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path: root/drivers/nfc/st21nfca/i2c.c
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Diffstat (limited to 'drivers/nfc/st21nfca/i2c.c')
-rw-r--r--drivers/nfc/st21nfca/i2c.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/nfc/st21nfca/i2c.c b/drivers/nfc/st21nfca/i2c.c
index 4bff76baa341..3621290807f6 100644
--- a/drivers/nfc/st21nfca/i2c.c
+++ b/drivers/nfc/st21nfca/i2c.c
@@ -501,14 +501,25 @@ static struct nfc_phy_ops i2c_phy_ops = {
.disable = st21nfca_hci_i2c_disable,
};
+static const struct acpi_gpio_params enable_gpios = { 1, 0, false };
+
+static const struct acpi_gpio_mapping acpi_st21nfca_gpios[] = {
+ { "enable-gpios", &enable_gpios, 1 },
+ {},
+};
+
static int st21nfca_hci_i2c_acpi_request_resources(struct i2c_client *client)
{
struct st21nfca_i2c_phy *phy = i2c_get_clientdata(client);
struct device *dev = &client->dev;
+ int ret;
+
+ ret = devm_acpi_dev_add_driver_gpios(dev, acpi_st21nfca_gpios);
+ if (ret)
+ return ret;
/* Get EN GPIO from ACPI */
- phy->gpiod_ena = devm_gpiod_get_index(dev, ST21NFCA_GPIO_NAME_EN, 1,
- GPIOD_OUT_LOW);
+ phy->gpiod_ena = devm_gpiod_get(dev, ST21NFCA_GPIO_NAME_EN, GPIOD_OUT_LOW);
if (IS_ERR(phy->gpiod_ena)) {
nfc_err(dev, "Unable to get ENABLE GPIO\n");
return PTR_ERR(phy->gpiod_ena);
@@ -523,8 +534,7 @@ static int st21nfca_hci_i2c_of_request_resources(struct i2c_client *client)
struct device *dev = &client->dev;
/* Get GPIO from device tree */
- phy->gpiod_ena = devm_gpiod_get_index(dev, ST21NFCA_GPIO_NAME_EN, 0,
- GPIOD_OUT_HIGH);
+ phy->gpiod_ena = devm_gpiod_get(dev, ST21NFCA_GPIO_NAME_EN, GPIOD_OUT_HIGH);
if (IS_ERR(phy->gpiod_ena)) {
nfc_err(dev, "Failed to request enable pin\n");
return PTR_ERR(phy->gpiod_ena);