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Commit f81ad942 authored by Mark Brown's avatar Mark Brown
Browse files

ASoC: wm8770: Remove regulator allocation to SPI probe 



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: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent c16a7428

sound/soc/codecs/wm8770.c

+35 −46
Original line number Diff line number Diff line
@@ -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;

}