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iio: sx9500: refactor GPIO interrupt code

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Signed-off-by: Vlad Dogaru <vlad.dogaru@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Vlad Dogaru 2015-04-12 20:09:20 +03:00 committed by Jonathan Cameron
parent 59bd0427c0
commit 821ace2929
1 changed files with 11 additions and 18 deletions
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29
drivers/iio/proximity/sx9500.c
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@ -32,7 +32,7 @@
#define SX9500_DRIVER_NAME "sx9500"
#define SX9500_IRQ_NAME "sx9500_event"
#define SX9500_GPIO_NAME "interrupt"
#define SX9500_GPIO_INT "interrupt"
/* Register definitions. */
#define SX9500_REG_IRQ_SRC 0x00
@ -857,30 +857,24 @@ static int sx9500_init_device(struct iio_dev *indio_dev)
return 0;
}
static int sx9500_gpio_probe(struct i2c_client *client,
struct sx9500_data *data)
static void sx9500_gpio_probe(struct i2c_client *client,
struct sx9500_data *data)
{
struct device *dev;
struct gpio_desc *gpio;
int ret;
if (!client)
return -EINVAL;
return;
dev = &client->dev;
/* data ready gpio interrupt pin */
gpio = devm_gpiod_get_index(dev, SX9500_GPIO_NAME, 0, GPIOD_IN);
if (IS_ERR(gpio)) {
dev_err(dev, "acpi gpio get index failed\n");
return PTR_ERR(gpio);
if (client->irq <= 0) {
gpio = devm_gpiod_get_index(dev, SX9500_GPIO_INT, 0, GPIOD_IN);
if (IS_ERR(gpio))
dev_err(dev, "gpio get irq failed\n");
else
client->irq = gpiod_to_irq(gpio);
}
ret = gpiod_to_irq(gpio);
dev_dbg(dev, "GPIO resource, no:%d irq:%d\n", desc_to_gpio(gpio), ret);
return ret;
}
static int sx9500_probe(struct i2c_client *client,
@ -914,8 +908,7 @@ static int sx9500_probe(struct i2c_client *client,
indio_dev->modes = INDIO_DIRECT_MODE;
i2c_set_clientdata(client, indio_dev);
if (client->irq <= 0)
client->irq = sx9500_gpio_probe(client, data);
sx9500_gpio_probe(client, data);
if (client->irq <= 0)
dev_warn(&client->dev, "no valid irq found\n");