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path: root/drivers/iio/light
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Diffstat (limited to 'drivers/iio/light')
-rw-r--r--drivers/iio/light/bh1750.c4
-rw-r--r--drivers/iio/light/cm36651.c2
-rw-r--r--drivers/iio/light/tcs3414.c30
3 files changed, 23 insertions, 13 deletions
diff --git a/drivers/iio/light/bh1750.c b/drivers/iio/light/bh1750.c
index 28347df78cff..adb5ab9e3439 100644
--- a/drivers/iio/light/bh1750.c
+++ b/drivers/iio/light/bh1750.c
@@ -59,9 +59,9 @@ struct bh1750_chip_info {
u16 int_time_low_mask;
u16 int_time_high_mask;
-}
+};
-static const bh1750_chip_info_tbl[] = {
+static const struct bh1750_chip_info bh1750_chip_info_tbl[] = {
[BH1710] = { 140, 1022, 300, 400, 250000000, 2, 0x001F, 0x03E0 },
[BH1721] = { 140, 1020, 300, 400, 250000000, 2, 0x0010, 0x03E0 },
[BH1750] = { 31, 254, 69, 1740, 57500000, 1, 0x001F, 0x00E0 },
diff --git a/drivers/iio/light/cm36651.c b/drivers/iio/light/cm36651.c
index 1019d625adb1..90e38fcc974b 100644
--- a/drivers/iio/light/cm36651.c
+++ b/drivers/iio/light/cm36651.c
@@ -532,7 +532,7 @@ static int cm36651_write_prox_event_config(struct iio_dev *indio_dev,
int state)
{
struct cm36651_data *cm36651 = iio_priv(indio_dev);
- int cmd, ret = -EINVAL;
+ int cmd, ret;
mutex_lock(&cm36651->lock);
diff --git a/drivers/iio/light/tcs3414.c b/drivers/iio/light/tcs3414.c
index 7c0291c5fe76..b542e5619ead 100644
--- a/drivers/iio/light/tcs3414.c
+++ b/drivers/iio/light/tcs3414.c
@@ -240,32 +240,42 @@ static const struct iio_info tcs3414_info = {
.attrs = &tcs3414_attribute_group,
};
-static int tcs3414_buffer_preenable(struct iio_dev *indio_dev)
+static int tcs3414_buffer_postenable(struct iio_dev *indio_dev)
{
struct tcs3414_data *data = iio_priv(indio_dev);
+ int ret;
+
+ ret = iio_triggered_buffer_postenable(indio_dev);
+ if (ret)
+ return ret;
data->control |= TCS3414_CONTROL_ADC_EN;
- return i2c_smbus_write_byte_data(data->client, TCS3414_CONTROL,
+ ret = i2c_smbus_write_byte_data(data->client, TCS3414_CONTROL,
data->control);
+ if (ret)
+ iio_triggered_buffer_predisable(indio_dev);
+
+ return ret;
}
static int tcs3414_buffer_predisable(struct iio_dev *indio_dev)
{
struct tcs3414_data *data = iio_priv(indio_dev);
- int ret;
-
- ret = iio_triggered_buffer_predisable(indio_dev);
- if (ret < 0)
- return ret;
+ int ret, ret2;
data->control &= ~TCS3414_CONTROL_ADC_EN;
- return i2c_smbus_write_byte_data(data->client, TCS3414_CONTROL,
+ ret = i2c_smbus_write_byte_data(data->client, TCS3414_CONTROL,
data->control);
+
+ ret2 = iio_triggered_buffer_predisable(indio_dev);
+ if (!ret)
+ ret = ret2;
+
+ return ret;
}
static const struct iio_buffer_setup_ops tcs3414_buffer_setup_ops = {
- .preenable = tcs3414_buffer_preenable,
- .postenable = &iio_triggered_buffer_postenable,
+ .postenable = tcs3414_buffer_postenable,
.predisable = tcs3414_buffer_predisable,
};