diff --git a/sound/soc/codecs/ak4619.c b/sound/soc/codecs/ak4619.c index d9c9f6b20028..c4f0db1e51c8 100644 --- a/sound/soc/codecs/ak4619.c +++ b/sound/soc/codecs/ak4619.c @@ -152,6 +152,7 @@ struct ak4619_priv { struct regmap *regmap; struct snd_pcm_hw_constraint_list constraint; + struct gpio_desc *pdn_gpio; int deemph_en; unsigned int playback_rate; unsigned int sysclk; @@ -875,10 +876,20 @@ static int ak4619_i2c_probe(struct i2c_client *i2c) i2c_set_clientdata(i2c, ak4619); + ak4619->pdn_gpio = devm_gpiod_get_optional(dev, "powerdown", + GPIOD_OUT_LOW); + if (IS_ERR(ak4619->pdn_gpio)) + return dev_err_probe(dev, PTR_ERR(ak4619->pdn_gpio), + "powerdown GPIO request failed\n"); + if (ak4619->pdn_gpio) + msleep(10); + ak4619->regmap = devm_regmap_init_i2c(i2c, &ak4619_regmap_cfg); if (IS_ERR(ak4619->regmap)) { ret = PTR_ERR(ak4619->regmap); dev_err(dev, "regmap_init() failed: %d\n", ret); + if (ak4619->pdn_gpio) + gpiod_set_value_cansleep(ak4619->pdn_gpio, 1); return ret; } @@ -887,6 +898,8 @@ static int ak4619_i2c_probe(struct i2c_client *i2c) if (ret < 0) { dev_err(dev, "Failed to register ak4619 component: %d\n", ret); + if (ak4619->pdn_gpio) + gpiod_set_value_cansleep(ak4619->pdn_gpio, 1); return ret; }