static int wm8994_device_resume(struct device *dev)
{
struct wm8994 *wm8994 = dev_get_drvdata(dev);
int ret;
ret = regulator_bulk_enable(ARRAY_SIZE(wm8994_main_supplies),
wm8994->supplies);
if (ret != 0) {
dev_err(dev, "Failed to enable supplies: %d\n", ret);
return ret;
}
ret = wm8994_write(wm8994, WM8994_INTERRUPT_STATUS_1_MASK,
WM8994_NUM_IRQ_REGS * 2, &wm8994->irq_masks_cur);
if (ret < 0)
dev_err(dev, "Failed to restore interrupt masks: %d\n", ret);
ret = wm8994_write(wm8994, WM8994_LDO_1, WM8994_NUM_LDO_REGS * 2,
&wm8994->ldo_regs);
if (ret < 0)
dev_err(dev, "Failed to restore LDO registers: %d\n", ret);
ret = wm8994_write(wm8994, WM8994_GPIO_1, WM8994_NUM_GPIO_REGS * 2,
&wm8994->gpio_regs);
if (ret < 0)
dev_err(dev, "Failed to restore GPIO registers: %d\n", ret);
return 0;
}
static int wm8523_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
struct wm8523_priv *wm8523 = snd_soc_codec_get_drvdata(codec);
u16 *reg_cache = codec->reg_cache;
int ret, i;
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
/* Full power on */
snd_soc_update_bits(codec, WM8523_PSCTRL1,
WM8523_SYS_ENA_MASK, 3);
break;
case SND_SOC_BIAS_STANDBY:
if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
ret = regulator_bulk_enable(ARRAY_SIZE(wm8523->supplies),
wm8523->supplies);
if (ret != 0) {
dev_err(codec->dev,
"Failed to enable supplies: %d\n",
ret);
return ret;
}
/* Initial power up */
snd_soc_update_bits(codec, WM8523_PSCTRL1,
WM8523_SYS_ENA_MASK, 1);
/* Sync back default/cached values */
for (i = WM8523_AIF_CTRL1;
i < WM8523_MAX_REGISTER; i++)
snd_soc_write(codec, i, reg_cache[i]);
msleep(100);
}
/* Power up to mute */
snd_soc_update_bits(codec, WM8523_PSCTRL1,
WM8523_SYS_ENA_MASK, 2);
break;
case SND_SOC_BIAS_OFF:
/* The chip runs through the power down sequence for us. */
snd_soc_update_bits(codec, WM8523_PSCTRL1,
WM8523_SYS_ENA_MASK, 0);
msleep(100);
regulator_bulk_disable(ARRAY_SIZE(wm8523->supplies),
wm8523->supplies);
break;
}
codec->dapm.bias_level = level;
return 0;
}
static int wm8994_resume(struct device *dev)
{
struct wm8994 *wm8994 = dev_get_drvdata(dev);
int ret;
/* We may have lied to the PM core about suspending */
if (!wm8994->suspended)
return 0;
ret = regulator_bulk_enable(wm8994->num_supplies,
wm8994->supplies);
if (ret != 0) {
dev_err(dev, "Failed to enable supplies: %d\n", ret);
return ret;
}
ret = wm8994_write(wm8994, WM8994_INTERRUPT_STATUS_1_MASK,
WM8994_NUM_IRQ_REGS * 2, &wm8994->irq_masks_cur);
if (ret < 0)
dev_err(dev, "Failed to restore interrupt masks: %d\n", ret);
ret = wm8994_write(wm8994, WM8994_LDO_1, WM8994_NUM_LDO_REGS * 2,
&wm8994->ldo_regs);
if (ret < 0)
dev_err(dev, "Failed to restore LDO registers: %d\n", ret);
ret = wm8994_write(wm8994, WM8994_GPIO_1, WM8994_NUM_GPIO_REGS * 2,
&wm8994->gpio_regs);
if (ret < 0)
dev_err(dev, "Failed to restore GPIO registers: %d\n", ret);
wm8994->suspended = false;
return 0;
}
static int ft5x06_ts_power_on(bool on)
{
int rc;
rc = regulator_bulk_get(NULL, ARRAY_SIZE(regs_ft5x06), regs_ft5x06);
if (rc) {
printk("%s: could not get regulators: %d\n",
__func__, rc);
}
rc = regulator_bulk_set_voltage(ARRAY_SIZE(regs_ft5x06), regs_ft5x06);
if (rc) {
printk("%s: could not set voltages: %d\n",
__func__, rc);
}
rc = on ?
regulator_bulk_enable(ARRAY_SIZE(regs_ft5x06), regs_ft5x06) :
regulator_bulk_disable(ARRAY_SIZE(regs_ft5x06), regs_ft5x06);
if (rc)
pr_err("%s: could not %sable regulators: %d\n",
__func__, on ? "en" : "dis", rc);
else
msleep(50);
return rc;
}
static int cs4270_soc_resume(struct platform_device *pdev)
{
struct snd_soc_codec *codec = cs4270_codec;
struct cs4270_private *cs4270 = codec->private_data;
struct i2c_client *i2c_client = codec->control_data;
int reg;
regulator_bulk_enable(ARRAY_SIZE(cs4270->supplies),
cs4270->supplies);
/* In case the device was put to hard reset during sleep, we need to
* wait 500ns here before any I2C communication. */
ndelay(500);
/* first restore the entire register cache ... */
for (reg = CS4270_FIRSTREG; reg <= CS4270_LASTREG; reg++) {
u8 val = snd_soc_read(codec, reg);
if (i2c_smbus_write_byte_data(i2c_client, reg, val)) {
dev_err(codec->dev, "i2c write failed\n");
return -EIO;
}
}
/* ... then disable the power-down bits */
reg = snd_soc_read(codec, CS4270_PWRCTL);
reg &= ~CS4270_PWRCTL_PDN_ALL;
return snd_soc_write(codec, CS4270_PWRCTL, reg);
}
static void twl6040_vibra_enable(struct vibra_info *info)
{
struct twl6040 *twl6040 = info->twl6040;
int ret;
ret = regulator_bulk_enable(ARRAY_SIZE(info->supplies), info->supplies);
if (ret) {
dev_err(info->dev, "failed to enable regulators %d\n", ret);
return;
}
twl6040_power(info->twl6040, 1);
if (twl6040_get_revid(twl6040) <= TWL6040_REV_ES1_1) {
/*
*/
twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLL,
TWL6040_VIBENA | TWL6040_VIBCTRL);
twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLR,
TWL6040_VIBENA | TWL6040_VIBCTRL);
usleep_range(3000, 3500);
}
twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLL,
TWL6040_VIBENA);
twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLR,
TWL6040_VIBENA);
info->enabled = true;
}
static int msm_fb_lcdc_power_save(int on)
{
int rc = 0;
/* Doing the init of the LCDC GPIOs very late as they are from
an I2C-controlled IO Expander */
lcdc_toshiba_gpio_init();
if (lcdc_gpio_initialized) {
gpio_set_value_cansleep(GPIO_DISPLAY_PWR_EN, on);
/*++ Huize - 20120927 Modify for identifying what the code is used by customization ++*/
#ifndef DISPLAY_CUSTOMIZATION
gpio_set_value_cansleep(GPIO_BACKLIGHT_EN, on);
#endif
/*-- Huize - 20120927 Modify for identifying what the code is used by customization --*/
rc = on ? regulator_bulk_enable(
ARRAY_SIZE(regs_lcdc), regs_lcdc) :
regulator_bulk_disable(
ARRAY_SIZE(regs_lcdc), regs_lcdc);
if (rc)
pr_err("%s: could not %sable regulators: %d\n",
__func__, on ? "en" : "dis", rc);
}
return rc;
}
static int aic31xx_set_power(struct snd_soc_codec *codec, int power)
{
struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
int ret;
dev_dbg(codec->dev, "## %s: %d\n", __func__, power);
if (power) {
ret = regulator_bulk_enable(ARRAY_SIZE(aic31xx->supplies),
aic31xx->supplies);
if (ret)
return ret;
aic31xx->power = 1;
if (gpio_is_valid(aic31xx->pdata.gpio_reset)) {
gpio_set_value(aic31xx->pdata.gpio_reset, 1);
mdelay(10);
}
} else {
/*
* Do soft reset to this codec instance in order to clear
* possible VDD leakage currents in case the supply regulators
* remain on
*/
snd_soc_write(codec, AIC31XX_RESET, 0x01);
if (gpio_is_valid(aic31xx->pdata.gpio_reset))
gpio_set_value(aic31xx->pdata.gpio_reset, 0);
aic31xx->power = 0;
ret = regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
aic31xx->supplies);
}
return ret;
}
/**
* cs4270_probe - ASoC probe function
* @pdev: platform device
*
* This function is called when ASoC has all the pieces it needs to
* instantiate a sound driver.
*/
static int cs4270_probe(struct snd_soc_codec *codec)
{
struct cs4270_private *cs4270 = snd_soc_codec_get_drvdata(codec);
int ret;
/* Disable auto-mute. This feature appears to be buggy. In some
* situations, auto-mute will not deactivate when it should, so we want
* this feature disabled by default. An application (e.g. alsactl) can
* re-enabled it by using the controls.
*/
ret = snd_soc_update_bits(codec, CS4270_MUTE, CS4270_MUTE_AUTO, 0);
if (ret < 0) {
dev_err(codec->dev, "i2c write failed\n");
return ret;
}
/* Disable automatic volume control. The hardware enables, and it
* causes volume change commands to be delayed, sometimes until after
* playback has started. An application (e.g. alsactl) can
* re-enabled it by using the controls.
*/
ret = snd_soc_update_bits(codec, CS4270_TRANS,
CS4270_TRANS_SOFT | CS4270_TRANS_ZERO, 0);
if (ret < 0) {
dev_err(codec->dev, "i2c write failed\n");
return ret;
}
ret = regulator_bulk_enable(ARRAY_SIZE(cs4270->supplies),
cs4270->supplies);
return ret;
}
static int __dwc2_lowlevel_hw_enable(struct dwc2_hsotg *hsotg)
{
struct platform_device *pdev = to_platform_device(hsotg->dev);
int ret;
ret = regulator_bulk_enable(ARRAY_SIZE(hsotg->supplies),
hsotg->supplies);
if (ret)
return ret;
ret = clk_prepare_enable(hsotg->clk);
if (ret)
return ret;
if (hsotg->uphy)
ret = usb_phy_init(hsotg->uphy);
else if (hsotg->plat && hsotg->plat->phy_init)
ret = hsotg->plat->phy_init(pdev, hsotg->plat->phy_type);
else {
ret = phy_power_on(hsotg->phy);
if (ret == 0)
ret = phy_init(hsotg->phy);
}
return ret;
}
static int es8328_codec_probe(struct snd_soc_codec *codec)
{
struct es8328_priv *es8328;
int ret;
es8328 = snd_soc_codec_get_drvdata(codec);
ret = regulator_bulk_enable(ARRAY_SIZE(es8328->supplies),
es8328->supplies);
if (ret) {
dev_err(codec->dev, "unable to enable regulators\n");
return ret;
}
/* Setup clocks */
es8328->clk = devm_clk_get(codec->dev, NULL);
if (IS_ERR(es8328->clk)) {
dev_err(codec->dev, "codec clock missing or invalid\n");
ret = PTR_ERR(es8328->clk);
goto clk_fail;
}
ret = clk_prepare_enable(es8328->clk);
if (ret) {
dev_err(codec->dev, "unable to prepare codec clk\n");
goto clk_fail;
}
return 0;
clk_fail:
regulator_bulk_disable(ARRAY_SIZE(es8328->supplies),
es8328->supplies);
return ret;
}
static void twl6040_vibra_enable(struct vibra_info *info)
{
struct twl6040 *twl6040 = info->twl6040;
int ret;
ret = regulator_bulk_enable(ARRAY_SIZE(info->supplies), info->supplies);
if (ret) {
dev_err(info->dev, "failed to enable regulators %d\n", ret);
return;
}
twl6040_power(info->twl6040, 1);
if (twl6040_get_revid(twl6040) <= TWL6040_REV_ES1_1) {
/*
* ERRATA: Disable overcurrent protection for at least
* 3ms when enabling vibrator drivers to avoid false
* overcurrent detection
*/
twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLL,
TWL6040_VIBENA | TWL6040_VIBCTRL);
twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLR,
TWL6040_VIBENA | TWL6040_VIBCTRL);
usleep_range(3000, 3500);
}
twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLL,
TWL6040_VIBENA);
twl6040_reg_write(twl6040, TWL6040_REG_VIBCTLR,
TWL6040_VIBENA);
info->enabled = true;
}
static int aic31xx_power_on(struct snd_soc_codec *codec)
{
struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
int ret = 0;
ret = regulator_bulk_enable(ARRAY_SIZE(aic31xx->supplies),
aic31xx->supplies);
if (ret)
return ret;
if (gpio_is_valid(aic31xx->pdata.gpio_reset)) {
gpio_set_value(aic31xx->pdata.gpio_reset, 1);
udelay(100);
}
regcache_cache_only(aic31xx->regmap, false);
ret = regcache_sync(aic31xx->regmap);
if (ret != 0) {
dev_err(codec->dev,
"Failed to restore cache: %d\n", ret);
regcache_cache_only(aic31xx->regmap, true);
regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
aic31xx->supplies);
return ret;
}
return 0;
}
static int mpu3050_power_up(struct mpu3050 *mpu3050)
{
int ret;
ret = regulator_bulk_enable(ARRAY_SIZE(mpu3050->regs), mpu3050->regs);
if (ret) {
dev_err(mpu3050->dev, "cannot enable regulators\n");
return ret;
}
/*
* 20-100 ms start-up time for register read/write according to
* the datasheet, be on the safe side and wait 200 ms.
*/
msleep(200);
/* Take device out of sleep mode */
ret = regmap_update_bits(mpu3050->map, MPU3050_PWR_MGM,
MPU3050_PWR_MGM_SLEEP, 0);
if (ret) {
dev_err(mpu3050->dev, "error setting power mode\n");
return ret;
}
msleep(10);
return 0;
}
static int es8328_resume(struct snd_soc_codec *codec)
{
struct regmap *regmap = dev_get_regmap(codec->dev, NULL);
struct es8328_priv *es8328;
int ret;
es8328 = snd_soc_codec_get_drvdata(codec);
ret = clk_prepare_enable(es8328->clk);
if (ret) {
dev_err(codec->dev, "unable to enable clock\n");
return ret;
}
ret = regulator_bulk_enable(ARRAY_SIZE(es8328->supplies),
es8328->supplies);
if (ret) {
dev_err(codec->dev, "unable to enable regulators\n");
return ret;
}
regcache_mark_dirty(regmap);
ret = regcache_sync(regmap);
if (ret) {
dev_err(codec->dev, "unable to sync regcache\n");
return ret;
}
return 0;
}
/**
* sta350_set_bias_level - DAPM callback
* @codec: the codec device
* @level: DAPM power level
*
* This is called by ALSA to put the codec into low power mode
* or to wake it up. If the codec is powered off completely
* all registers must be restored after power on.
*/
static int sta350_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
struct sta350_priv *sta350 = snd_soc_codec_get_drvdata(codec);
int ret;
dev_dbg(codec->dev, "level = %d\n", level);
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
/* Full power on */
regmap_update_bits(sta350->regmap, STA350_CONFF,
STA350_CONFF_PWDN | STA350_CONFF_EAPD,
STA350_CONFF_PWDN | STA350_CONFF_EAPD);
break;
case SND_SOC_BIAS_STANDBY:
if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
ret = regulator_bulk_enable(
ARRAY_SIZE(sta350->supplies),
sta350->supplies);
if (ret < 0) {
dev_err(codec->dev,
"Failed to enable supplies: %d\n",
ret);
return ret;
}
sta350_startup_sequence(sta350);
sta350_cache_sync(codec);
}
/* Power down */
regmap_update_bits(sta350->regmap, STA350_CONFF,
STA350_CONFF_PWDN | STA350_CONFF_EAPD,
0);
break;
case SND_SOC_BIAS_OFF:
/* The chip runs through the power down sequence for us */
regmap_update_bits(sta350->regmap, STA350_CONFF,
STA350_CONFF_PWDN | STA350_CONFF_EAPD, 0);
/* power down: low */
if (sta350->gpiod_power_down)
gpiod_set_value(sta350->gpiod_power_down, 0);
if (sta350->gpiod_nreset)
gpiod_set_value(sta350->gpiod_nreset, 0);
regulator_bulk_disable(ARRAY_SIZE(sta350->supplies),
sta350->supplies);
break;
}
codec->dapm.bias_level = level;
return 0;
}
static int wm8741_probe(struct snd_soc_codec *codec)
{
struct wm8741_priv *wm8741 = snd_soc_codec_get_drvdata(codec);
int ret = 0;
int i;
for (i = 0; i < ARRAY_SIZE(wm8741->supplies); i++)
wm8741->supplies[i].supply = wm8741_supply_names[i];
ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8741->supplies),
wm8741->supplies);
if (ret != 0) {
dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
goto err;
}
ret = regulator_bulk_enable(ARRAY_SIZE(wm8741->supplies),
wm8741->supplies);
if (ret != 0) {
dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
goto err_get;
}
ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8741->control_type);
if (ret != 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
goto err_enable;
}
ret = wm8741_reset(codec);
if (ret < 0) {
dev_err(codec->dev, "Failed to issue reset\n");
goto err_enable;
}
/* Change some default settings - latch VU */
snd_soc_update_bits(codec, WM8741_DACLLSB_ATTENUATION,
WM8741_UPDATELL, WM8741_UPDATELL);
snd_soc_update_bits(codec, WM8741_DACLMSB_ATTENUATION,
WM8741_UPDATELM, WM8741_UPDATELM);
snd_soc_update_bits(codec, WM8741_DACRLSB_ATTENUATION,
WM8741_UPDATERL, WM8741_UPDATERL);
snd_soc_update_bits(codec, WM8741_DACRMSB_ATTENUATION,
WM8741_UPDATERM, WM8741_UPDATERM);
snd_soc_add_controls(codec, wm8741_snd_controls,
ARRAY_SIZE(wm8741_snd_controls));
wm8741_add_widgets(codec);
dev_dbg(codec->dev, "Successful registration\n");
return ret;
err_enable:
regulator_bulk_disable(ARRAY_SIZE(wm8741->supplies), wm8741->supplies);
err_get:
regulator_bulk_free(ARRAY_SIZE(wm8741->supplies), wm8741->supplies);
err:
return ret;
}
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),
wm8731->supplies);
if (ret != 0) {
dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
return ret;
}
ret = regulator_bulk_enable(ARRAY_SIZE(wm8731->supplies),
wm8731->supplies);
if (ret != 0) {
dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
goto err_regulator_get;
}
ret = wm8731_reset(codec);
if (ret < 0) {
dev_err(codec->dev, "Failed to issue reset: %d\n", ret);
goto err_regulator_enable;
}
wm8731_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/* Latch the update bits */
snd_soc_update_bits(codec, WM8731_LOUT1V, 0x100, 0);
snd_soc_update_bits(codec, WM8731_ROUT1V, 0x100, 0);
snd_soc_update_bits(codec, WM8731_LINVOL, 0x100, 0);
snd_soc_update_bits(codec, WM8731_RINVOL, 0x100, 0);
/* Disable bypass path by default */
snd_soc_update_bits(codec, WM8731_APANA, 0x8, 0);
/* Regulators will have been enabled by bias management */
regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);
return 0;
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;
}
static int tas6424_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct device *dev = &client->dev;
struct tas6424_data *tas6424;
int ret;
int i;
tas6424 = devm_kzalloc(dev, sizeof(*tas6424), GFP_KERNEL);
if (!tas6424)
return -ENOMEM;
dev_set_drvdata(dev, tas6424);
tas6424->dev = dev;
tas6424->regmap = devm_regmap_init_i2c(client, &tas6424_regmap_config);
if (IS_ERR(tas6424->regmap)) {
ret = PTR_ERR(tas6424->regmap);
dev_err(dev, "unable to allocate register map: %d\n", ret);
return ret;
}
for (i = 0; i < ARRAY_SIZE(tas6424->supplies); i++)
tas6424->supplies[i].supply = tas6424_supply_names[i];
ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(tas6424->supplies),
tas6424->supplies);
if (ret) {
dev_err(dev, "unable to request supplies: %d\n", ret);
return ret;
}
ret = regulator_bulk_enable(ARRAY_SIZE(tas6424->supplies),
tas6424->supplies);
if (ret) {
dev_err(dev, "unable to enable supplies: %d\n", ret);
return ret;
}
/* Reset device to establish well-defined startup state */
ret = regmap_update_bits(tas6424->regmap, TAS6424_MODE_CTRL,
TAS6424_RESET, TAS6424_RESET);
if (ret) {
dev_err(dev, "unable to reset device: %d\n", ret);
return ret;
}
INIT_DELAYED_WORK(&tas6424->fault_check_work, tas6424_fault_check_work);
ret = snd_soc_register_codec(dev, &soc_codec_dev_tas6424,
tas6424_dai, ARRAY_SIZE(tas6424_dai));
if (ret < 0) {
dev_err(dev, "unable to register codec: %d\n", ret);
return ret;
}
return 0;
}
static int wm8737_probe(struct snd_soc_codec *codec)
{
struct wm8737_priv *wm8737 = snd_soc_codec_get_drvdata(codec);
int ret, i;
ret = snd_soc_codec_set_cache_io(codec, 7, 9, wm8737->control_type);
if (ret != 0) {
dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
return ret;
}
for (i = 0; i < ARRAY_SIZE(wm8737->supplies); i++)
wm8737->supplies[i].supply = wm8737_supply_names[i];
ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8737->supplies),
wm8737->supplies);
if (ret != 0) {
dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
return ret;
}
ret = regulator_bulk_enable(ARRAY_SIZE(wm8737->supplies),
wm8737->supplies);
if (ret != 0) {
dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
goto err_get;
}
ret = wm8737_reset(codec);
if (ret < 0) {
dev_err(codec->dev, "Failed to issue reset\n");
goto err_enable;
}
snd_soc_update_bits(codec, WM8737_LEFT_PGA_VOLUME, WM8737_LVU,
WM8737_LVU);
snd_soc_update_bits(codec, WM8737_RIGHT_PGA_VOLUME, WM8737_RVU,
WM8737_RVU);
wm8737_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
/* Bias level configuration will have done an extra enable */
regulator_bulk_disable(ARRAY_SIZE(wm8737->supplies), wm8737->supplies);
snd_soc_add_controls(codec, wm8737_snd_controls,
ARRAY_SIZE(wm8737_snd_controls));
wm8737_add_widgets(codec);
return 0;
err_enable:
regulator_bulk_disable(ARRAY_SIZE(wm8737->supplies), wm8737->supplies);
err_get:
regulator_bulk_free(ARRAY_SIZE(wm8737->supplies), wm8737->supplies);
return ret;
}
static int cs4271_codec_probe(struct snd_soc_codec *codec)
{
struct cs4271_private *cs4271 = snd_soc_codec_get_drvdata(codec);
struct cs4271_platform_data *cs4271plat = codec->dev->platform_data;
int ret;
bool amutec_eq_bmutec = false;
#ifdef CONFIG_OF
if (of_match_device(cs4271_dt_ids, codec->dev)) {
if (of_get_property(codec->dev->of_node,
"cirrus,amutec-eq-bmutec", NULL))
amutec_eq_bmutec = true;
if (of_get_property(codec->dev->of_node,
"cirrus,enable-soft-reset", NULL))
cs4271->enable_soft_reset = true;
}
#endif
ret = regulator_bulk_enable(ARRAY_SIZE(cs4271->supplies),
cs4271->supplies);
if (ret < 0) {
dev_err(codec->dev, "Failed to enable regulators: %d\n", ret);
return ret;
}
if (cs4271plat) {
amutec_eq_bmutec = cs4271plat->amutec_eq_bmutec;
cs4271->enable_soft_reset = cs4271plat->enable_soft_reset;
}
/* Reset codec */
cs4271_reset(codec);
ret = regcache_sync(cs4271->regmap);
if (ret < 0)
return ret;
ret = regmap_update_bits(cs4271->regmap, CS4271_MODE2,
CS4271_MODE2_PDN | CS4271_MODE2_CPEN,
CS4271_MODE2_PDN | CS4271_MODE2_CPEN);
if (ret < 0)
return ret;
ret = regmap_update_bits(cs4271->regmap, CS4271_MODE2,
CS4271_MODE2_PDN, 0);
if (ret < 0)
return ret;
/* Power-up sequence requires 85 uS */
udelay(85);
if (amutec_eq_bmutec)
regmap_update_bits(cs4271->regmap, CS4271_MODE2,
CS4271_MODE2_MUTECAEQUB,
CS4271_MODE2_MUTECAEQUB);
return 0;
}
static int ak8974_regulators_on(struct ak8974_chip *chip)
{
int ret;
ret = regulator_bulk_enable(ARRAY_SIZE(chip->regs), chip->regs);
if (ret == 0)
msleep(AK8974_POWERON_DELAY);
return ret;
}
static int regulator_userspace_consumer_probe(struct platform_device *pdev)
{
struct regulator_userspace_consumer_data *pdata;
struct userspace_consumer_data *drvdata;
int ret;
pdata = pdev->dev.platform_data;
if (!pdata)
return -EINVAL;
drvdata = kzalloc(sizeof(struct userspace_consumer_data), GFP_KERNEL);
if (drvdata == NULL)
return -ENOMEM;
drvdata->name = pdata->name;
drvdata->num_supplies = pdata->num_supplies;
drvdata->supplies = pdata->supplies;
mutex_init(&drvdata->lock);
ret = regulator_bulk_get(&pdev->dev, drvdata->num_supplies,
drvdata->supplies);
if (ret) {
dev_err(&pdev->dev, "Failed to get supplies: %d\n", ret);
goto err_alloc_supplies;
}
ret = sysfs_create_group(&pdev->dev.kobj, &attr_group);
if (ret != 0)
goto err_create_attrs;
if (pdata->init_on) {
ret = regulator_bulk_enable(drvdata->num_supplies,
drvdata->supplies);
if (ret) {
dev_err(&pdev->dev,
"Failed to set initial state: %d\n", ret);
goto err_enable;
}
}
drvdata->enabled = pdata->init_on;
platform_set_drvdata(pdev, drvdata);
return 0;
err_enable:
sysfs_remove_group(&pdev->dev.kobj, &attr_group);
err_create_attrs:
regulator_bulk_free(drvdata->num_supplies, drvdata->supplies);
err_alloc_supplies:
kfree(drvdata);
return ret;
}
/**
* sta32x_set_bias_level - DAPM callback
* @codec: the codec device
* @level: DAPM power level
*
* This is called by ALSA to put the codec into low power mode
* or to wake it up. If the codec is powered off completely
* all registers must be restored after power on.
*/
static int sta32x_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
int ret;
struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
dev_dbg(codec->dev, "level = %d\n", level);
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
/* Full power on */
regmap_update_bits(sta32x->regmap, STA32X_CONFF,
STA32X_CONFF_PWDN | STA32X_CONFF_EAPD,
STA32X_CONFF_PWDN | STA32X_CONFF_EAPD);
break;
case SND_SOC_BIAS_STANDBY:
if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
ret = regulator_bulk_enable(ARRAY_SIZE(sta32x->supplies),
sta32x->supplies);
if (ret != 0) {
dev_err(codec->dev,
"Failed to enable supplies: %d\n", ret);
return ret;
}
sta32x_startup_sequence(sta32x);
sta32x_cache_sync(codec);
sta32x_watchdog_start(sta32x);
}
/* Power down */
regmap_update_bits(sta32x->regmap, STA32X_CONFF,
STA32X_CONFF_PWDN | STA32X_CONFF_EAPD,
0);
break;
case SND_SOC_BIAS_OFF:
/* The chip runs through the power down sequence for us. */
regmap_update_bits(sta32x->regmap, STA32X_CONFF,
STA32X_CONFF_PWDN | STA32X_CONFF_EAPD, 0);
msleep(300);
sta32x_watchdog_stop(sta32x);
if (sta32x->gpiod_nreset)
gpiod_set_value(sta32x->gpiod_nreset, 0);
regulator_bulk_disable(ARRAY_SIZE(sta32x->supplies),
sta32x->supplies);
break;
}
return 0;
}
static void msm_camera_vreg_config(int vreg_en)
{
int rc = vreg_en ?
regulator_bulk_enable(ARRAY_SIZE(regs_camera), regs_camera) :
regulator_bulk_disable(ARRAY_SIZE(regs_camera), regs_camera);
if (rc)
pr_err("%s: could not %sable regulators: %d\n",
__func__, vreg_en ? "en" : "dis", rc);
}
int m6mo_mipi_cam_power(int enable)
{
struct regulator_bulk_data supplies[5];
int num_consumers = ARRAY_SIZE(supplies);
unsigned int gpio, front_gpio;
int ret;
pr_info("%s():%d\n", __FUNCTION__, enable);
if (machine_is_m030()) {
supplies[0].supply = "cam_isp_1.8v";
supplies[1].supply = "cam_isp_core";
supplies[2].supply = "cam_sensor_2.7v";
supplies[3].supply = "cam_sensor_1.2v";
supplies[4].supply = "cam_af_2.7v";
gpio = M030_GPIO_CAMERA0_RST;
front_gpio = M030_GPIO_CAMERA1_PDN;
} else {
supplies[0].supply = "cam_1.8v";
supplies[1].supply = "cam0_isp_1.2v";
supplies[2].supply = "cam0_sensor_1.2v";
supplies[3].supply = "cam0_sensor_2.7v";
supplies[4].supply = "cam0_af_2.7v";
gpio = BACK_CAM_RST;
front_gpio = FRONT_CAM_DOWN;
}
ret = regulator_bulk_get(NULL, num_consumers, supplies);
if (ret) {
pr_err("%s():regulator_bulk_get failed\n", __func__);
return ret;
}
if (enable) {
gpio_set_value(front_gpio, 1);
ret = regulator_bulk_enable(num_consumers, supplies);
gpio_set_value(gpio, 1);
}
else {
gpio_set_value(gpio, 0);
ret = regulator_bulk_disable(num_consumers, supplies);
gpio_set_value(front_gpio, 0);
}
if (ret) {
pr_err("%s():regulator_bulk_%sable failed\n", __func__, enable?"en":"dis");
goto exit_regulator;
}
usleep_range(5000, 5000);
exit_regulator:
regulator_bulk_free(num_consumers, supplies);
return ret;
}
int sku3_lcdc_lcd_camera_power_onoff(int on)
{
int rc = 0;
u32 socinfo = socinfo_get_platform_type();
static int refcount = 0;
if (on) {
if (refcount > 0)
{
refcount++;
return rc;
}
if (socinfo == 0x0B)
gpio_set_value_cansleep(SKU3_LCDC_LCD_CAMERA_LDO_1V8,
1);
else if (socinfo == 0x0F || machine_is_msm8625_qrd7())
gpio_set_value_cansleep(SKU3_1_LCDC_LCD_CAMERA_LDO_1V8,
1);
gpio_set_value_cansleep(SKU3_LCDC_LCD_CAMERA_LDO_2V8, 1);
rc = regulator_bulk_enable(ARRAY_SIZE(regs_truly_lcdc),
regs_truly_lcdc);
if (rc)
pr_err("%s: could not enable regulators: %d\n",
__func__, rc);
else
refcount++;
} else {
if (refcount > 1)
{
refcount--;
return rc;
}
if (socinfo == 0x0B)
gpio_set_value_cansleep(SKU3_LCDC_LCD_CAMERA_LDO_1V8,
0);
else if (socinfo == 0x0F || machine_is_msm8625_qrd7())
gpio_set_value_cansleep(SKU3_1_LCDC_LCD_CAMERA_LDO_1V8,
0);
gpio_set_value_cansleep(SKU3_LCDC_LCD_CAMERA_LDO_2V8, 0);
rc = regulator_bulk_disable(ARRAY_SIZE(regs_truly_lcdc),
regs_truly_lcdc);
if (rc)
pr_err("%s: could not disable regulators: %d\n",
__func__, rc);
else
refcount--;
}
return rc;
}
/**
* sta32x_set_bias_level - DAPM callback
* @codec: the codec device
* @level: DAPM power level
*
* This is called by ALSA to put the codec into low power mode
* or to wake it up. If the codec is powered off completely
* all registers must be restored after power on.
*/
static int sta32x_set_bias_level(struct snd_soc_codec *codec,
enum snd_soc_bias_level level)
{
int ret;
struct sta32x_priv *sta32x = snd_soc_codec_get_drvdata(codec);
pr_debug("level = %d\n", level);
switch (level) {
case SND_SOC_BIAS_ON:
break;
case SND_SOC_BIAS_PREPARE:
/* Full power on */
snd_soc_update_bits(codec, STA32X_CONFF,
STA32X_CONFF_PWDN | STA32X_CONFF_EAPD,
STA32X_CONFF_PWDN | STA32X_CONFF_EAPD);
break;
case SND_SOC_BIAS_STANDBY:
if (codec->dapm.bias_level == SND_SOC_BIAS_OFF) {
ret = regulator_bulk_enable(ARRAY_SIZE(sta32x->supplies),
sta32x->supplies);
if (ret != 0) {
dev_err(codec->dev,
"Failed to enable supplies: %d\n", ret);
return ret;
}
sta32x_cache_sync(codec);
}
/* Power up to mute */
/* FIXME */
snd_soc_update_bits(codec, STA32X_CONFF,
STA32X_CONFF_PWDN | STA32X_CONFF_EAPD,
STA32X_CONFF_PWDN | STA32X_CONFF_EAPD);
break;
case SND_SOC_BIAS_OFF:
/* The chip runs through the power down sequence for us. */
snd_soc_update_bits(codec, STA32X_CONFF,
STA32X_CONFF_PWDN | STA32X_CONFF_EAPD,
STA32X_CONFF_PWDN);
msleep(300);
regulator_bulk_disable(ARRAY_SIZE(sta32x->supplies),
sta32x->supplies);
break;
}
codec->dapm.bias_level = level;
return 0;
}
/*
* si4713_powerup - Powers the device up
* @sdev: si4713_device structure for the device we are communicating
*/
static int si4713_powerup(struct si4713_device *sdev)
{
int err;
u8 resp[SI4713_PWUP_NRESP];
/*
* .First byte = Enabled interrupts and boot function
* .Second byte = Input operation mode
*/
const u8 args[SI4713_PWUP_NARGS] = {
SI4713_PWUP_CTSIEN | SI4713_PWUP_GPO2OEN | SI4713_PWUP_FUNC_TX,
SI4713_PWUP_OPMOD_ANALOG,
};
if (sdev->power_state)
return 0;
err = regulator_bulk_enable(ARRAY_SIZE(sdev->supplies),
sdev->supplies);
if (err) {
v4l2_err(&sdev->sd, "Failed to enable supplies: %d\n", err);
return err;
}
if (gpio_is_valid(sdev->gpio_reset)) {
udelay(50);
gpio_set_value(sdev->gpio_reset, 1);
}
err = si4713_send_command(sdev, SI4713_CMD_POWER_UP,
args, ARRAY_SIZE(args),
resp, ARRAY_SIZE(resp),
TIMEOUT_POWER_UP);
if (!err) {
v4l2_dbg(1, debug, &sdev->sd, "Powerup response: 0x%02x\n",
resp[0]);
v4l2_dbg(1, debug, &sdev->sd, "Device in power up mode\n");
sdev->power_state = POWER_ON;
err = si4713_write_property(sdev, SI4713_GPO_IEN,
SI4713_STC_INT | SI4713_CTS);
} else {
if (gpio_is_valid(sdev->gpio_reset))
gpio_set_value(sdev->gpio_reset, 0);
err = regulator_bulk_disable(ARRAY_SIZE(sdev->supplies),
sdev->supplies);
if (err)
v4l2_err(&sdev->sd,
"Failed to disable supplies: %d\n", err);
}
return err;
}
static int lis3_reg_ctrl(struct lis3lv02d *lis3, bool state)
{
int ret;
if (state == LIS3_REG_OFF) {
ret = regulator_bulk_disable(ARRAY_SIZE(lis3->regulators),
lis3->regulators);
} else {
ret = regulator_bulk_enable(ARRAY_SIZE(lis3->regulators),
lis3->regulators);
/* Chip needs time to wakeup. Not mentioned in datasheet */
usleep_range(10000, 20000);
}
return ret;
}