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iio: imu: st_lsm6dsx: simplify data ready pin parsing

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Simplify st_lsm6dsx_of_get_drdy_pin routine since of_property_read_u32
error conditions are already managed in st_lsm6dsx_get_drdy_reg()

Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@st.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Lorenzo Bianconi 2017-04-09 20:03:37 +02:00 committed by Jonathan Cameron
parent b4bac145b9
commit bf23527798
1 changed files with 1 additions and 9 deletions
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drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_core.c
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@ -559,19 +559,11 @@ static const unsigned long st_lsm6dsx_available_scan_masks[] = {0x7, 0x0};
static int st_lsm6dsx_of_get_drdy_pin(struct st_lsm6dsx_hw *hw, int *drdy_pin)
{
struct device_node *np = hw->dev->of_node;
int err;
if (!np)
return -EINVAL;
err = of_property_read_u32(np, "st,drdy-int-pin", drdy_pin);
if (err == -ENODATA) {
/* if the property has not been specified use default value */
*drdy_pin = 1;
err = 0;
}
return err;
return of_property_read_u32(np, "st,drdy-int-pin", drdy_pin);
}
static int st_lsm6dsx_get_drdy_reg(struct st_lsm6dsx_hw *hw, u8 *drdy_reg)