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regulator: arizona-micsupp: Factor out generic initialization 

In preparation for sharing this driver with Madera codecs, factor out
the parts of initialization that aren't dependent on struct arizona.

Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Richard Fitzgerald 2017-04-18 11:43:51 +01:00 committed by Mark Brown
parent e165983e51
commit 7d8d14b519
1 changed files with 57 additions and 47 deletions
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104
drivers/regulator/arizona-micsupp.c
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@ -231,14 +231,66 @@ static int arizona_micsupp_of_get_pdata(struct arizona_micsupp_pdata *pdata,
return 0; return 0;
} }
static int arizona_micsupp_common_init(struct platform_device *pdev,
struct arizona_micsupp *micsupp,
const struct regulator_desc *desc,
struct arizona_micsupp_pdata *pdata)
{
struct regulator_config config = { };
int ret;
INIT_WORK(&micsupp->check_cp_work, arizona_micsupp_check_cp);
micsupp->init_data.consumer_supplies = &micsupp->supply;
micsupp->supply.supply = "MICVDD";
micsupp->supply.dev_name = dev_name(micsupp->dev);
micsupp->enable_reg = desc->enable_reg;
config.dev = micsupp->dev;
config.driver_data = micsupp;
config.regmap = micsupp->regmap;
if (IS_ENABLED(CONFIG_OF)) {
if (!dev_get_platdata(micsupp->dev)) {
ret = arizona_micsupp_of_get_pdata(pdata, &config,
desc);
if (ret < 0)
return ret;
}
}
if (pdata->init_data)
config.init_data = pdata->init_data;
else
config.init_data = &micsupp->init_data;
/* Default to regulated mode */
regmap_update_bits(micsupp->regmap, micsupp->enable_reg,
ARIZONA_CPMIC_BYPASS, 0);
micsupp->regulator = devm_regulator_register(&pdev->dev,
desc,
&config);
of_node_put(config.of_node);
if (IS_ERR(micsupp->regulator)) {
ret = PTR_ERR(micsupp->regulator);
dev_err(micsupp->dev, "Failed to register mic supply: %d\n",
ret);
return ret;
}
platform_set_drvdata(pdev, micsupp);
return 0;
}
static int arizona_micsupp_probe(struct platform_device *pdev) static int arizona_micsupp_probe(struct platform_device *pdev)
{ {
struct arizona *arizona = dev_get_drvdata(pdev->dev.parent); struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);
const struct regulator_desc *desc; const struct regulator_desc *desc;
struct regulator_config config = { };
struct arizona_micsupp_pdata *pdata = &arizona->pdata.micvdd;
struct arizona_micsupp *micsupp; struct arizona_micsupp *micsupp;
int ret;
micsupp = devm_kzalloc(&pdev->dev, sizeof(*micsupp), GFP_KERNEL); micsupp = devm_kzalloc(&pdev->dev, sizeof(*micsupp), GFP_KERNEL);
if (!micsupp) if (!micsupp)
@ -247,7 +299,6 @@ static int arizona_micsupp_probe(struct platform_device *pdev)
micsupp->regmap = arizona->regmap; micsupp->regmap = arizona->regmap;
micsupp->dapm = &arizona->dapm; micsupp->dapm = &arizona->dapm;
micsupp->dev = arizona->dev; micsupp->dev = arizona->dev;
INIT_WORK(&micsupp->check_cp_work, arizona_micsupp_check_cp);
/* /*
* Since the chip usually supplies itself we provide some * Since the chip usually supplies itself we provide some
@ -266,49 +317,8 @@ static int arizona_micsupp_probe(struct platform_device *pdev)
break; break;
} }
micsupp->init_data.consumer_supplies = &micsupp->supply; return arizona_micsupp_common_init(pdev, micsupp, desc,
micsupp->supply.supply = "MICVDD"; &arizona->pdata.micvdd);
micsupp->supply.dev_name = dev_name(arizona->dev);
micsupp->enable_reg = desc->enable_reg;
config.dev = arizona->dev;
config.driver_data = micsupp;
config.regmap = arizona->regmap;
if (IS_ENABLED(CONFIG_OF)) {
if (!dev_get_platdata(arizona->dev)) {
ret = arizona_micsupp_of_get_pdata(pdata, &config,
desc);
if (ret < 0)
return ret;
}
}
if (pdata->init_data)
config.init_data = pdata->init_data;
else
config.init_data = &micsupp->init_data;
/* Default to regulated mode until the API supports bypass */
regmap_update_bits(arizona->regmap, ARIZONA_MIC_CHARGE_PUMP_1,
ARIZONA_CPMIC_BYPASS, 0);
micsupp->regulator = devm_regulator_register(&pdev->dev,
desc,
&config);
of_node_put(config.of_node);
if (IS_ERR(micsupp->regulator)) {
ret = PTR_ERR(micsupp->regulator);
dev_err(arizona->dev, "Failed to register mic supply: %d\n",
ret);
return ret;
}
platform_set_drvdata(pdev, micsupp);
return 0;
} }
static struct platform_driver arizona_micsupp_driver = { static struct platform_driver arizona_micsupp_driver = {