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ASoC: wm8770: Remove regulator allocation to SPI probe

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This is more idiomatic and ensures we don't try to do the ASoC card setup
until we've got all the required resources.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Mark Brown 2012-10-10 20:32:03 +09:00
parent c16a742891
commit f81ad9421a
1 changed files with 35 additions and 46 deletions
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81
sound/soc/codecs/wm8770.c
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@ -576,7 +576,6 @@ static int wm8770_probe(struct snd_soc_codec *codec)
{
struct wm8770_priv *wm8770;
int ret;
int i;
wm8770 = snd_soc_codec_get_drvdata(codec);
wm8770->codec = codec;
@ -587,36 +586,11 @@ static int wm8770_probe(struct snd_soc_codec *codec)
return ret;
}
for (i = 0; i < ARRAY_SIZE(wm8770->supplies); i++)
wm8770->supplies[i].supply = wm8770_supply_names[i];
ret = regulator_bulk_get(codec->dev, ARRAY_SIZE(wm8770->supplies),
wm8770->supplies);
if (ret) {
dev_err(codec->dev, "Failed to request supplies: %d\n", ret);
return ret;
}
wm8770->disable_nb[0].notifier_call = wm8770_regulator_event_0;
wm8770->disable_nb[1].notifier_call = wm8770_regulator_event_1;
wm8770->disable_nb[2].notifier_call = wm8770_regulator_event_2;
/* This should really be moved into the regulator core */
for (i = 0; i < ARRAY_SIZE(wm8770->supplies); i++) {
ret = regulator_register_notifier(wm8770->supplies[i].consumer,
&wm8770->disable_nb[i]);
if (ret) {
dev_err(codec->dev,
"Failed to register regulator notifier: %d\n",
ret);
}
}
ret = regulator_bulk_enable(ARRAY_SIZE(wm8770->supplies),
wm8770->supplies);
if (ret) {
dev_err(codec->dev, "Failed to enable supplies: %d\n", ret);
goto err_reg_get;
return ret;
}
ret = wm8770_reset(codec);
@ -646,32 +620,14 @@ static int wm8770_probe(struct snd_soc_codec *codec)
ARRAY_SIZE(wm8770_dapm_widgets));
snd_soc_dapm_add_routes(&codec->dapm, wm8770_intercon,
ARRAY_SIZE(wm8770_intercon));
return 0;
err_reg_enable:
regulator_bulk_disable(ARRAY_SIZE(wm8770->supplies), wm8770->supplies);
err_reg_get:
regulator_bulk_free(ARRAY_SIZE(wm8770->supplies), wm8770->supplies);
return ret;
}
static int wm8770_remove(struct snd_soc_codec *codec)
{
struct wm8770_priv *wm8770;
int i;
wm8770 = snd_soc_codec_get_drvdata(codec);
for (i = 0; i < ARRAY_SIZE(wm8770->supplies); ++i)
regulator_unregister_notifier(wm8770->supplies[i].consumer,
&wm8770->disable_nb[i]);
regulator_bulk_free(ARRAY_SIZE(wm8770->supplies), wm8770->supplies);
return 0;
}
static struct snd_soc_codec_driver soc_codec_dev_wm8770 = {
.probe = wm8770_probe,
.remove = wm8770_remove,
.set_bias_level = wm8770_set_bias_level,
.idle_bias_off = true,
};
@ -697,13 +653,38 @@ static const struct regmap_config wm8770_regmap = {
static int __devinit wm8770_spi_probe(struct spi_device *spi)
{
struct wm8770_priv *wm8770;
int ret;
int ret, i;
wm8770 = devm_kzalloc(&spi->dev, sizeof(struct wm8770_priv),
GFP_KERNEL);
if (!wm8770)
return -ENOMEM;
for (i = 0; i < ARRAY_SIZE(wm8770->supplies); i++)
wm8770->supplies[i].supply = wm8770_supply_names[i];
ret = devm_regulator_bulk_get(&spi->dev, ARRAY_SIZE(wm8770->supplies),
wm8770->supplies);
if (ret) {
dev_err(&spi->dev, "Failed to request supplies: %d\n", ret);
return ret;
}
wm8770->disable_nb[0].notifier_call = wm8770_regulator_event_0;
wm8770->disable_nb[1].notifier_call = wm8770_regulator_event_1;
wm8770->disable_nb[2].notifier_call = wm8770_regulator_event_2;
/* This should really be moved into the regulator core */
for (i = 0; i < ARRAY_SIZE(wm8770->supplies); i++) {
ret = regulator_register_notifier(wm8770->supplies[i].consumer,
&wm8770->disable_nb[i]);
if (ret) {
dev_err(&spi->dev,
"Failed to register regulator notifier: %d\n",
ret);
}
}
wm8770->regmap = devm_regmap_init_spi(spi, &wm8770_regmap);
if (IS_ERR(wm8770->regmap))
return PTR_ERR(wm8770->regmap);
@ -718,7 +699,15 @@ static int __devinit wm8770_spi_probe(struct spi_device *spi)
static int __devexit wm8770_spi_remove(struct spi_device *spi)
{
struct wm8770_priv *wm8770 = spi_get_drvdata(spi);
int i;
for (i = 0; i < ARRAY_SIZE(wm8770->supplies); ++i)
regulator_unregister_notifier(wm8770->supplies[i].consumer,
&wm8770->disable_nb[i]);
snd_soc_unregister_codec(&spi->dev);
return 0;
}