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staging: iio: isl29028: move failure logging into isl29028_set_proxim_sampling() 

When isl29028_set_proxim_sampling() fails, it was up to both callers to
log the failure message. This patch moves the logging into
isl29028_set_proxim_sampling() to reduce the overall amount of code in
the driver.

Signed-off-by: Brian Masney <masneyb@onstation.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Brian Masney 2017-01-17 04:24:53 -05:00 committed by Jonathan Cameron
parent 19140ae904
commit ae1e5238f7
1 changed files with 16 additions and 15 deletions
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27
drivers/staging/iio/light/isl29028.c
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@ -78,18 +78,29 @@ struct isl29028_chip {
static int isl29028_set_proxim_sampling(struct isl29028_chip *chip,
unsigned int sampling)
{
struct device *dev = regmap_get_device(chip->regmap);
static unsigned int prox_period[] = {800, 400, 200, 100, 75, 50, 12, 0};
int sel;
unsigned int period = DIV_ROUND_UP(1000, sampling);
int sel, ret;
for (sel = 0; sel < ARRAY_SIZE(prox_period); ++sel) {
if (period >= prox_period[sel])
break;
}
return regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE,
ret = regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE,
ISL29028_CONF_PROX_SLP_MASK,
sel << ISL29028_CONF_PROX_SLP_SH);
if (ret < 0) {
dev_err(dev, "%s(): Error %d setting the proximity sampling\n",
__func__, ret);
return ret;
}
chip->prox_sampling = sampling;
return ret;
}
static int isl29028_enable_proximity(struct isl29028_chip *chip, bool enable)
@ -291,14 +302,6 @@ static int isl29028_write_raw(struct iio_dev *indio_dev,
}
ret = isl29028_set_proxim_sampling(chip, val);
if (ret < 0) {
dev_err(dev,
"Setting proximity samp_freq fail, err %d\n",
ret);
break;
}
chip->prox_sampling = val;
break;
case IIO_LIGHT:
if (mask != IIO_CHAN_INFO_SCALE) {
@ -437,10 +440,8 @@ static int isl29028_chip_init_and_power_on(struct isl29028_chip *chip)
}
ret = isl29028_set_proxim_sampling(chip, chip->prox_sampling);
if (ret < 0) {
dev_err(dev, "setting the proximity, err = %d\n", ret);
if (ret < 0)
return ret;
}
ret = isl29028_set_als_scale(chip, chip->lux_scale);
if (ret < 0)