summaryrefslogtreecommitdiff
path: root/drivers/staging/iio
diff options
context:
space:
mode:
authorBrian Masney <masneyb@onstation.org>2017-01-17 04:24:53 -0500
committerJonathan Cameron <jic23@kernel.org>2017-01-22 13:21:34 +0000
commitae1e5238f71ca76f79fa79bfb357ea1bbd1b85b8 (patch)
treee9a39c225ee5207fedcdb0a5f010d59b3c377719 /drivers/staging/iio
parent19140ae90484a89dc21ccea0cb077b80bf727019 (diff)
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>
Diffstat (limited to 'drivers/staging/iio')
-rw-r--r--drivers/staging/iio/light/isl29028.c31
1 files changed, 16 insertions, 15 deletions
diff --git a/drivers/staging/iio/light/isl29028.c b/drivers/staging/iio/light/isl29028.c
index 7074e629229a..bd85ccb1b120 100644
--- a/drivers/staging/iio/light/isl29028.c
+++ b/drivers/staging/iio/light/isl29028.c
@@ -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,
- ISL29028_CONF_PROX_SLP_MASK,
- sel << ISL29028_CONF_PROX_SLP_SH);
+ 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)