ASoC: wm8804: Use new devres regulator_register_notifier

This is more idiomatic and also fixes an issue where the notifiers were
being leaked if probe failed.

Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Charles Keepax 2015-03-05 15:39:21 +00:00 committed by Mark Brown
parent 5142442d75
commit 0be9653a02

View File

@ -601,8 +601,10 @@ int wm8804_probe(struct device *dev, struct regmap *regmap)
/* This should really be moved into the regulator core */ /* This should really be moved into the regulator core */
for (i = 0; i < ARRAY_SIZE(wm8804->supplies); i++) { for (i = 0; i < ARRAY_SIZE(wm8804->supplies); i++) {
ret = regulator_register_notifier(wm8804->supplies[i].consumer, struct regulator *regulator = wm8804->supplies[i].consumer;
&wm8804->disable_nb[i]);
ret = devm_regulator_register_notifier(regulator,
&wm8804->disable_nb[i]);
if (ret != 0) { if (ret != 0) {
dev_err(dev, dev_err(dev,
"Failed to register regulator notifier: %d\n", "Failed to register regulator notifier: %d\n",
@ -662,15 +664,6 @@ EXPORT_SYMBOL_GPL(wm8804_probe);
void wm8804_remove(struct device *dev) void wm8804_remove(struct device *dev)
{ {
struct wm8804_priv *wm8804;
int i;
wm8804 = dev_get_drvdata(dev);
for (i = 0; i < ARRAY_SIZE(wm8804->supplies); ++i)
regulator_unregister_notifier(wm8804->supplies[i].consumer,
&wm8804->disable_nb[i]);
snd_soc_unregister_codec(dev); snd_soc_unregister_codec(dev);
} }
EXPORT_SYMBOL_GPL(wm8804_remove); EXPORT_SYMBOL_GPL(wm8804_remove);