_SUPPLIES];
int mclk_div;
-};
-static int txsrc_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol);
+ struct gpio_desc *reset;
+
+ int aif_pwr;
+};
static int txsrc_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
+static int wm8804_aif_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event);
+
/*
* We can't use the same notifier block for more than one supply and
* there's no way I can see to get from a callback to the caller
@@ -90,26 +98,62 @@ WM8804_REGULATOR_EVENT(0)
WM8804_REGULATOR_EVENT(1)
static const char *txsrc_text[] = { "S/PDIF RX", "AIF" };
-static SOC_ENUM_SINGLE_EXT_DECL(txsrc, txsrc_text);
+static const SOC_ENUM_SINGLE_DECL(txsrc, WM8804_SPDTX4, 6, txsrc_text);
-static const struct snd_kcontrol_new wm8804_snd_controls[] = {
- SOC_ENUM_EXT("Input Source", txsrc, txsrc_get, txsrc_put),
- SOC_SINGLE("TX Playback Switch", WM8804_PWRDN, 2, 1, 1),
- SOC_SINGLE("AIF Playback Switch", WM8804_PWRDN, 4, 1, 1)
+static const struct snd_kcontrol_new wm8804_tx_source_mux[] = {
+ SOC_DAPM_ENUM_EXT("Input Source", txsrc,
+ snd_soc_dapm_get_enum_double, txsrc_put),
};
-static int txsrc_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *ucontrol)
-{
- struct snd_soc_codec *codec;
- unsigned int src;
+static const struct snd_soc_dapm_widget wm8804_dapm_widgets[] = {
+SND_SOC_DAPM_OUTPUT("SPDIF Out"),
+SND_SOC_DAPM_INPUT("SPDIF In"),
+
+SND_SOC_DAPM_PGA("SPDIFTX", WM8804_PWRDN, 2, 1, NULL, 0),
+SND_SOC_DAPM_PGA("SPDIFRX", WM8804_PWRDN, 1, 1, NULL, 0),
+
+SND_SOC_DAPM_MUX("Tx Source", SND_SOC_NOPM, 6, 0, wm8804_tx_source_mux),
+
+SND_SOC_DAPM_AIF_OUT_E("AIFTX", NULL, 0, SND_SOC_NOPM, 0, 0, wm8804_aif_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+SND_SOC_DAPM_AIF_IN_E("AIFRX", NULL, 0, SND_SOC_NOPM, 0, 0, wm8804_aif_event,
+ SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
+};
+
+static const struct snd_soc_dapm_route wm8804_dapm_routes[] = {
+ { "AIFRX", NULL, "Playback" },
+ { "Tx Source", "AIF", "AIFRX" },
+
+ { "SPDIFRX", NULL, "SPDIF In" },
+ { "Tx Source", "S/PDIF RX", "SPDIFRX" },
- codec = snd_soc_kcontrol_codec(kcontrol);
- src = snd_soc_read(codec, WM8804_SPDTX4);
- if (src & 0x40)
- ucontrol->value.integer.value[0] = 1;
- else
- ucontrol->value.integer.value[0] = 0;
+ { "SPDIFTX", NULL, "Tx Source" },
+ { "SPDIF Out", NULL, "SPDIFTX" },
+
+ { "AIFTX", NULL, "SPDIFRX" },
+ { "Capture", NULL, "AIFTX" },
+};
+
+static int wm8804_aif_event(struct snd_soc_dapm_widget *w,
+ struct snd_kcontrol *kcontrol, int event)
+{
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
+ struct wm8804_priv *wm8804 = snd_soc_codec_get_drvdata(codec);
+
+ switch (event) {
+ case SND_SOC_DAPM_POST_PMU:
+ /* power up the aif */
+ if (!wm8804->aif_pwr)
+ snd_soc_update_bits(codec, WM8804_PWRDN, 0x10, 0x0);
+ wm8804->aif_pwr++;
+ break;
+ case SND_SOC_DAPM_POST_PMD:
+ /* power down only both paths are disabled */
+ wm8804->aif_pwr--;
+ if (!wm8804->aif_pwr)
+ snd_soc_update_bits(codec, WM8804_PWRDN, 0x10, 0x10);
+ break;
+ }
return 0;
}
@@ -117,48 +161,33 @@ static int txsrc_get(struct snd_kcontrol *kcontrol,
static int txsrc_put(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
- struct snd_soc_codec *codec;
- unsigned int src, txpwr;
+ struct snd_soc_codec *codec = snd_soc_dapm_kcontrol_codec(kcontrol);
+ struct snd_soc_dapm_context *dapm = &codec->dapm;
+ struct soc_enum *e = (struct soc_enum *)kcontrol->private_value;
+ unsigned int val = ucontrol->value.enumerated.item[0] << e->shift_l;
+ unsigned int mask = 1 << e->shift_l;
+ unsigned int txpwr;
+
+ if (val != 0 && val != mask)
+ return -EINVAL;
- codec = snd_soc_kcontrol_codec(kcontrol);
+ snd_soc_dapm_mutex_lock(dapm);
- if (ucontrol->value.integer.value[0] != 0
- && ucontrol->value.integer.value[0] != 1)
- return -EINVAL;
+ if (snd_soc_test_bits(codec, e->reg, mask, val)) {
+ /* save the current power state of the transmitter */
+ txpwr = snd_soc_read(codec, WM8804_PWRDN) & 0x4;
- src = snd_soc_read(codec, WM8804_SPDTX4);
- switch ((src & 0x40) >> 6) {
- case 0:
- if (!ucontrol->value.integer.value[0])
- return 0;
- break;
- case 1:
- if (ucontrol->value.integer.value[1])
- return 0;
- break;
- }
+ /* power down the transmitter */
+ snd_soc_update_bits(codec, WM8804_PWRDN, 0x4, 0x4);
- /* save the current power state of the transmitter */
- txpwr = snd_soc_read(codec, WM8804_PWRDN) & 0x4;
- /* power down the transmitter */
- snd_soc_update_bits(codec, WM8804_PWRDN, 0x4, 0x4);
- /* set the tx source */
- snd_soc_update_bits(codec, WM8804_SPDTX4, 0x40,
- ucontrol->value.integer.value[0] << 6);
-
- if (ucontrol->value.integer.value[0]) {
- /* power down the receiver */
- snd_soc_update_bits(codec, WM8804_PWRDN, 0x2, 0x2);
- /* power up the AIF */
- snd_soc_update_bits(codec, WM8804_PWRDN, 0x10, 0);
- } else {
- /* don't power down the AIF -- may be used as an output */
- /* power up the receiver */
- snd_soc_update_bits(codec, WM8804_PWRDN, 0x2, 0);
+ /* set the tx source */
+ snd_soc_update_bits(codec, e->reg, mask, val);
+
+ /* restore the transmitter's configuration */
+ snd_soc_update_bits(codec, WM8804_PWRDN, 0x4, txpwr);
}
- /* restore the transmitter's configuration */
- snd_soc_update_bits(codec, WM8804_PWRDN, 0x4, txpwr);
+ snd_soc_dapm_mutex_unlock(dapm);
return 0;
}
@@ -182,7 +211,7 @@ static bool wm8804_volatile(struct device *dev, unsigned int reg)
}
}
-static int wm8804_reset(struct wm8804_priv *wm8804)
+static int wm8804_soft_reset(struct wm8804_priv *wm8804)
{
return regmap_write(wm8804->regmap, WM8804_RST_DEVID1, 0x0);
}
@@ -376,19 +405,19 @@ static int wm8804_set_pll(struct snd_soc_dai *dai, int pll_id,
int source, unsigned int freq_in,
unsigned int freq_out)
{
- struct snd_soc_codec *codec;
+ struct snd_soc_codec *codec = dai->codec;
+ struct wm8804_priv *wm8804 = snd_soc_codec_get_drvdata(codec);
+ bool change;
- codec = dai->codec;
if (!freq_in || !freq_out) {
/* disable the PLL */
- snd_soc_update_bits(codec, WM8804_PWRDN, 0x1, 0x1);
- return 0;
+ regmap_update_bits_check(wm8804->regmap, WM8804_PWRDN,
+ 0x1, 0x1, &change);
+ if (change)
+ pm_runtime_put(wm8804->dev);
} else {
int ret;
struct pll_div pll_div;
- struct wm8804_priv *wm8804;
-
- wm8804 = snd_soc_codec_get_drvdata(codec);
ret = pll_factors(&pll_div, freq_out, freq_in,
wm8804->mclk_div);
@@ -396,7 +425,10 @@ static int wm8804_set_pll(struct snd_soc_dai *dai, int pll_id,
return ret;
/* power down the PLL before reprogramming it */
- snd_soc_update_bits(codec, WM8804_PWRDN, 0x1, 0x1);
+ regmap_update_bits_check(wm8804->regmap, WM8804_PWRDN,
+ 0x1, 0x1, &change);
+ if (!change)
+ pm_runtime_get_sync(wm8804->dev);
/* set PLLN and PRESCALE */
snd_soc_update_bits(codec, WM8804_PLL4, 0xf | 0x10,
@@ -474,47 +506,6 @@ static int wm8804_set_clkdiv(struct snd_soc_dai *dai,
return 0;
}
-static int wm8804_set_bias_level(struct snd_soc_codec *codec,
- enum snd_soc_bias_level level)
-{
- int ret;
- struct wm8804_priv *wm8804;
-
- wm8804 = snd_soc_codec_get_drvdata(codec);
- switch (level) {
- case SND_SOC_BIAS_ON:
- break;
- case SND_SOC_BIAS_PREPARE:
- /* power up the OSC and the PLL */
- snd_soc_update_bits(codec, WM8804_PWRDN, 0x9, 0);
- break;
- case SND_SOC_BIAS_STANDBY:
- if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
- ret = regulator_bulk_enable(ARRAY_SIZE(wm8804->supplies),
- wm8804->supplies);
- if (ret) {
- dev_err(codec->dev,
- "Failed to enable supplies: %d\n",
- ret);
- return ret;
- }
- regcache_sync(wm8804->regmap);
- }
- /* power down the OSC and the PLL */
- snd_soc_update_bits(codec, WM8804_PWRDN, 0x9, 0x9);
- break;
- case SND_SOC_BIAS_OFF:
- /* power down the OSC and the PLL */
- snd_soc_update_bits(codec, WM8804_PWRDN, 0x9, 0x9);
- regulator_bulk_disable(ARRAY_SIZE(wm8804->supplies),
- wm8804->supplies);
- break;
- }
-
- codec->dapm.bias_level = level;
- return 0;
-}
-
static const struct snd_soc_dai_ops wm8804_dai_ops = {
.hw_params = wm8804_hw_params,
.set_fmt = wm8804_set_fmt,
@@ -552,11 +543,12 @@ static struct snd_soc_dai_driver wm8804_dai = {
};
static const struct snd_soc_codec_driver soc_codec_dev_wm8804 = {
- .set_bias_level = wm8804_set_bias_level,
.idle_bias_off = true,
- .controls = wm8804_snd_controls,
- .num_controls = ARRAY_SIZE(wm8804_snd_controls),
+ .dapm_widgets = wm8804_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(wm8804_dapm_widgets),
+ .dapm_routes = wm8804_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(wm8804_dapm_routes),
};
const struct regmap_config wm8804_regmap_config = {
@@ -584,8 +576,17 @@ int wm8804_probe(struct device *dev, struct regmap *regmap)
dev_set_drvdata(dev, wm8804);
+ wm8804->dev = dev;
wm8804->regmap = regmap;
+ wm8804->reset = devm_gpiod_get_optional(dev, "wlf,reset",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(wm8804->reset)) {
+ ret = PTR_ERR(wm8804->reset);
+ dev_err(dev, "Failed to get reset line: %d\n", ret);
+ return ret;
+ }
+
for (i = 0; i < ARRAY_SIZE(wm8804->supplies); i++)
wm8804->supplies[i].supply = wm8804_supply_names[i];
@@ -601,12 +602,15 @@ int wm8804_probe(struct device *dev, struct regmap *regmap)
/* This should really be moved into the regulator core */
for (i = 0; i < ARRAY_SIZE(wm8804->supplies); i++) {
- ret = regulator_register_notifier(wm8804->supplies[i].consumer,
- &wm8804->disable_nb[i]);
+ struct regulator *regulator = wm8804->supplies[i].consumer;
+
+ ret = devm_regulator_register_notifier(regulator,
+ &wm8804->disable_nb[i]);
if (ret != 0) {
dev_err(dev,
"Failed to register regulator notifier: %d\n",
ret);
+ return ret;
}
}
@@ -614,9 +618,12 @@ int wm8804_probe(struct device *dev, struct regmap *regmap)
wm8804->supplies);
if (ret) {
dev_err(dev, "Failed to enable supplies: %d\n", ret);
- goto err_reg_enable;
+ return ret;
}
+ if (wm8804->reset)
+ gpiod_set_value_cansleep(wm8804->reset, 1);
+
ret = regmap_read(regmap, WM8804_RST_DEVID1, &id1);
if (ret < 0) {
dev_err(dev, "Failed to read device ID: %d\n", ret);
@@ -645,14 +652,26 @@ int wm8804_probe(struct device *dev, struct regmap *regmap)
}
dev_info(dev, "revision %c\n", id1 + 'A');
- ret = wm8804_reset(wm8804);
+ if (!wm8804->reset) {
+ ret = wm8804_soft_reset(wm8804);
+ if (ret < 0) {
+ dev_err(dev, "Failed to issue reset: %d\n", ret);
+ goto err_reg_enable;
+ }
+ }
+
+ ret = snd_soc_register_codec(dev, &soc_codec_dev_wm8804,
+ &wm8804_dai, 1);
if (ret < 0) {
- dev_err(dev, "Failed to issue reset: %d\n", ret);
+ dev_err(dev, "Failed to register CODEC: %d\n", ret);
goto err_reg_enable;
}
- return snd_soc_register_codec(dev, &soc_codec_dev_wm8804,
- &wm8804_dai, 1);
+ pm_runtime_set_active(dev);
+ pm_runtime_enable(dev);
+ pm_runtime_idle(dev);
+
+ return 0;
err_reg_enable:
regulator_bulk_disable(ARRAY_SIZE(wm8804->supplies), wm8804->supplies);
@@ -662,18 +681,50 @@ EXPORT_SYMBOL_GPL(wm8804_probe);
void wm8804_remove(struct device *dev)
{
- struct wm8804_priv *wm8804;
- int i;
+ pm_runtime_disable(dev);
+ snd_soc_unregister_codec(dev);
+}
+EXPORT_SYMBOL_GPL(wm8804_remove);
- wm8804 = dev_get_drvdata(dev);
+#if IS_ENABLED(CONFIG_PM)
+static int wm8804_runtime_resume(struct device *dev)
+{
+ struct wm8804_priv *wm8804 = dev_get_drvdata(dev);
+ int ret;
- for (i = 0; i < ARRAY_SIZE(wm8804->supplies); ++i)
- regulator_unregister_notifier(wm8804->supplies[i].consumer,
- &wm8804->disable_nb[i]);
+ ret = regulator_bulk_enable(ARRAY_SIZE(wm8804->supplies),
+ wm8804->supplies);
+ if (ret) {
+ dev_err(wm8804->dev, "Failed to enable supplies: %d\n", ret);
+ return ret;
+ }
- snd_soc_unregister_codec(dev);
+ regcache_sync(wm8804->regmap);
+
+ /* Power up OSCCLK */
+ regmap_update_bits(wm8804->regmap, WM8804_PWRDN, 0x8, 0x0);
+
+ return 0;
}
-EXPORT_SYMBOL_GPL(wm8804_remove);
+
+static int wm8804_runtime_suspend(struct device *dev)
+{
+ struct wm8804_priv *wm8804 = dev_get_drvdata(dev);
+
+ /* Power down OSCCLK */
+ regmap_update_bits(wm8804->regmap, WM8804_PWRDN, 0x8, 0x8);
+
+ regulator_bulk_disable(ARRAY_SIZE(wm8804->supplies),
+ wm8804->supplies);
+
+ return 0;
+}
+#endif
+
+const struct dev_pm_ops wm8804_pm = {
+ SET_RUNTIME_PM_OPS(wm8804_runtime_suspend, wm8804_runtime_resume, NULL)
+};
+EXPORT_SYMBOL_GPL(wm8804_pm);
MODULE_DESCRIPTION("ASoC WM8804 driver");
MODULE_AUTHOR("Dimitris Papastamos <dp@opensource.wolfsonmicro.com>");
diff --git a/sound/soc/codecs/wm8804.h b/sound/soc/codecs/wm8804.h
index a39a2563dc67..aa72fa66c932 100644
--- a/sound/soc/codecs/wm8804.h
+++ b/sound/soc/codecs/wm8804.h
@@ -65,6 +65,7 @@
#define WM8804_MCLKDIV_128FS 1
extern const struct regmap_config wm8804_regmap_config;
+extern const struct dev_pm_ops wm8804_pm;
int wm8804_probe(struct device *dev, struct regmap *regmap);
void wm8804_remove(struct device *dev);
diff --git a/sound/soc/codecs/wm8996.c b/sound/soc/codecs/wm8996.c
index dc92d5e4e942..308748a022c5 100644
--- a/sound/soc/codecs/wm8996.c
+++ b/sound/soc/codecs/wm8996.c
@@ -2009,7 +2009,7 @@ static int wm8996_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
struct wm8996_priv *wm8996 = snd_soc_codec_get_drvdata(codec);
struct i2c_client *i2c = to_i2c_client(codec->dev);
struct _fll_div fll_div;
- unsigned long timeout;
+ unsigned long timeout, time_left;
int ret, reg, retry;
/* Any change? */
@@ -2110,13 +2110,15 @@ static int wm8996_set_fll(struct snd_soc_codec *codec, int fll_id, int source,
if (i2c->irq)
timeout *= 10;
else
- timeout /= 2;
+ /* ensure timeout of atleast 1 jiffies */
+ timeout = timeout/2 ? : 1;
for (retry = 0; retry < 10; retry++) {
- ret = wait_for_completion_timeout(&wm8996->fll_lock,
- timeout);
- if (ret != 0) {
+ time_left = wait_for_completion_timeout(&wm8996->fll_lock,
+ timeout);
+ if (time_left != 0) {
WARN_ON(!i2c->irq);
+ ret = 1;
break;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 00:00:45 +0100