diff options
| author | Vlad Dogaru <vlad.dogaru@intel.com> | 2015-04-12 20:09:20 +0300 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2015-04-18 20:14:14 +0100 |
| commit | 821ace2929612aa1ecf49feba123e5c7130d1970 (patch) | |
| tree | aefa22842851dbe546fdccd722b39346ed8aa237 /drivers/iio | |
| parent | 59bd0427c01cf0172055a1b99457bee6fd75d865 (diff) | |
| download | linux-821ace2929612aa1ecf49feba123e5c7130d1970.tar.bz2 | |
iio: sx9500: refactor GPIO interrupt code
Signed-off-by: Vlad Dogaru <vlad.dogaru@intel.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio')
| -rw-r--r-- | drivers/iio/proximity/sx9500.c | 29 |
1 files changed, 11 insertions, 18 deletions
diff --git a/drivers/iio/proximity/sx9500.c b/drivers/iio/proximity/sx9500.c index 8db9d5bfecc3..1b3d894e8c69 100644 --- a/drivers/iio/proximity/sx9500.c +++ b/drivers/iio/proximity/sx9500.c @@ -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"); |