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(IIO_VOLTAGE, 0, 1, 0, "real", 0, 0,
(1 << IIO_CHAN_INFO_SCALE_SEPARATE),
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(IIO_VOLTAGE, 0, 1, 0, "imag", 0, 0,
(1 << IIO_CHAN_INFO_SCALE_SEPARATE),
AD5933_REG_IMAG_DATA, 1, IIO_ST('s', 16, 16, 0), 0),
};
struct iio_buffer *ring = indio_dev->buffer;
signed short buf[2];
unsigned char status;
+ int ret;
mutex_lock(&indio_dev->mlock);
if (st->state == AD5933_CTRL_INIT_START_FREQ) {
ad5933_cmd(st, AD5933_CTRL_START_SWEEP);
st->state = AD5933_CTRL_START_SWEEP;
schedule_delayed_work(&st->work, st->poll_time_jiffies);
- mutex_unlock(&indio_dev->mlock);
- return;
+ goto out;
}
- ad5933_i2c_read(st->client, AD5933_REG_STATUS, 1, &status);
+ ret = ad5933_i2c_read(st->client, AD5933_REG_STATUS, 1, &status);
+ if (ret)
+ goto out;
if (status & AD5933_STAT_DATA_VALID) {
- ad5933_i2c_read(st->client,
+ ret = ad5933_i2c_read(st->client,
test_bit(1, ring->scan_mask) ?
AD5933_REG_REAL_DATA : AD5933_REG_IMAG_DATA,
ring->scan_count * 2, (u8 *)buf);
+ if (ret)
+ goto out;
if (ring->scan_count == 2) {
buf[0] = be16_to_cpu(buf[0]);
} else {
/* no data available - try again later */
schedule_delayed_work(&st->work, st->poll_time_jiffies);
- mutex_unlock(&indio_dev->mlock);
- return;
+ goto out;
}
if (status & AD5933_STAT_SWEEP_DONE) {
ad5933_cmd(st, AD5933_CTRL_INC_FREQ);
schedule_delayed_work(&st->work, st->poll_time_jiffies);
}
-
+out:
mutex_unlock(&indio_dev->mlock);
}