From: Hartmut Knaack Date: Sat, 25 Oct 2014 18:09:11 +0000 (+0200) Subject: iio:humidity:si7020: cleanup read_raw and probe X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=345b48307d6961183be77748fc0ae5dd660c91a8;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git iio:humidity:si7020: cleanup read_raw and probe When reading temperature or humidity values, a shift of two bits to the right needs to be applied, and only for the humidity channel a mask of the lower 12 bits needs to be applied. This reduces code repetition. During probe, i2c_set_clientdata() was used, although its counterpart was not, so drop it. Signed-off-by: Hartmut Knaack Signed-off-by: Jonathan Cameron --- diff --git a/drivers/iio/humidity/si7020.c b/drivers/iio/humidity/si7020.c index e336af713f20..69e49f58a455 100644 --- a/drivers/iio/humidity/si7020.c +++ b/drivers/iio/humidity/si7020.c @@ -56,10 +56,9 @@ static int si7020_read_raw(struct iio_dev *indio_dev, SI7020CMD_RH_HOLD); if (ret < 0) return ret; - if (chan->type == IIO_TEMP) - *val = ret >> 2; - else - *val = (ret & 0x3FFF) >> 2; + *val = ret >> 2; + if (chan->type == IIO_HUMIDITYRELATIVE) + *val &= GENMASK(11, 0); return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: if (chan->type == IIO_TEMP) @@ -133,7 +132,6 @@ static int si7020_probe(struct i2c_client *client, data = iio_priv(indio_dev); *data = client; - i2c_set_clientdata(client, indio_dev); indio_dev->dev.parent = &client->dev; indio_dev->name = dev_name(&client->dev);