summaryrefslogtreecommitdiff
path: root/drivers/iio/light/rohm-bu27034.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iio/light/rohm-bu27034.c')
-rw-r--r--drivers/iio/light/rohm-bu27034.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/iio/light/rohm-bu27034.c b/drivers/iio/light/rohm-bu27034.c
index 25c9b79574a5..f85194fda6b0 100644
--- a/drivers/iio/light/rohm-bu27034.c
+++ b/drivers/iio/light/rohm-bu27034.c
@@ -231,6 +231,9 @@ struct bu27034_result {
static const struct regmap_range bu27034_volatile_ranges[] = {
{
+ .range_min = BU27034_REG_SYSTEM_CONTROL,
+ .range_max = BU27034_REG_SYSTEM_CONTROL,
+ }, {
.range_min = BU27034_REG_MODE_CONTROL4,
.range_max = BU27034_REG_MODE_CONTROL4,
}, {
@@ -1272,12 +1275,19 @@ static int bu27034_chip_init(struct bu27034_data *data)
int ret, sel;
/* Reset */
- ret = regmap_update_bits(data->regmap, BU27034_REG_SYSTEM_CONTROL,
+ ret = regmap_write_bits(data->regmap, BU27034_REG_SYSTEM_CONTROL,
BU27034_MASK_SW_RESET, BU27034_MASK_SW_RESET);
if (ret)
return dev_err_probe(data->dev, ret, "Sensor reset failed\n");
msleep(1);
+
+ ret = regmap_reinit_cache(data->regmap, &bu27034_regmap);
+ if (ret) {
+ dev_err(data->dev, "Failed to reinit reg cache\n");
+ return ret;
+ }
+
/*
* Read integration time here to ensure it is in regmap cache. We do
* this to speed-up the int-time acquisition in the start of the buffer