iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

iio: ti-ads1015: Remove shift variable ads1015_read_raw

Browse Source 
By using scan_type.realbits when processing raw data,
we use scan_type.shit only once, thus we don't need to define a local
variable for it anymore.

Signed-off-by: Gwendal Grignou <gwendal@chromium.org>
Link: https://lore.kernel.org/r/20211104082413.3681212-12-gwendal@chromium.org
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Gwendal Grignou 2021-11-04 01:24:11 -07:00 committed by Jonathan Cameron
parent 4d57fb548a
commit aad54091e1
1 changed files with 3 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/iio/adc/ti-ads1015.c
View File

@ -464,9 +464,7 @@ static int ads1015_read_raw(struct iio_dev *indio_dev,
mutex_lock(&data->lock);
switch (mask) {
case IIO_CHAN_INFO_RAW: {
int shift = chan->scan_type.shift;
case IIO_CHAN_INFO_RAW:
ret = iio_device_claim_direct_mode(indio_dev);
if (ret)
break;
@ -487,7 +485,8 @@ static int ads1015_read_raw(struct iio_dev *indio_dev,
goto release_direct;
}
*val = sign_extend32(*val >> shift, 15 - shift);
*val = sign_extend32(*val >> chan->scan_type.shift,
chan->scan_type.realbits - 1);
ret = ads1015_set_power_state(data, false);
if (ret < 0)
@ -497,7 +496,6 @@ static int ads1015_read_raw(struct iio_dev *indio_dev,
release_direct:
iio_device_release_direct_mode(indio_dev);
break;
}
case IIO_CHAN_INFO_SCALE:
idx = data->channel_data[chan->address].pga;
*val = ads1015_fullscale_range[idx];