summaryrefslogtreecommitdiff
path: root/drivers/iio/adc/at91-sama5d2_adc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iio/adc/at91-sama5d2_adc.c')
-rw-r--r--drivers/iio/adc/at91-sama5d2_adc.c33
1 files changed, 10 insertions, 23 deletions
diff --git a/drivers/iio/adc/at91-sama5d2_adc.c b/drivers/iio/adc/at91-sama5d2_adc.c
index 870f4cb60923..ed4f8501bda8 100644
--- a/drivers/iio/adc/at91-sama5d2_adc.c
+++ b/drivers/iio/adc/at91-sama5d2_adc.c
@@ -2193,32 +2193,19 @@ static ssize_t at91_adc_get_watermark(struct device *dev,
return scnprintf(buf, PAGE_SIZE, "%d\n", st->dma_st.watermark);
}
-static ssize_t hwfifo_watermark_min_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- return sysfs_emit(buf, "%s\n", "2");
-}
-
-static ssize_t hwfifo_watermark_max_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- return sysfs_emit(buf, "%s\n", AT91_HWFIFO_MAX_SIZE_STR);
-}
-
static IIO_DEVICE_ATTR(hwfifo_enabled, 0444,
at91_adc_get_fifo_state, NULL, 0);
static IIO_DEVICE_ATTR(hwfifo_watermark, 0444,
at91_adc_get_watermark, NULL, 0);
-static IIO_DEVICE_ATTR_RO(hwfifo_watermark_min, 0);
-static IIO_DEVICE_ATTR_RO(hwfifo_watermark_max, 0);
-
-static const struct attribute *at91_adc_fifo_attributes[] = {
- &iio_dev_attr_hwfifo_watermark_min.dev_attr.attr,
- &iio_dev_attr_hwfifo_watermark_max.dev_attr.attr,
- &iio_dev_attr_hwfifo_watermark.dev_attr.attr,
- &iio_dev_attr_hwfifo_enabled.dev_attr.attr,
+
+IIO_STATIC_CONST_DEVICE_ATTR(hwfifo_watermark_min, "2");
+IIO_STATIC_CONST_DEVICE_ATTR(hwfifo_watermark_max, AT91_HWFIFO_MAX_SIZE_STR);
+
+static const struct iio_dev_attr *at91_adc_fifo_attributes[] = {
+ &iio_dev_attr_hwfifo_watermark_min,
+ &iio_dev_attr_hwfifo_watermark_max,
+ &iio_dev_attr_hwfifo_watermark,
+ &iio_dev_attr_hwfifo_enabled,
NULL,
};
@@ -2235,7 +2222,7 @@ 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;
+ const struct iio_dev_attr **fifo_attrs;
int ret;
if (st->selected_trig->hw_trig)