mirror of https://gitee.com/openkylin/linux.git
staging: iio: ad2s1200: Add blank lines
Add blank lines to improve readability. Signed-off-by: David Veenstra <davidjulianveenstra@gmail.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
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0598225542
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@ -9,6 +9,7 @@
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* published by the Free Software Foundation.
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*
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*/
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#include <linux/bitops.h>
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#include <linux/delay.h>
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#include <linux/device.h>
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@ -52,10 +53,12 @@ static int ad2s1200_read_raw(struct iio_dev *indio_dev,
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mutex_lock(&st->lock);
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gpio_set_value(st->sample, 0);
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/* delay (6 * AD2S1200_TSCLK + 20) nano seconds */
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udelay(1);
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gpio_set_value(st->sample, 1);
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gpio_set_value(st->rdvel, !!(chan->type == IIO_ANGL));
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ret = spi_read(st->sdev, st->rx, 2);
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if (ret < 0) {
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mutex_unlock(&st->lock);
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@ -75,9 +78,11 @@ static int ad2s1200_read_raw(struct iio_dev *indio_dev,
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mutex_unlock(&st->lock);
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return -EINVAL;
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}
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/* delay (2 * AD2S1200_TSCLK + 20) ns for sample pulse */
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udelay(1);
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mutex_unlock(&st->lock);
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return IIO_VAL_INT;
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}
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@ -115,9 +120,11 @@ static int ad2s1200_probe(struct spi_device *spi)
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return ret;
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}
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}
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indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
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if (!indio_dev)
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return -ENOMEM;
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spi_set_drvdata(spi, indio_dev);
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st = iio_priv(indio_dev);
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mutex_init(&st->lock);
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