iio: core: Use __sysfs_match_string() helper
Use __sysfs_match_string() helper instead of open coded variant. Cc: Jonathan Cameron <jic23@kernel.org> Cc: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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@ -478,21 +478,16 @@ ssize_t iio_enum_write(struct iio_dev *indio_dev,
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size_t len)
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{
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const struct iio_enum *e = (const struct iio_enum *)priv;
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unsigned int i;
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int ret;
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if (!e->set)
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return -EINVAL;
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for (i = 0; i < e->num_items; i++) {
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if (sysfs_streq(buf, e->items[i]))
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break;
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}
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ret = __sysfs_match_string(e->items, e->num_items, buf);
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if (ret < 0)
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return ret;
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if (i == e->num_items)
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return -EINVAL;
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ret = e->set(indio_dev, chan, i);
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ret = e->set(indio_dev, chan, ret);
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return ret ? ret : len;
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}
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EXPORT_SYMBOL_GPL(iio_enum_write);
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