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-rw-r--r--drivers/iio/imu/adis16400_buffer.c7
-rw-r--r--drivers/iio/imu/adis16400_core.c8
2 files changed, 11 insertions, 4 deletions
diff --git a/drivers/iio/imu/adis16400_buffer.c b/drivers/iio/imu/adis16400_buffer.c
index 268349eb51c7..199bd72348eb 100644
--- a/drivers/iio/imu/adis16400_buffer.c
+++ b/drivers/iio/imu/adis16400_buffer.c
@@ -22,7 +22,7 @@ int adis16400_update_scan_mode(struct iio_dev *indio_dev,
unsigned int burst_length;
u8 *tx;
- if (st->variant->flags & ADIS16400_NO_BURST)
+ if (!adis->burst || !adis->burst->en)
return adis_update_scan_mode(indio_dev, scan_mask);
kfree(adis->xfer);
@@ -30,8 +30,7 @@ int adis16400_update_scan_mode(struct iio_dev *indio_dev,
/* All but the timestamp channel */
burst_length = (indio_dev->num_channels - 1) * sizeof(u16);
- if (st->variant->flags & ADIS16400_BURST_DIAG_STAT)
- burst_length += sizeof(u16);
+ burst_length += adis->burst->extra_len;
adis->xfer = kcalloc(2, sizeof(*adis->xfer), GFP_KERNEL);
if (!adis->xfer)
@@ -42,7 +41,7 @@ int adis16400_update_scan_mode(struct iio_dev *indio_dev,
return -ENOMEM;
tx = adis->buffer + burst_length;
- tx[0] = ADIS_READ_REG(ADIS16400_GLOB_CMD);
+ tx[0] = ADIS_READ_REG(adis->burst->reg_cmd);
tx[1] = 0;
adis->xfer[0].tx_buf = tx;
diff --git a/drivers/iio/imu/adis16400_core.c b/drivers/iio/imu/adis16400_core.c
index f9cb9e11e636..093c809dae50 100644
--- a/drivers/iio/imu/adis16400_core.c
+++ b/drivers/iio/imu/adis16400_core.c
@@ -146,6 +146,11 @@ enum adis16400_chip_variant {
ADIS16448,
};
+static struct adis_burst adis16400_burst = {
+ .en = true,
+ .reg_cmd = ADIS16400_GLOB_CMD,
+};
+
static int adis16334_get_freq(struct adis16400_state *st)
{
int ret;
@@ -972,6 +977,9 @@ static int adis16400_probe(struct spi_device *spi)
if (!(st->variant->flags & ADIS16400_NO_BURST)) {
adis16400_setup_chan_mask(st);
indio_dev->available_scan_masks = st->avail_scan_mask;
+ st->adis.burst = &adis16400_burst;
+ if (st->variant->flags & ADIS16400_BURST_DIAG_STAT)
+ st->adis.burst->extra_len = sizeof(u16);
}
ret = adis_init(&st->adis, indio_dev, spi, &adis16400_data);