Commit 1c412a32 authored by Stefan Popa's avatar Stefan Popa Committed by Jonathan Cameron
Browse files

iio: adxl372: Provide validate_trigger and validate_device callbacks 



This patch provides a validate_device callback for the trigger which makes
sure that other devices are rejected.

Signed-off-by: default avatarStefan Popa <stefan.popa@analog.com>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 1691d4ca

drivers/iio/accel/adxl372.c

+13 −0
Original line number Diff line number Diff line
@@ -762,11 +762,24 @@ static int adxl372_dready_trig_set_state(struct iio_trigger *trig, 
	return adxl372_set_interrupts(st, mask, 0);

}



static int adxl372_validate_trigger(struct iio_dev *indio_dev,

				    struct iio_trigger *trig)

{

	struct adxl372_state *st = iio_priv(indio_dev);



	if (st->dready_trig != trig)

		return -EINVAL;



	return 0;

}



static const struct iio_trigger_ops adxl372_trigger_ops = {

	.validate_device = &iio_trigger_validate_own_device,

	.set_trigger_state = adxl372_dready_trig_set_state,

};



static const struct iio_info adxl372_info = {

	.validate_trigger = &adxl372_validate_trigger,

	.read_raw = adxl372_read_raw,

	.debugfs_reg_access = &adxl372_reg_access,

	.hwfifo_set_watermark = adxl372_set_watermark,