diff options
Diffstat (limited to 'drivers/staging/iio/impedance-analyzer/ad5933.c')
| -rw-r--r-- | drivers/staging/iio/impedance-analyzer/ad5933.c | 83 |
1 files changed, 55 insertions, 28 deletions
diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c index cd82b56d58af..a8e51bc04439 100644 --- a/drivers/staging/iio/impedance-analyzer/ad5933.c +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c @@ -19,9 +19,9 @@ #include <linux/module.h> #include <asm/div64.h> -#include "../iio.h" -#include "../sysfs.h" -#include "../buffer.h" +#include <linux/iio/iio.h> +#include <linux/iio/sysfs.h> +#include <linux/iio/buffer.h> #include "../ring_sw.h" #include "ad5933.h" @@ -109,15 +109,46 @@ static struct ad5933_platform_data ad5933_default_pdata = { }; static struct iio_chan_spec ad5933_channels[] = { - IIO_CHAN(IIO_TEMP, 0, 1, 1, NULL, 0, 0, 0, - 0, AD5933_REG_TEMP_DATA, IIO_ST('s', 14, 16, 0), 0), - /* Ring Channels */ - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, "real_raw", 0, 0, - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, - AD5933_REG_REAL_DATA, 0, IIO_ST('s', 16, 16, 0), 0), - IIO_CHAN(IIO_VOLTAGE, 0, 1, 0, "imag_raw", 0, 0, - IIO_CHAN_INFO_SCALE_SEPARATE_BIT, - AD5933_REG_IMAG_DATA, 1, IIO_ST('s', 16, 16, 0), 0), + { + .type = IIO_TEMP, + .indexed = 1, + .channel = 0, + .info_mask = IIO_CHAN_INFO_PROCESSED_SEPARATE_BIT, + .address = AD5933_REG_TEMP_DATA, + .scan_type = { + .sign = 's', + .realbits = 14, + .storagebits = 16, + }, + }, { /* Ring Channels */ + .type = IIO_VOLTAGE, + .indexed = 1, + .channel = 0, + .extend_name = "real_raw", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .address = AD5933_REG_REAL_DATA, + .scan_index = 0, + .scan_type = { + .sign = 's', + .realbits = 16, + .storagebits = 16, + }, + }, { + .type = IIO_VOLTAGE, + .indexed = 1, + .channel = 0, + .extend_name = "imag_raw", + .info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT | + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, + .address = AD5933_REG_IMAG_DATA, + .scan_index = 1, + .scan_type = { + .sign = 's', + .realbits = 16, + .storagebits = 16, + }, + }, }; static int ad5933_i2c_write(struct i2c_client *client, @@ -260,7 +291,7 @@ static ssize_t ad5933_show_frequency(struct device *dev, struct device_attribute *attr, char *buf) { - struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ad5933_state *st = iio_priv(indio_dev); struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); int ret; @@ -289,7 +320,7 @@ static ssize_t ad5933_store_frequency(struct device *dev, const char *buf, size_t len) { - struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ad5933_state *st = iio_priv(indio_dev); struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); long val; @@ -323,7 +354,7 @@ static ssize_t ad5933_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ad5933_state *st = iio_priv(indio_dev); struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); int ret = 0, len = 0; @@ -366,7 +397,7 @@ static ssize_t ad5933_store(struct device *dev, const char *buf, size_t len) { - struct iio_dev *indio_dev = dev_get_drvdata(dev); + struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct ad5933_state *st = iio_priv(indio_dev); struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); long val; @@ -495,7 +526,8 @@ static int ad5933_read_raw(struct iio_dev *indio_dev, mutex_lock(&indio_dev->mlock); switch (m) { - case 0: + case IIO_CHAN_INFO_RAW: + case IIO_CHAN_INFO_PROCESSED: if (iio_buffer_enabled(indio_dev)) { ret = -EBUSY; goto out; @@ -537,19 +569,14 @@ static const struct iio_info ad5933_info = { static int ad5933_ring_preenable(struct iio_dev *indio_dev) { struct ad5933_state *st = iio_priv(indio_dev); - size_t d_size; int ret; if (bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength)) return -EINVAL; - d_size = bitmap_weight(indio_dev->active_scan_mask, - indio_dev->masklength) * - ad5933_channels[1].scan_type.storagebits / 8; - - if (indio_dev->buffer->access->set_bytes_per_datum) - indio_dev->buffer->access-> - set_bytes_per_datum(indio_dev->buffer, d_size); + ret = iio_sw_buffer_preenable(indio_dev); + if (ret < 0) + return ret; ret = ad5933_reset(st); if (ret < 0) @@ -678,7 +705,7 @@ static int __devinit ad5933_probe(struct i2c_client *client, int ret, voltage_uv = 0; struct ad5933_platform_data *pdata = client->dev.platform_data; struct ad5933_state *st; - struct iio_dev *indio_dev = iio_allocate_device(sizeof(*st)); + struct iio_dev *indio_dev = iio_device_alloc(sizeof(*st)); if (indio_dev == NULL) return -ENOMEM; @@ -757,7 +784,7 @@ error_put_reg: if (!IS_ERR(st->reg)) regulator_put(st->reg); - iio_free_device(indio_dev); + iio_device_free(indio_dev); return ret; } @@ -774,7 +801,7 @@ static __devexit int ad5933_remove(struct i2c_client *client) regulator_disable(st->reg); regulator_put(st->reg); } - iio_free_device(indio_dev); + iio_device_free(indio_dev); return 0; } |