iio: adc: ad7766: Use iio_trigger_generic_data_rdy_poll()

ad7766_irq() is identical to iio_trigger_generic_data_rdy_poll().

Use iio_trigger_generic_data_rdy_poll() instead of ad7766_irq().

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@intel.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

Author: Sebastian Andrzej Siewior

drivers/iio/adc/ad7766.c

@@ -184,12 +184,6 @@ static const struct iio_info ad7766_info = {
 	.read_raw = &ad7766_read_raw,
 };
 
-static irqreturn_t ad7766_irq(int irq, void *private)
-{
-	iio_trigger_poll(private);
-	return IRQ_HANDLED;
-}
-
 static int ad7766_set_trigger_state(struct iio_trigger *trig, bool enable)
 {
 	struct ad7766 *ad7766 = iio_trigger_get_drvdata(trig);
@@ -260,7 +254,7 @@ static int ad7766_probe(struct spi_device *spi)
 		 * Some platforms might not allow the option to power it down so
 		 * don't enable the interrupt to avoid extra load on the system
 		 */
-		ret = devm_request_irq(&spi->dev, spi->irq, ad7766_irq,
+		ret = devm_request_irq(&spi->dev, spi->irq, iio_trigger_generic_data_rdy_poll,
 				       IRQF_TRIGGER_FALLING | IRQF_NO_AUTOEN | IRQF_NO_THREAD,
 				       dev_name(&spi->dev),
 				       ad7766->trig);