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Diffstat (limited to 'sound/soc/codecs/max9768.c')
-rw-r--r--sound/soc/codecs/max9768.c60
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);