diff options
Diffstat (limited to 'sound/soc/codecs/max9768.c')
| -rw-r--r-- | sound/soc/codecs/max9768.c | 60 |
1 files changed, 34 insertions, 26 deletions
diff --git a/sound/soc/codecs/max9768.c b/sound/soc/codecs/max9768.c index d22b4ba51ed8..7ad7a9fb7255 100644 --- a/sound/soc/codecs/max9768.c +++ b/sound/soc/codecs/max9768.c @@ -9,7 +9,7 @@ #include <linux/module.h> #include <linux/i2c.h> #include <linux/slab.h> -#include <linux/gpio.h> +#include <linux/gpio/consumer.h> #include <linux/regmap.h> #include <sound/core.h> @@ -27,8 +27,8 @@ struct max9768 { struct regmap *regmap; - int mute_gpio; - int shdn_gpio; + struct gpio_desc *mute; + struct gpio_desc *shdn; u32 flags; }; @@ -40,9 +40,9 @@ static const struct reg_default max9768_default_regs[] = { static int max9768_get_gpio(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_soc_component *c = snd_soc_kcontrol_component(kcontrol); + struct snd_soc_component *c = snd_kcontrol_chip(kcontrol); struct max9768 *max9768 = snd_soc_component_get_drvdata(c); - int val = gpio_get_value_cansleep(max9768->mute_gpio); + int val = gpiod_get_value_cansleep(max9768->mute); ucontrol->value.integer.value[0] = !val; @@ -52,12 +52,19 @@ static int max9768_get_gpio(struct snd_kcontrol *kcontrol, static int max9768_set_gpio(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { - struct snd_soc_component *c = snd_soc_kcontrol_component(kcontrol); + struct snd_soc_component *c = snd_kcontrol_chip(kcontrol); struct max9768 *max9768 = snd_soc_component_get_drvdata(c); + bool val = !ucontrol->value.integer.value[0]; + int ret; - gpio_set_value_cansleep(max9768->mute_gpio, !ucontrol->value.integer.value[0]); + if (val != gpiod_get_value_cansleep(max9768->mute)) + ret = 1; + else + ret = 0; - return 0; + gpiod_set_value_cansleep(max9768->mute, val); + + return ret; } static const DECLARE_TLV_DB_RANGE(volume_tlv, @@ -138,7 +145,7 @@ static int max9768_probe(struct snd_soc_component *component) return ret; } - if (gpio_is_valid(max9768->mute_gpio)) { + if (max9768->mute) { ret = snd_soc_add_component_controls(component, max9768_mute, ARRAY_SIZE(max9768_mute)); if (ret) @@ -171,28 +178,29 @@ static int max9768_i2c_probe(struct i2c_client *client) { struct max9768 *max9768; struct max9768_pdata *pdata = client->dev.platform_data; - int err; max9768 = devm_kzalloc(&client->dev, sizeof(*max9768), GFP_KERNEL); if (!max9768) return -ENOMEM; - if (pdata) { - /* Mute on powerup to avoid clicks */ - err = devm_gpio_request_one(&client->dev, pdata->mute_gpio, - GPIOF_INIT_HIGH, "MAX9768 Mute"); - max9768->mute_gpio = err ?: pdata->mute_gpio; - - /* Activate chip by releasing shutdown, enables I2C */ - err = devm_gpio_request_one(&client->dev, pdata->shdn_gpio, - GPIOF_INIT_HIGH, "MAX9768 Shutdown"); - max9768->shdn_gpio = err ?: pdata->shdn_gpio; - + /* Mute on powerup to avoid clicks */ + max9768->mute = devm_gpiod_get_optional(&client->dev, + "mute", + GPIOD_OUT_HIGH); + if (IS_ERR(max9768->mute)) + return PTR_ERR(max9768->mute); + gpiod_set_consumer_name(max9768->mute, "MAX9768 Mute"); + + /* Activate chip by releasing shutdown, enables I2C */ + max9768->shdn = devm_gpiod_get_optional(&client->dev, + "shutdown", + GPIOD_OUT_HIGH); + if (IS_ERR(max9768->shdn)) + return PTR_ERR(max9768->shdn); + gpiod_set_consumer_name(max9768->shdn, "MAX9768 Shutdown"); + + if (pdata) max9768->flags = pdata->flags; - } else { - max9768->shdn_gpio = -EINVAL; - max9768->mute_gpio = -EINVAL; - } i2c_set_clientdata(client, max9768); @@ -205,7 +213,7 @@ static int max9768_i2c_probe(struct i2c_client *client) } static const struct i2c_device_id max9768_i2c_id[] = { - { "max9768", 0 }, + { "max9768" }, { } }; MODULE_DEVICE_TABLE(i2c, max9768_i2c_id); |
