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path: root/drivers/iio/light/vcnl4035.c
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Diffstat (limited to 'drivers/iio/light/vcnl4035.c')
-rw-r--r--drivers/iio/light/vcnl4035.c46
1 files changed, 28 insertions, 18 deletions
diff --git a/drivers/iio/light/vcnl4035.c b/drivers/iio/light/vcnl4035.c
index 56bbefbc0ae6..b2bede9d3daa 100644
--- a/drivers/iio/light/vcnl4035.c
+++ b/drivers/iio/light/vcnl4035.c
@@ -105,7 +105,7 @@ static irqreturn_t vcnl4035_trigger_consumer_handler(int irq, void *p)
struct iio_dev *indio_dev = pf->indio_dev;
struct vcnl4035_data *data = iio_priv(indio_dev);
/* Ensure naturally aligned timestamp */
- u8 buffer[ALIGN(sizeof(u16), sizeof(s64)) + sizeof(s64)] __aligned(8);
+ u8 buffer[ALIGN(sizeof(u16), sizeof(s64)) + sizeof(s64)] __aligned(8) = { };
int ret;
ret = regmap_read(data->regmap, VCNL4035_ALS_DATA, (int *)buffer);
@@ -156,6 +156,31 @@ static int vcnl4035_set_pm_runtime_state(struct vcnl4035_data *data, bool on)
return ret;
}
+static int vcnl4035_read_info_raw(struct iio_dev *indio_dev,
+ struct iio_chan_spec const *chan, int *val)
+{
+ struct vcnl4035_data *data = iio_priv(indio_dev);
+ int ret;
+ int raw_data;
+ unsigned int reg;
+
+ if (!iio_device_claim_direct(indio_dev))
+ return -EBUSY;
+
+ if (chan->channel)
+ reg = VCNL4035_ALS_DATA;
+ else
+ reg = VCNL4035_WHITE_DATA;
+ ret = regmap_read(data->regmap, reg, &raw_data);
+ iio_device_release_direct(indio_dev);
+ if (ret)
+ return ret;
+
+ *val = raw_data;
+
+ return IIO_VAL_INT;
+}
+
/*
* Device IT INT Time (ms) Scale (lux/step)
* 000 50 0.064
@@ -175,28 +200,13 @@ static int vcnl4035_read_raw(struct iio_dev *indio_dev,
{
struct vcnl4035_data *data = iio_priv(indio_dev);
int ret;
- int raw_data;
- unsigned int reg;
switch (mask) {
case IIO_CHAN_INFO_RAW:
ret = vcnl4035_set_pm_runtime_state(data, true);
if (ret < 0)
return ret;
-
- ret = iio_device_claim_direct_mode(indio_dev);
- if (!ret) {
- if (chan->channel)
- reg = VCNL4035_ALS_DATA;
- else
- reg = VCNL4035_WHITE_DATA;
- ret = regmap_read(data->regmap, reg, &raw_data);
- iio_device_release_direct_mode(indio_dev);
- if (!ret) {
- *val = raw_data;
- ret = IIO_VAL_INT;
- }
- }
+ ret = vcnl4035_read_info_raw(indio_dev, chan, val);
vcnl4035_set_pm_runtime_state(data, false);
return ret;
case IIO_CHAN_INFO_INT_TIME:
@@ -653,7 +663,7 @@ static DEFINE_RUNTIME_DEV_PM_OPS(vcnl4035_pm_ops, vcnl4035_runtime_suspend,
vcnl4035_runtime_resume, NULL);
static const struct i2c_device_id vcnl4035_id[] = {
- { "vcnl4035", 0 },
+ { "vcnl4035" },
{ }
};
MODULE_DEVICE_TABLE(i2c, vcnl4035_id);