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-rw-r--r--drivers/staging/iio/Kconfig9
-rw-r--r--drivers/staging/iio/adc/ad7291.c4
-rw-r--r--drivers/staging/iio/adc/mxs-lradc.c12
-rw-r--r--drivers/staging/iio/light/tsl2x7x_core.c8
4 files changed, 21 insertions, 12 deletions
diff --git a/drivers/staging/iio/Kconfig b/drivers/staging/iio/Kconfig
index b36feb080cba..fa38be0982f9 100644
--- a/drivers/staging/iio/Kconfig
+++ b/drivers/staging/iio/Kconfig
@@ -36,10 +36,11 @@ config IIO_SIMPLE_DUMMY_EVENTS
Add some dummy events to the simple dummy driver.
config IIO_SIMPLE_DUMMY_BUFFER
- boolean "Buffered capture support"
- select IIO_KFIFO_BUF
- help
- Add buffered data capture to the simple dummy driver.
+ boolean "Buffered capture support"
+ select IIO_BUFFER
+ select IIO_KFIFO_BUF
+ help
+ Add buffered data capture to the simple dummy driver.
endif # IIO_SIMPLE_DUMMY
diff --git a/drivers/staging/iio/adc/ad7291.c b/drivers/staging/iio/adc/ad7291.c
index 357cef2a6f4c..7194bd138762 100644
--- a/drivers/staging/iio/adc/ad7291.c
+++ b/drivers/staging/iio/adc/ad7291.c
@@ -465,7 +465,7 @@ static int ad7291_probe(struct i2c_client *client,
struct ad7291_platform_data *pdata = client->dev.platform_data;
struct ad7291_chip_info *chip;
struct iio_dev *indio_dev;
- int ret = 0;
+ int ret;
indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*chip));
if (!indio_dev)
@@ -475,7 +475,7 @@ static int ad7291_probe(struct i2c_client *client,
if (pdata && pdata->use_external_ref) {
chip->reg = devm_regulator_get(&client->dev, "vref");
if (IS_ERR(chip->reg))
- return ret;
+ return PTR_ERR(chip->reg);
ret = regulator_enable(chip->reg);
if (ret)
diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c
index dae8d1a9038e..52d7517b342e 100644
--- a/drivers/staging/iio/adc/mxs-lradc.c
+++ b/drivers/staging/iio/adc/mxs-lradc.c
@@ -846,6 +846,14 @@ static int mxs_lradc_read_single(struct iio_dev *iio_dev, int chan, int *val)
LRADC_CTRL1);
mxs_lradc_reg_clear(lradc, 0xff, LRADC_CTRL0);
+ /* Enable / disable the divider per requirement */
+ if (test_bit(chan, &lradc->is_divided))
+ mxs_lradc_reg_set(lradc, 1 << LRADC_CTRL2_DIVIDE_BY_TWO_OFFSET,
+ LRADC_CTRL2);
+ else
+ mxs_lradc_reg_clear(lradc,
+ 1 << LRADC_CTRL2_DIVIDE_BY_TWO_OFFSET, LRADC_CTRL2);
+
/* Clean the slot's previous content, then set new one. */
mxs_lradc_reg_clear(lradc, LRADC_CTRL4_LRADCSELECT_MASK(0),
LRADC_CTRL4);
@@ -961,15 +969,11 @@ static int mxs_lradc_write_raw(struct iio_dev *iio_dev,
if (val == scale_avail[MXS_LRADC_DIV_DISABLED].integer &&
val2 == scale_avail[MXS_LRADC_DIV_DISABLED].nano) {
/* divider by two disabled */
- writel(1 << LRADC_CTRL2_DIVIDE_BY_TWO_OFFSET,
- lradc->base + LRADC_CTRL2 + STMP_OFFSET_REG_CLR);
clear_bit(chan->channel, &lradc->is_divided);
ret = 0;
} else if (val == scale_avail[MXS_LRADC_DIV_ENABLED].integer &&
val2 == scale_avail[MXS_LRADC_DIV_ENABLED].nano) {
/* divider by two enabled */
- writel(1 << LRADC_CTRL2_DIVIDE_BY_TWO_OFFSET,
- lradc->base + LRADC_CTRL2 + STMP_OFFSET_REG_SET);
set_bit(chan->channel, &lradc->is_divided);
ret = 0;
}
diff --git a/drivers/staging/iio/light/tsl2x7x_core.c b/drivers/staging/iio/light/tsl2x7x_core.c
index 9e0f2a9c73ae..ab338e3ddd05 100644
--- a/drivers/staging/iio/light/tsl2x7x_core.c
+++ b/drivers/staging/iio/light/tsl2x7x_core.c
@@ -667,9 +667,13 @@ static int tsl2x7x_chip_on(struct iio_dev *indio_dev)
chip->tsl2x7x_config[TSL2X7X_PRX_COUNT] =
chip->tsl2x7x_settings.prox_pulse_count;
chip->tsl2x7x_config[TSL2X7X_PRX_MINTHRESHLO] =
- chip->tsl2x7x_settings.prox_thres_low;
+ (chip->tsl2x7x_settings.prox_thres_low) & 0xFF;
+ chip->tsl2x7x_config[TSL2X7X_PRX_MINTHRESHHI] =
+ (chip->tsl2x7x_settings.prox_thres_low >> 8) & 0xFF;
chip->tsl2x7x_config[TSL2X7X_PRX_MAXTHRESHLO] =
- chip->tsl2x7x_settings.prox_thres_high;
+ (chip->tsl2x7x_settings.prox_thres_high) & 0xFF;
+ chip->tsl2x7x_config[TSL2X7X_PRX_MAXTHRESHHI] =
+ (chip->tsl2x7x_settings.prox_thres_high >> 8) & 0xFF;
/* and make sure we're not already on */
if (chip->tsl2x7x_chip_status == TSL2X7X_CHIP_WORKING) {