diff options
| author | Hartmut Knaack <knaack.h@gmx.de> | 2015-07-28 01:39:01 +0300 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2015-08-02 21:08:13 +0300 |
| commit | 609e9d88f277bfe83392595745cc3976d42125b2 (patch) | |
| tree | 85f4d17a3b7482b0848405b5c804d59a55658497 | |
| parent | 688febbd168c52ab54ad29c210aceecb72386398 (diff) | |
| download | linux-609e9d88f277bfe83392595745cc3976d42125b2.tar.xz | |
iio:adc:berlin2-adc: use short operator format
Use augmented assignment to subtract the offset for negative temperature
values.
Specify the amount of private data to be allocated through
devm_iio_device_alloc() with sizeof(*priv), as it is shorter and common
practice in IIO.
Signed-off-by: Hartmut Knaack <knaack.h@gmx.de>
Acked-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
| -rw-r--r-- | drivers/iio/adc/berlin2-adc.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/iio/adc/berlin2-adc.c b/drivers/iio/adc/berlin2-adc.c index 2084b0b66ea0..e04b7734df1d 100644 --- a/drivers/iio/adc/berlin2-adc.c +++ b/drivers/iio/adc/berlin2-adc.c @@ -221,7 +221,7 @@ static int berlin2_adc_read_raw(struct iio_dev *indio_dev, return temp; if (temp > 2047) - temp = -(4096 - temp); + temp -= 4096; /* Convert to milli Celsius */ *val = ((temp * 100000) / 264 - 270000); @@ -286,8 +286,7 @@ static int berlin2_adc_probe(struct platform_device *pdev) int irq, tsen_irq; int ret; - indio_dev = devm_iio_device_alloc(&pdev->dev, - sizeof(struct berlin2_adc_priv)); + indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*priv)); if (!indio_dev) return -ENOMEM; |