/* DAPM context */
struct snd_soc_dapm_context {
enum snd_soc_bias_level bias_level;
- enum snd_soc_bias_level suspend_bias_level;
- struct delayed_work delayed_work;
unsigned int idle_bias_off:1; /* Use BIAS_OFF instead of STANDBY */
/* Go to BIAS_OFF in suspend if the DAPM context is idle */
unsigned int suspend_bias_off:1;
struct regulator_bulk_data supplies[ARRAY_SIZE(supply_names)];
int fll_freq_out;
int fll_freq_in;
+ struct delayed_work pga_work;
};
/*
* Ramp OUT1 PGA volume to minimise pops at stream startup and shutdown.
*/
-static inline int wm8350_out1_ramp_step(struct snd_soc_codec *codec)
+static inline int wm8350_out1_ramp_step(struct wm8350_data *wm8350_data)
{
- struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
struct wm8350_output *out1 = &wm8350_data->out1;
struct wm8350 *wm8350 = wm8350_data->wm8350;
int left_complete = 0, right_complete = 0;
/*
* Ramp OUT2 PGA volume to minimise pops at stream startup and shutdown.
*/
-static inline int wm8350_out2_ramp_step(struct snd_soc_codec *codec)
+static inline int wm8350_out2_ramp_step(struct wm8350_data *wm8350_data)
{
- struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
struct wm8350_output *out2 = &wm8350_data->out2;
struct wm8350 *wm8350 = wm8350_data->wm8350;
int left_complete = 0, right_complete = 0;
*/
static void wm8350_pga_work(struct work_struct *work)
{
- struct snd_soc_dapm_context *dapm =
- container_of(work, struct snd_soc_dapm_context, delayed_work.work);
- struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
- struct wm8350_data *wm8350_data = snd_soc_codec_get_drvdata(codec);
+ struct wm8350_data *wm8350_data =
+ container_of(work, struct wm8350_data, pga_work.work);
struct wm8350_output *out1 = &wm8350_data->out1,
*out2 = &wm8350_data->out2;
int i, out1_complete, out2_complete;
for (i = 0; i <= 63; i++) {
out1_complete = 1, out2_complete = 1;
if (out1->ramp != WM8350_RAMP_NONE)
- out1_complete = wm8350_out1_ramp_step(codec);
+ out1_complete = wm8350_out1_ramp_step(wm8350_data);
if (out2->ramp != WM8350_RAMP_NONE)
- out2_complete = wm8350_out2_ramp_step(codec);
+ out2_complete = wm8350_out2_ramp_step(wm8350_data);
/* ramp finished ? */
if (out1_complete && out2_complete)
out->ramp = WM8350_RAMP_UP;
out->active = 1;
- schedule_delayed_work(&codec->dapm.delayed_work,
+ schedule_delayed_work(&wm8350_data->pga_work,
msecs_to_jiffies(1));
break;
out->ramp = WM8350_RAMP_DOWN;
out->active = 0;
- schedule_delayed_work(&codec->dapm.delayed_work,
+ schedule_delayed_work(&wm8350_data->pga_work,
msecs_to_jiffies(1));
break;
}
/* Put the codec into reset if it wasn't already */
wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
- INIT_DELAYED_WORK(&codec->dapm.delayed_work, wm8350_pga_work);
+ INIT_DELAYED_WORK(&priv->pga_work, wm8350_pga_work);
INIT_DELAYED_WORK(&priv->hpl.work, wm8350_hpl_work);
INIT_DELAYED_WORK(&priv->hpr.work, wm8350_hpr_work);
/* if there was any work waiting then we run it now and
* wait for its completion */
- flush_delayed_work(&codec->dapm.delayed_work);
+ flush_delayed_work(&priv->pga_work);
wm8350_clear_bits(wm8350, WM8350_POWER_MGMT_5, WM8350_CODEC_ENA);
unsigned int hifi_fmt;
int dai_func;
+ struct delayed_work charge_work;
};
#define wm8753_reset(c) snd_soc_write(c, WM8753_RESET, 0)
return 0;
}
+static void wm8753_charge_work(struct work_struct *work)
+{
+ struct wm8753_priv *wm8753 =
+ container_of(work, struct wm8753_priv, charge_work.work);
+
+ /* Set to 500k */
+ regmap_update_bits(wm8753->regmap, WM8753_PWR1, 0x0180, 0x0100);
+}
+
static int wm8753_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
+ struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
u16 pwr_reg = snd_soc_read(codec, WM8753_PWR1) & 0xfe3e;
switch (level) {
snd_soc_write(codec, WM8753_PWR1, pwr_reg | 0x00c0);
break;
case SND_SOC_BIAS_PREPARE:
- /* set vmid to 5k for quick power up */
- snd_soc_write(codec, WM8753_PWR1, pwr_reg | 0x01c1);
+ /* Wait until fully charged */
+ flush_delayed_work(&wm8753->charge_work);
break;
case SND_SOC_BIAS_STANDBY:
- /* mute dac and set vmid to 500k, enable VREF */
- snd_soc_write(codec, WM8753_PWR1, pwr_reg | 0x0141);
+ if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
+ /* set vmid to 5k for quick power up */
+ snd_soc_write(codec, WM8753_PWR1, pwr_reg | 0x01c1);
+ schedule_delayed_work(&wm8753->charge_work,
+ msecs_to_jiffies(caps_charge));
+ } else {
+ /* mute dac and set vmid to 500k, enable VREF */
+ snd_soc_write(codec, WM8753_PWR1, pwr_reg | 0x0141);
+ }
break;
case SND_SOC_BIAS_OFF:
+ cancel_delayed_work_sync(&wm8753->charge_work);
snd_soc_write(codec, WM8753_PWR1, 0x0001);
break;
}
},
};
-static void wm8753_work(struct work_struct *work)
-{
- struct snd_soc_dapm_context *dapm =
- container_of(work, struct snd_soc_dapm_context,
- delayed_work.work);
- struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
- wm8753_set_bias_level(codec, dapm->bias_level);
-}
-
-static int wm8753_suspend(struct snd_soc_codec *codec)
-{
- wm8753_set_bias_level(codec, SND_SOC_BIAS_OFF);
- return 0;
-}
-
static int wm8753_resume(struct snd_soc_codec *codec)
{
struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
regcache_sync(wm8753->regmap);
- wm8753_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
- /* charge wm8753 caps */
- if (codec->dapm.suspend_bias_level == SND_SOC_BIAS_ON) {
- wm8753_set_bias_level(codec, SND_SOC_BIAS_PREPARE);
- codec->dapm.bias_level = SND_SOC_BIAS_ON;
- queue_delayed_work(system_power_efficient_wq,
- &codec->dapm.delayed_work,
- msecs_to_jiffies(caps_charge));
- }
-
return 0;
}
struct wm8753_priv *wm8753 = snd_soc_codec_get_drvdata(codec);
int ret;
- INIT_DELAYED_WORK(&codec->dapm.delayed_work, wm8753_work);
+ INIT_DELAYED_WORK(&wm8753->charge_work, wm8753_charge_work);
ret = wm8753_reset(codec);
if (ret < 0) {
return ret;
}
- wm8753_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
wm8753->dai_func = 0;
- /* charge output caps */
- wm8753_set_bias_level(codec, SND_SOC_BIAS_PREPARE);
- schedule_delayed_work(&codec->dapm.delayed_work,
- msecs_to_jiffies(caps_charge));
-
/* set the update bits */
snd_soc_update_bits(codec, WM8753_LDAC, 0x0100, 0x0100);
snd_soc_update_bits(codec, WM8753_RDAC, 0x0100, 0x0100);
return 0;
}
-/* power down chip */
-static int wm8753_remove(struct snd_soc_codec *codec)
-{
- flush_delayed_work(&codec->dapm.delayed_work);
- wm8753_set_bias_level(codec, SND_SOC_BIAS_OFF);
-
- return 0;
-}
-
static struct snd_soc_codec_driver soc_codec_dev_wm8753 = {
.probe = wm8753_probe,
- .remove = wm8753_remove,
- .suspend = wm8753_suspend,
.resume = wm8753_resume,
.set_bias_level = wm8753_set_bias_level,
+ .suspend_bias_off = true,
.controls = wm8753_snd_controls,
.num_controls = ARRAY_SIZE(wm8753_snd_controls),
#define WM8971_REG_COUNT 43
-static struct workqueue_struct *wm8971_workq = NULL;
-
/* codec private data */
struct wm8971_priv {
unsigned int sysclk;
+ struct delayed_work charge_work;
+ struct regmap *regmap;
};
/*
return 0;
}
+static void wm8971_charge_work(struct work_struct *work)
+{
+ struct wm8971_priv *wm8971 =
+ container_of(work, struct wm8971_priv, charge_work.work);
+
+ /* Set to 500k */
+ regmap_update_bits(wm8971->regmap, WM8971_PWR1, 0x0180, 0x0100);
+}
+
static int wm8971_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
+ struct wm8971_priv *wm8971 = snd_soc_codec_get_drvdata(codec);
u16 pwr_reg = snd_soc_read(codec, WM8971_PWR1) & 0xfe3e;
switch (level) {
snd_soc_write(codec, WM8971_PWR1, pwr_reg | 0x00c1);
break;
case SND_SOC_BIAS_PREPARE:
+ /* Wait until fully charged */
+ flush_delayed_work(&wm8971->charge_work);
break;
case SND_SOC_BIAS_STANDBY:
- if (codec->dapm.bias_level == SND_SOC_BIAS_OFF)
+ if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
snd_soc_cache_sync(codec);
+ /* charge output caps - set vmid to 5k for quick power up */
+ snd_soc_write(codec, WM8971_PWR1, pwr_reg | 0x01c0);
+ queue_delayed_work(system_power_efficient_wq,
+ &wm8971->charge_work, msecs_to_jiffies(1000));
+ } else {
+ /* mute dac and set vmid to 500k, enable VREF */
+ snd_soc_write(codec, WM8971_PWR1, pwr_reg | 0x0140);
+ }
- /* mute dac and set vmid to 500k, enable VREF */
- snd_soc_write(codec, WM8971_PWR1, pwr_reg | 0x0140);
break;
case SND_SOC_BIAS_OFF:
+ cancel_delayed_work_sync(&wm8971->charge_work);
snd_soc_write(codec, WM8971_PWR1, 0x0001);
break;
}
.ops = &wm8971_dai_ops,
};
-static void wm8971_work(struct work_struct *work)
-{
- struct snd_soc_dapm_context *dapm =
- container_of(work, struct snd_soc_dapm_context,
- delayed_work.work);
- struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
- wm8971_set_bias_level(codec, codec->dapm.bias_level);
-}
-
-static int wm8971_suspend(struct snd_soc_codec *codec)
-{
- wm8971_set_bias_level(codec, SND_SOC_BIAS_OFF);
- return 0;
-}
-
-static int wm8971_resume(struct snd_soc_codec *codec)
-{
- u16 reg;
-
- wm8971_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
- /* charge wm8971 caps */
- if (codec->dapm.suspend_bias_level == SND_SOC_BIAS_ON) {
- reg = snd_soc_read(codec, WM8971_PWR1) & 0xfe3e;
- snd_soc_write(codec, WM8971_PWR1, reg | 0x01c0);
- codec->dapm.bias_level = SND_SOC_BIAS_ON;
- queue_delayed_work(wm8971_workq, &codec->dapm.delayed_work,
- msecs_to_jiffies(1000));
- }
-
- return 0;
-}
-
static int wm8971_probe(struct snd_soc_codec *codec)
{
- int ret = 0;
- u16 reg;
+ struct wm8971_priv *wm8971 = snd_soc_codec_get_drvdata(codec);
- INIT_DELAYED_WORK(&codec->dapm.delayed_work, wm8971_work);
- wm8971_workq = create_workqueue("wm8971");
- if (wm8971_workq == NULL)
- return -ENOMEM;
+ INIT_DELAYED_WORK(&wm8971->charge_work, wm8971_charge_work);
wm8971_reset(codec);
- /* charge output caps - set vmid to 5k for quick power up */
- reg = snd_soc_read(codec, WM8971_PWR1) & 0xfe3e;
- snd_soc_write(codec, WM8971_PWR1, reg | 0x01c0);
- codec->dapm.bias_level = SND_SOC_BIAS_STANDBY;
- queue_delayed_work(wm8971_workq, &codec->dapm.delayed_work,
- msecs_to_jiffies(1000));
-
/* set the update bits */
snd_soc_update_bits(codec, WM8971_LDAC, 0x0100, 0x0100);
snd_soc_update_bits(codec, WM8971_RDAC, 0x0100, 0x0100);
snd_soc_update_bits(codec, WM8971_LINVOL, 0x0100, 0x0100);
snd_soc_update_bits(codec, WM8971_RINVOL, 0x0100, 0x0100);
- return ret;
-}
-
-
-/* power down chip */
-static int wm8971_remove(struct snd_soc_codec *codec)
-{
- wm8971_set_bias_level(codec, SND_SOC_BIAS_OFF);
-
- if (wm8971_workq)
- destroy_workqueue(wm8971_workq);
return 0;
}
static struct snd_soc_codec_driver soc_codec_dev_wm8971 = {
.probe = wm8971_probe,
- .remove = wm8971_remove,
- .suspend = wm8971_suspend,
- .resume = wm8971_resume,
.set_bias_level = wm8971_set_bias_level,
+ .suspend_bias_off = true,
.controls = wm8971_snd_controls,
.num_controls = ARRAY_SIZE(wm8971_snd_controls),
const struct i2c_device_id *id)
{
struct wm8971_priv *wm8971;
- struct regmap *regmap;
int ret;
wm8971 = devm_kzalloc(&i2c->dev, sizeof(struct wm8971_priv),
if (wm8971 == NULL)
return -ENOMEM;
- regmap = devm_regmap_init_i2c(i2c, &wm8971_regmap);
- if (IS_ERR(regmap))
- return PTR_ERR(regmap);
+ wm8971->regmap = devm_regmap_init_i2c(i2c, &wm8971_regmap);
+ if (IS_ERR(wm8971->regmap))
+ return PTR_ERR(wm8971->regmap);
i2c_set_clientdata(i2c, wm8971);
cpu_dai->driver->suspend(cpu_dai);
}
- /* close any waiting streams and save state */
- for (i = 0; i < card->num_rtd; i++) {
- struct snd_soc_dai **codec_dais = card->rtd[i].codec_dais;
+ /* close any waiting streams */
+ for (i = 0; i < card->num_rtd; i++)
flush_delayed_work(&card->rtd[i].delayed_work);
- for (j = 0; j < card->rtd[i].num_codecs; j++) {
- codec_dais[j]->codec->dapm.suspend_bias_level =
- codec_dais[j]->codec->dapm.bias_level;
- }
- }
for (i = 0; i < card->num_rtd; i++) {
projects / linux-2.6-block.git / commitdiff