diff options
| -rw-r--r-- | drivers/iio/adc/ti-ads1015.c | 18 |
1 files changed, 4 insertions, 14 deletions
diff --git a/drivers/iio/adc/ti-ads1015.c b/drivers/iio/adc/ti-ads1015.c index ed911776e283..6f22f46000e2 100644 --- a/drivers/iio/adc/ti-ads1015.c +++ b/drivers/iio/adc/ti-ads1015.c @@ -312,28 +312,18 @@ static int ads1015_set_scale(struct ads1015_data *data, struct iio_chan_spec const *chan, int scale, int uscale) { - int i, ret, rindex = -1; + int i; int fullscale = div_s64((scale * 1000000LL + uscale) << (chan->scan_type.realbits - 1), 1000000); for (i = 0; i < ARRAY_SIZE(ads1015_fullscale_range); i++) { if (ads1015_fullscale_range[i] == fullscale) { - rindex = i; - break; + data->channel_data[chan->address].pga = i; + return 0; } } - if (rindex < 0) - return -EINVAL; - - ret = regmap_update_bits(data->regmap, ADS1015_CFG_REG, - ADS1015_CFG_PGA_MASK, - rindex << ADS1015_CFG_PGA_SHIFT); - if (ret < 0) - return ret; - - data->channel_data[chan->address].pga = rindex; - return 0; + return -EINVAL; } static int ads1015_set_data_rate(struct ads1015_data *data, int chan, int rate) |