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ASoC: ak4458: correct reset polarity 

[ Upstream commit e953daeb68b1abd8a7d44902786349fdeef5c297 ]

Reset (aka power off) happens when the reset gpio is made active.
Change function name to ak4458_reset to match devicetree property "reset-gpios"

Signed-off-by: Eliot Blennerhassett <eliot@blennerhassett.gen.nz>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/ce650f47-4ff6-e486-7846-cc3d033f3601@blennerhassett.gen.nz
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Eliot Blennerhassett 2021-01-22 21:27:08 +13:00 committed by Greg Kroah-Hartman
parent e96d102502
commit 589cf152fe
1 changed files with 7 additions and 15 deletions
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22
sound/soc/codecs/ak4458.c
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@ -523,18 +523,10 @@ static struct snd_soc_dai_driver ak4497_dai = {
.ops = &ak4458_dai_ops,
};
static void ak4458_power_off(struct ak4458_priv *ak4458)
static void ak4458_reset(struct ak4458_priv *ak4458, bool active)
{
if (ak4458->reset_gpiod) {
gpiod_set_value_cansleep(ak4458->reset_gpiod, 0);
usleep_range(1000, 2000);
}
}
static void ak4458_power_on(struct ak4458_priv *ak4458)
{
if (ak4458->reset_gpiod) {
gpiod_set_value_cansleep(ak4458->reset_gpiod, 1);
gpiod_set_value_cansleep(ak4458->reset_gpiod, active);
usleep_range(1000, 2000);
}
}
@ -548,7 +540,7 @@ static int ak4458_init(struct snd_soc_component *component)
if (ak4458->mute_gpiod)
gpiod_set_value_cansleep(ak4458->mute_gpiod, 1);
ak4458_power_on(ak4458);
ak4458_reset(ak4458, false);
ret = snd_soc_component_update_bits(component, AK4458_00_CONTROL1,
0x80, 0x80); /* ACKS bit = 1; 10000000 */
@ -571,7 +563,7 @@ static void ak4458_remove(struct snd_soc_component *component)
{
struct ak4458_priv *ak4458 = snd_soc_component_get_drvdata(component);
ak4458_power_off(ak4458);
ak4458_reset(ak4458, true);
}
#ifdef CONFIG_PM
@ -581,7 +573,7 @@ static int __maybe_unused ak4458_runtime_suspend(struct device *dev)
regcache_cache_only(ak4458->regmap, true);
ak4458_power_off(ak4458);
ak4458_reset(ak4458, true);
if (ak4458->mute_gpiod)
gpiod_set_value_cansleep(ak4458->mute_gpiod, 0);
@ -596,8 +588,8 @@ static int __maybe_unused ak4458_runtime_resume(struct device *dev)
if (ak4458->mute_gpiod)
gpiod_set_value_cansleep(ak4458->mute_gpiod, 1);
ak4458_power_off(ak4458);
ak4458_power_on(ak4458);
ak4458_reset(ak4458, true);
ak4458_reset(ak4458, false);
regcache_cache_only(ak4458->regmap, false);
regcache_mark_dirty(ak4458->regmap);