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iio:imu:adis16480: fix buffering for devices with no burst mode 

The trigger handler defined in the driver assumes that burst mode is
being used. Hence, for devices that do not support it, we have to use
the adis library default trigger implementation.

Tested-by: Julia Pineda <julia.pineda@analog.com>
Fixes: 941f130881 ("iio: adis16480: support burst read function")
Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Link: https://lore.kernel.org/r/20220114132608.241-1-nuno.sa@analog.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Nuno Sá 2022-01-14 14:26:08 +01:00 committed by Jonathan Cameron
parent 0e33d15f1d
commit b0e85f95e3
1 changed files with 6 additions and 1 deletions
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7
drivers/iio/imu/adis16480.c
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@ -1403,6 +1403,7 @@ static int adis16480_probe(struct spi_device *spi)
{
const struct spi_device_id *id = spi_get_device_id(spi);
const struct adis_data *adis16480_data;
irq_handler_t trigger_handler = NULL;
struct iio_dev *indio_dev;
struct adis16480 *st;
int ret;
@ -1474,8 +1475,12 @@ static int adis16480_probe(struct spi_device *spi)
st->clk_freq = st->chip_info->int_clk;
}
/* Only use our trigger handler if burst mode is supported */
if (adis16480_data->burst_len)
trigger_handler = adis16480_trigger_handler;
ret = devm_adis_setup_buffer_and_trigger(&st->adis, indio_dev,
adis16480_trigger_handler);
trigger_handler);
if (ret)
return ret;