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iio: pressure: bmp280: Explicitly mark GPIO optional

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Show by using a corresponding API call that GPIO is optional.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Andy Shevchenko 2020-03-23 12:41:27 +02:00 committed by Jonathan Cameron
parent 6085102c49
commit df6e71256c
1 changed files with 2 additions and 2 deletions
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4
drivers/iio/pressure/bmp280-core.c
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@ -1066,9 +1066,9 @@ int bmp280_common_probe(struct device *dev,
usleep_range(data->start_up_time, data->start_up_time + 100); usleep_range(data->start_up_time, data->start_up_time + 100);
/* Bring chip out of reset if there is an assigned GPIO line */ /* Bring chip out of reset if there is an assigned GPIO line */
gpiod = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); gpiod = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
/* Deassert the signal */ /* Deassert the signal */
if (!IS_ERR(gpiod)) { if (gpiod) {
dev_info(dev, "release reset\n"); dev_info(dev, "release reset\n");
gpiod_set_value(gpiod, 0); gpiod_set_value(gpiod, 0);
} }