diff options
Diffstat (limited to 'drivers/iio/proximity/sx9500.c')
| -rw-r--r-- | drivers/iio/proximity/sx9500.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/iio/proximity/sx9500.c b/drivers/iio/proximity/sx9500.c index b8a2c2c8cac5..ff80409e0c44 100644 --- a/drivers/iio/proximity/sx9500.c +++ b/drivers/iio/proximity/sx9500.c @@ -32,9 +32,6 @@ #define SX9500_DRIVER_NAME "sx9500" #define SX9500_IRQ_NAME "sx9500_event" -#define SX9500_GPIO_INT "interrupt" -#define SX9500_GPIO_RESET "reset" - /* Register definitions. */ #define SX9500_REG_IRQ_SRC 0x00 #define SX9500_REG_STAT 0x01 @@ -866,26 +863,44 @@ static int sx9500_init_device(struct iio_dev *indio_dev) return sx9500_init_compensation(indio_dev); } +static const struct acpi_gpio_params reset_gpios = { 0, 0, false }; +static const struct acpi_gpio_params interrupt_gpios = { 2, 0, false }; + +static const struct acpi_gpio_mapping acpi_sx9500_gpios[] = { + { "reset-gpios", &reset_gpios, 1 }, + /* + * Some platforms have a bug in ACPI GPIO description making IRQ + * GPIO to be output only. Ask the GPIO core to ignore this limit. + */ + { "interrupt-gpios", &interrupt_gpios, 1, ACPI_GPIO_QUIRK_NO_IO_RESTRICTION }, + { }, +}; + static void sx9500_gpio_probe(struct i2c_client *client, struct sx9500_data *data) { struct gpio_desc *gpiod_int; struct device *dev; + int ret; if (!client) return; dev = &client->dev; + ret = devm_acpi_dev_add_driver_gpios(dev, acpi_sx9500_gpios); + if (ret) + dev_dbg(dev, "Unable to add GPIO mapping table\n"); + if (client->irq <= 0) { - gpiod_int = devm_gpiod_get(dev, SX9500_GPIO_INT, GPIOD_IN); + gpiod_int = devm_gpiod_get(dev, "interrupt", GPIOD_IN); if (IS_ERR(gpiod_int)) dev_err(dev, "gpio get irq failed\n"); else client->irq = gpiod_to_irq(gpiod_int); } - data->gpiod_rst = devm_gpiod_get(dev, SX9500_GPIO_RESET, GPIOD_OUT_HIGH); + data->gpiod_rst = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(data->gpiod_rst)) { dev_warn(dev, "gpio get reset pin failed\n"); data->gpiod_rst = NULL; |