[PATCH v2 6/9] iio: adc: at91-sama5d2_adc: use devm_iio_triggered_buffer_setup_ext()

[Alexandru Ardelean]

This change switches to the new devm_iio_triggered_buffer_setup_ext()
function and removes the iio_buffer_set_attrs() call, for assigning the
HW FIFO attributes to the buffer.

Signed-off-by: Alexandru Ardelean <alexandru.ardel...@analog.com>
---
 drivers/iio/adc/at91-sama5d2_adc.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/iio/adc/at91-sama5d2_adc.c 
b/drivers/iio/adc/at91-sama5d2_adc.c
index b9c3cc6d5913..b012ce766f91 100644
--- a/drivers/iio/adc/at91-sama5d2_adc.c
+++ b/drivers/iio/adc/at91-sama5d2_adc.c
@@ -1665,11 +1665,17 @@ static int at91_adc_buffer_and_trigger_init(struct 
device *dev,
                                            struct iio_dev *indio)
 {
        struct at91_adc_state *st = iio_priv(indio);
+       const struct attribute **fifo_attrs;
        int ret;
 
-       ret = devm_iio_triggered_buffer_setup(&indio->dev, indio,
+       if (st->selected_trig->hw_trig)
+               fifo_attrs = at91_adc_fifo_attributes;
+       else
+               fifo_attrs = NULL;
+
+       ret = devm_iio_triggered_buffer_setup_ext(&indio->dev, indio,
                &iio_pollfunc_store_time,
-               &at91_adc_trigger_handler, &at91_buffer_setup_ops);
+               &at91_adc_trigger_handler, &at91_buffer_setup_ops, fifo_attrs);
        if (ret < 0) {
                dev_err(dev, "couldn't initialize the buffer.\n");
                return ret;
@@ -1678,8 +1684,6 @@ static int at91_adc_buffer_and_trigger_init(struct device 
*dev,
        if (!st->selected_trig->hw_trig)
                return 0;
 
-       iio_buffer_set_attrs(indio->buffer, at91_adc_fifo_attributes);
-
        st->trig = at91_adc_allocate_trigger(indio, st->selected_trig->name);
        if (IS_ERR(st->trig)) {
                dev_err(dev, "could not allocate trigger\n");
-- 
2.17.1