#include <linux/of_gpio.h>
#include <linux/pm_runtime.h>
#include <linux/regulator/consumer.h>
+#include <linux/reset.h>
#include <linux/slab.h>
#include <sound/initval.h>
#include <sound/pcm_params.h>
struct device *dev;
struct regmap *regmap;
struct gpio_desc *reset_gpiod;
+ struct reset_control *reset;
struct gpio_desc *mute_gpiod;
int digfil; /* SSLOW, SD, SLOW bits */
int fs; /* sampling rate */
if (ak4458->reset_gpiod) {
gpiod_set_value_cansleep(ak4458->reset_gpiod, active);
usleep_range(1000, 2000);
+ } else if (!IS_ERR_OR_NULL(ak4458->reset)) {
+ if (active)
+ reset_control_assert(ak4458->reset);
+ else
+ reset_control_deassert(ak4458->reset);
+ usleep_range(1000, 2000);
}
}
if (ak4458->mute_gpiod)
gpiod_set_value_cansleep(ak4458->mute_gpiod, 1);
- ak4458_reset(ak4458, true);
ak4458_reset(ak4458, false);
regcache_cache_only(ak4458->regmap, false);
ak4458->drvdata = of_device_get_match_data(&i2c->dev);
+ ak4458->reset = devm_reset_control_get_optional_shared(ak4458->dev, NULL);
+ if (IS_ERR(ak4458->reset))
+ return PTR_ERR(ak4458->reset);
+
ak4458->reset_gpiod = devm_gpiod_get_optional(ak4458->dev, "reset",
GPIOD_OUT_LOW);
if (IS_ERR(ak4458->reset_gpiod))