From d99066e60c26397a32b5e9b7d77d079f3a562a50 Mon Sep 17 00:00:00 2001 From: David Veenstra Date: Fri, 20 Apr 2018 21:29:52 +0200 Subject: staging: iio: ad2s1200: Add blank lines Add blank lines to improve readability. Signed-off-by: David Veenstra Signed-off-by: Jonathan Cameron --- drivers/staging/iio/resolver/ad2s1200.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/staging/iio/resolver') diff --git a/drivers/staging/iio/resolver/ad2s1200.c b/drivers/staging/iio/resolver/ad2s1200.c index b6c3a3c..357fe3c 100644 --- a/drivers/staging/iio/resolver/ad2s1200.c +++ b/drivers/staging/iio/resolver/ad2s1200.c @@ -9,6 +9,7 @@ * published by the Free Software Foundation. * */ + #include #include #include @@ -52,10 +53,12 @@ static int ad2s1200_read_raw(struct iio_dev *indio_dev, mutex_lock(&st->lock); gpio_set_value(st->sample, 0); + /* delay (6 * AD2S1200_TSCLK + 20) nano seconds */ udelay(1); gpio_set_value(st->sample, 1); gpio_set_value(st->rdvel, !!(chan->type == IIO_ANGL)); + ret = spi_read(st->sdev, st->rx, 2); if (ret < 0) { mutex_unlock(&st->lock); @@ -75,9 +78,11 @@ static int ad2s1200_read_raw(struct iio_dev *indio_dev, mutex_unlock(&st->lock); return -EINVAL; } + /* delay (2 * AD2S1200_TSCLK + 20) ns for sample pulse */ udelay(1); mutex_unlock(&st->lock); + return IIO_VAL_INT; } @@ -115,9 +120,11 @@ static int ad2s1200_probe(struct spi_device *spi) return ret; } } + indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st)); if (!indio_dev) return -ENOMEM; + spi_set_drvdata(spi, indio_dev); st = iio_priv(indio_dev); mutex_init(&st->lock); -- cgit v1.1