diff options
Diffstat (limited to 'drivers/iio/adc/ti-ads1015.c')
| -rw-r--r-- | drivers/iio/adc/ti-ads1015.c | 27 |
1 files changed, 10 insertions, 17 deletions
diff --git a/drivers/iio/adc/ti-ads1015.c b/drivers/iio/adc/ti-ads1015.c index cde6f130a99a..33bda2c5317c 100644 --- a/drivers/iio/adc/ti-ads1015.c +++ b/drivers/iio/adc/ti-ads1015.c @@ -251,9 +251,11 @@ int ads1015_get_adc_result(struct ads1015_data *data, int chan, int *val) ret = regmap_update_bits_check(data->regmap, ADS1015_CFG_REG, ADS1015_CFG_MUX_MASK | - ADS1015_CFG_PGA_MASK, + ADS1015_CFG_PGA_MASK | + ADS1015_CFG_DR_MASK, chan << ADS1015_CFG_MUX_SHIFT | - pga << ADS1015_CFG_PGA_SHIFT, + pga << ADS1015_CFG_PGA_SHIFT | + dr << ADS1015_CFG_DR_SHIFT, &change); if (ret < 0) return ret; @@ -324,25 +326,16 @@ static int ads1015_set_scale(struct ads1015_data *data, int chan, static int ads1015_set_data_rate(struct ads1015_data *data, int chan, int rate) { - int i, ret, rindex = -1; + int i; - for (i = 0; i < ARRAY_SIZE(ads1015_data_rate); i++) + for (i = 0; i < ARRAY_SIZE(ads1015_data_rate); i++) { if (data->data_rate[i] == rate) { - rindex = i; - break; + data->channel_data[chan].data_rate = i; + return 0; } - if (rindex < 0) - return -EINVAL; - - ret = regmap_update_bits(data->regmap, ADS1015_CFG_REG, - ADS1015_CFG_DR_MASK, - rindex << ADS1015_CFG_DR_SHIFT); - if (ret < 0) - return ret; - - data->channel_data[chan].data_rate = rindex; + } - return 0; + return -EINVAL; } static int ads1015_read_raw(struct iio_dev *indio_dev, |