In order to satisfy GPIO ACPI library requirements convert users of
gpiod_get_index() to correctly behave when there no mapping is provided
by firmware.
Here we add explicit mapping between _CRS GpioIo() resources and
their names used in the driver.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
drivers/iio/proximity/sx9500.c | 21 ++++++++++++++++-----
1 file changed, 16 insertions(+), 5 deletions(-)
diff --git a/drivers/iio/proximity/sx9500.c b/drivers/iio/proximity/sx9500.c
index df23dbcc030a..eb687b3dd442 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 +863,40 @@ 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 },
+ { "interrupt-gpios", &interrupt_gpios, 1 },
+ { },
+};
+
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;
--
2.14.2
--
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