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path: root/drivers/iio/adc
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Diffstat (limited to 'drivers/iio/adc')
-rw-r--r--drivers/iio/adc/lp8788_adc.c12
-rw-r--r--drivers/iio/adc/max1363.c12
2 files changed, 9 insertions, 15 deletions
diff --git a/drivers/iio/adc/lp8788_adc.c b/drivers/iio/adc/lp8788_adc.c
index f8bcb1f5892d..763f57565ee4 100644
--- a/drivers/iio/adc/lp8788_adc.c
+++ b/drivers/iio/adc/lp8788_adc.c
@@ -187,12 +187,6 @@ static int lp8788_iio_map_register(struct iio_dev *indio_dev,
return 0;
}
-static inline void lp8788_iio_map_unregister(struct iio_dev *indio_dev,
- struct lp8788_adc *adc)
-{
- iio_map_array_unregister(indio_dev, adc->map);
-}
-
static int lp8788_adc_probe(struct platform_device *pdev)
{
struct lp8788 *lp = dev_get_drvdata(pdev->dev.parent);
@@ -208,6 +202,7 @@ static int lp8788_adc_probe(struct platform_device *pdev)
adc->lp = lp;
platform_set_drvdata(pdev, indio_dev);
+ indio_dev->dev.of_node = pdev->dev.of_node;
ret = lp8788_iio_map_register(indio_dev, lp->pdata, adc);
if (ret)
goto err_iio_map;
@@ -230,7 +225,7 @@ static int lp8788_adc_probe(struct platform_device *pdev)
return 0;
err_iio_device:
- lp8788_iio_map_unregister(indio_dev, adc);
+ iio_map_array_unregister(indio_dev);
err_iio_map:
iio_device_free(indio_dev);
return ret;
@@ -239,10 +234,9 @@ err_iio_map:
static int lp8788_adc_remove(struct platform_device *pdev)
{
struct iio_dev *indio_dev = platform_get_drvdata(pdev);
- struct lp8788_adc *adc = iio_priv(indio_dev);
iio_device_unregister(indio_dev);
- lp8788_iio_map_unregister(indio_dev, adc);
+ iio_map_array_unregister(indio_dev);
iio_device_free(indio_dev);
return 0;
diff --git a/drivers/iio/adc/max1363.c b/drivers/iio/adc/max1363.c
index 5db56f5ce7dc..08e4feb4f6ee 100644
--- a/drivers/iio/adc/max1363.c
+++ b/drivers/iio/adc/max1363.c
@@ -335,7 +335,7 @@ static int max1363_read_single_chan(struct iio_dev *indio_dev,
{
int ret = 0;
s32 data;
- char rxbuf[2];
+ u8 rxbuf[2];
struct max1363_state *st = iio_priv(indio_dev);
struct i2c_client *client = st->client;
@@ -367,7 +367,8 @@ static int max1363_read_single_chan(struct iio_dev *indio_dev,
ret = data;
goto error_ret;
}
- data = (s32)(rxbuf[1]) | ((s32)(rxbuf[0] & 0x0F)) << 8;
+ data = (rxbuf[1] | rxbuf[0] << 8) &
+ ((1 << st->chip_info->bits) - 1);
} else {
/* Get reading */
data = i2c_master_recv(client, rxbuf, 1);
@@ -1496,6 +1497,7 @@ static int max1363_probe(struct i2c_client *client,
goto error_out;
}
+ indio_dev->dev.of_node = client->dev.of_node;
ret = iio_map_array_register(indio_dev, client->dev.platform_data);
if (ret < 0)
goto error_free_device;
@@ -1529,8 +1531,6 @@ static int max1363_probe(struct i2c_client *client,
indio_dev->num_channels = st->chip_info->num_channels;
indio_dev->info = st->chip_info->info;
indio_dev->modes = INDIO_DIRECT_MODE;
- indio_dev->channels = st->chip_info->channels;
- indio_dev->num_channels = st->chip_info->num_channels;
ret = max1363_initial_setup(st);
if (ret < 0)
goto error_free_available_scan_masks;
@@ -1569,7 +1569,7 @@ error_disable_reg:
error_put_reg:
regulator_put(st->reg);
error_unregister_map:
- iio_map_array_unregister(indio_dev, client->dev.platform_data);
+ iio_map_array_unregister(indio_dev);
error_free_device:
iio_device_free(indio_dev);
error_out:
@@ -1588,7 +1588,7 @@ static int max1363_remove(struct i2c_client *client)
kfree(indio_dev->available_scan_masks);
regulator_disable(st->reg);
regulator_put(st->reg);
- iio_map_array_unregister(indio_dev, client->dev.platform_data);
+ iio_map_array_unregister(indio_dev);
iio_device_free(indio_dev);
return 0;