Commit ae148e51 authored by Alison Schofield's avatar Alison Schofield Committed by Jonathan Cameron

iio: light: isl29125: use iio helper function to guarantee direct mode

Replace the code that guarantees the device stays in direct mode
with iio_device_claim_direct_mode() which does same.  This allows
removal of an unused lock in the device private global data.
Signed-off-by: default avatarAlison Schofield <amsfield22@gmail.com>
Cc: Daniel Baluta <daniel.baluta@gmail.com>
Acked-by: default avatarPeter Meerwald-Stadler <pmeerw@pmeerw.net>
Signed-off-by: default avatarJonathan Cameron <jic23@kernel.org>
parent 95bd363b
...@@ -50,7 +50,6 @@ ...@@ -50,7 +50,6 @@
struct isl29125_data { struct isl29125_data {
struct i2c_client *client; struct i2c_client *client;
struct mutex lock;
u8 conf1; u8 conf1;
u16 buffer[8]; /* 3x 16-bit, padding, 8 bytes timestamp */ u16 buffer[8]; /* 3x 16-bit, padding, 8 bytes timestamp */
}; };
...@@ -128,11 +127,11 @@ static int isl29125_read_raw(struct iio_dev *indio_dev, ...@@ -128,11 +127,11 @@ static int isl29125_read_raw(struct iio_dev *indio_dev,
switch (mask) { switch (mask) {
case IIO_CHAN_INFO_RAW: case IIO_CHAN_INFO_RAW:
if (iio_buffer_enabled(indio_dev)) ret = iio_device_claim_direct_mode(indio_dev);
return -EBUSY; if (ret)
mutex_lock(&data->lock); return ret;
ret = isl29125_read_data(data, chan->scan_index); ret = isl29125_read_data(data, chan->scan_index);
mutex_unlock(&data->lock); iio_device_release_direct_mode(indio_dev);
if (ret < 0) if (ret < 0)
return ret; return ret;
*val = ret; *val = ret;
...@@ -259,7 +258,6 @@ static int isl29125_probe(struct i2c_client *client, ...@@ -259,7 +258,6 @@ static int isl29125_probe(struct i2c_client *client,
data = iio_priv(indio_dev); data = iio_priv(indio_dev);
i2c_set_clientdata(client, indio_dev); i2c_set_clientdata(client, indio_dev);
data->client = client; data->client = client;
mutex_init(&data->lock);
indio_dev->dev.parent = &client->dev; indio_dev->dev.parent = &client->dev;
indio_dev->info = &isl29125_info; indio_dev->info = &isl29125_info;
......
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