@@ -28,6 +28,7 @@
#define AD7091R_REG_RESULT_CONV_RESULT(x) ((x) & 0xfff)
/* AD7091R_REG_CONF */
+#define AD7091R_REG_CONF_ALERT_EN BIT(4)
#define AD7091R_REG_CONF_AUTO BIT(8)
#define AD7091R_REG_CONF_CMD BIT(10)
@@ -232,6 +233,11 @@ int ad7091r_probe(struct device *dev, const char *name,
iio_dev->channels = chip_info->channels;
if (irq) {
+ ret = regmap_update_bits(st->map, AD7091R_REG_CONF,
+ AD7091R_REG_CONF_ALERT_EN, BIT(4));
+ if (ret)
+ return ret;
+
ret = devm_request_threaded_irq(dev, irq, NULL,
ad7091r_event_handler,
IRQF_TRIGGER_FALLING | IRQF_ONESHOT, name, iio_dev);
The ad7091r-base driver sets up an interrupt handler for firing events when inputs are either above or below a certain threshold. However, for the interrupt signal to come from the device it must be configured to enable the ALERT/BUSY/GPO pin to be used as ALERT, which was not being done until now. Enable interrupt signals on the ALERT/BUSY/GPO pin by setting the proper bit in the configuration register. Signed-off-by: Marcelo Schmitt <marcelo.schmitt@analog.com> --- drivers/iio/adc/ad7091r-base.c | 6 ++++++ 1 file changed, 6 insertions(+)