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-rw-r--r--drivers/iio/adc/ti-ads1015.c18
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)
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