diff options
Diffstat (limited to 'drivers/staging/iio/dac')
| -rw-r--r-- | drivers/staging/iio/dac/max517.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/staging/iio/dac/max517.c b/drivers/staging/iio/dac/max517.c index 4974e70..7071f713 100644 --- a/drivers/staging/iio/dac/max517.c +++ b/drivers/staging/iio/dac/max517.c @@ -45,6 +45,7 @@ enum max517_device_ids { struct max517_data { struct iio_dev *indio_dev; + struct i2c_client *client; unsigned short vref_mv[2]; }; @@ -57,7 +58,9 @@ static ssize_t max517_set_value(struct device *dev, struct device_attribute *attr, const char *buf, size_t count, int channel) { - struct i2c_client *client = to_i2c_client(dev); + struct iio_dev *dev_info = dev_get_drvdata(dev); + struct max517_data *data = iio_dev_get_devdata(dev_info); + struct i2c_client *client = data->client; u8 outbuf[4]; /* 1x or 2x command + value */ int outbuf_size = 0; int res; @@ -147,7 +150,7 @@ static ssize_t max517_show_scale2(struct device *dev, } static IIO_DEVICE_ATTR(out2_scale, S_IRUGO, max517_show_scale2, NULL, 0); -/* On MAX517 variant, we have two outputs */ +/* On MAX517 variant, we have one output */ static struct attribute *max517_attributes[] = { &iio_dev_attr_out1_raw.dev_attr.attr, &iio_dev_attr_out1_scale.dev_attr.attr, @@ -158,7 +161,7 @@ static struct attribute_group max517_attribute_group = { .attrs = max517_attributes, }; -/* On MAX518 and MAX518 variant, we have two outputs */ +/* On MAX518 and MAX519 variant, we have two outputs */ static struct attribute *max518_attributes[] = { &iio_dev_attr_out1_raw.dev_attr.attr, &iio_dev_attr_out1_scale.dev_attr.attr, @@ -201,6 +204,8 @@ static int max517_probe(struct i2c_client *client, i2c_set_clientdata(client, data); + data->client = client; + data->indio_dev = iio_allocate_device(); if (data->indio_dev == NULL) { err = -ENOMEM; |
