diff options
Diffstat (limited to 'drivers/staging/iio/impedance-analyzer/ad5933.c')
-rw-r--r-- | drivers/staging/iio/impedance-analyzer/ad5933.c | 43 |
1 files changed, 17 insertions, 26 deletions
diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c index 1086e0befc28..9a2ca55625f4 100644 --- a/drivers/staging/iio/impedance-analyzer/ad5933.c +++ b/drivers/staging/iio/impedance-analyzer/ad5933.c @@ -21,7 +21,7 @@ #include "../iio.h" #include "../sysfs.h" -#include "../buffer_generic.h" +#include "../buffer.h" #include "../ring_sw.h" #include "ad5933.h" @@ -113,10 +113,10 @@ static struct iio_chan_spec ad5933_channels[] = { 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, - (1 << IIO_CHAN_INFO_SCALE_SEPARATE), + 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, - (1 << IIO_CHAN_INFO_SCALE_SEPARATE), + IIO_CHAN_INFO_SCALE_SEPARATE_BIT, AD5933_REG_IMAG_DATA, 1, IIO_ST('s', 16, 16, 0), 0), }; @@ -329,7 +329,7 @@ static ssize_t ad5933_show(struct device *dev, int ret = 0, len = 0; mutex_lock(&indio_dev->mlock); - switch (this_attr->address) { + switch ((u32) this_attr->address) { case AD5933_OUT_RANGE: len = sprintf(buf, "%d\n", st->range_avail[(st->ctrl_hb >> 1) & 0x3]); @@ -380,7 +380,7 @@ static ssize_t ad5933_store(struct device *dev, } mutex_lock(&indio_dev->mlock); - switch (this_attr->address) { + switch ((u32) this_attr->address) { case AD5933_OUT_RANGE: for (i = 0; i < 4; i++) if (val == st->range_avail[i]) { @@ -537,14 +537,14 @@ 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); - struct iio_buffer *ring = indio_dev->buffer; size_t d_size; int ret; - if (!ring->scan_count) + if (bitmap_empty(indio_dev->active_scan_mask, indio_dev->masklength)) return -EINVAL; - d_size = ring->scan_count * + 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) @@ -611,7 +611,7 @@ static int ad5933_register_ring_funcs_and_init(struct iio_dev *indio_dev) indio_dev->buffer->access = &ring_sw_access_funcs; /* Ring buffer functions - here trigger setup related */ - indio_dev->buffer->setup_ops = &ad5933_ring_setup_ops; + indio_dev->setup_ops = &ad5933_ring_setup_ops; indio_dev->modes |= INDIO_BUFFER_HARDWARE; @@ -640,12 +640,14 @@ static void ad5933_work(struct work_struct *work) ad5933_i2c_read(st->client, AD5933_REG_STATUS, 1, &status); if (status & AD5933_STAT_DATA_VALID) { + int scan_count = bitmap_weight(indio_dev->active_scan_mask, + indio_dev->masklength); ad5933_i2c_read(st->client, - test_bit(1, ring->scan_mask) ? + test_bit(1, indio_dev->active_scan_mask) ? AD5933_REG_REAL_DATA : AD5933_REG_IMAG_DATA, - ring->scan_count * 2, (u8 *)buf); + scan_count * 2, (u8 *)buf); - if (ring->scan_count == 2) { + if (scan_count == 2) { buf[0] = be16_to_cpu(buf[0]); buf[1] = be16_to_cpu(buf[1]); } else { @@ -734,8 +736,8 @@ static int __devinit ad5933_probe(struct i2c_client *client, goto error_unreg_ring; /* enable both REAL and IMAG channels by default */ - iio_scan_mask_set(indio_dev->buffer, 0); - iio_scan_mask_set(indio_dev->buffer, 1); + iio_scan_mask_set(indio_dev, indio_dev->buffer, 0); + iio_scan_mask_set(indio_dev, indio_dev->buffer, 1); ret = ad5933_setup(st); if (ret) @@ -796,18 +798,7 @@ static struct i2c_driver ad5933_driver = { .remove = __devexit_p(ad5933_remove), .id_table = ad5933_id, }; - -static __init int ad5933_init(void) -{ - return i2c_add_driver(&ad5933_driver); -} -module_init(ad5933_init); - -static __exit void ad5933_exit(void) -{ - i2c_del_driver(&ad5933_driver); -} -module_exit(ad5933_exit); +module_i2c_driver(ad5933_driver); MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); MODULE_DESCRIPTION("Analog Devices AD5933 Impedance Conv. Network Analyzer"); |