iio: adc: adi-axi-adc: define supported iio-backend capabilities

axi-adc and axi-ad485x backend variants provide calibration support,
whereas the axi-ad408x does not. Set accordingly.

Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: David Lechner <dlechner@baylibre.com>
Signed-off-by: Tomas Melin <tomas.melin@vaisala.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c
index 5f445e0de9eac7740c4b6b59eb0a00a0780e443d..ced0a2321ecfdf25d207a5005ca815c69a071eb3 100644 (file)
--- a/drivers/iio/adc/adi-axi-adc.c
+++ b/drivers/iio/adc/adi-axi-adc.c
@@ -621,6 +621,8 @@ static const struct iio_backend_ops adi_axi_adc_ops = {
 static const struct iio_backend_info adi_axi_adc_generic = {
        .name = "axi-adc",
        .ops = &adi_axi_adc_ops,
+       .caps = IIO_BACKEND_CAP_CALIBRATION | IIO_BACKEND_CAP_BUFFER |
+               IIO_BACKEND_CAP_ENABLE,
 };
 
 static const struct iio_backend_ops adi_ad485x_ops = {
@@ -645,6 +647,8 @@ static const struct iio_backend_ops adi_ad485x_ops = {
 static const struct iio_backend_info axi_ad485x = {
        .name = "axi-ad485x",
        .ops = &adi_ad485x_ops,
+       .caps = IIO_BACKEND_CAP_CALIBRATION | IIO_BACKEND_CAP_BUFFER |
+               IIO_BACKEND_CAP_ENABLE,
 };
 
 static const struct iio_backend_ops adi_ad408x_ops = {
@@ -665,6 +669,7 @@ static const struct iio_backend_ops adi_ad408x_ops = {
 static const struct iio_backend_info axi_ad408x = {
        .name = "axi-ad408x",
        .ops = &adi_ad408x_ops,
+       .caps = IIO_BACKEND_CAP_BUFFER | IIO_BACKEND_CAP_ENABLE,
 };
 
 static int adi_axi_adc_probe(struct platform_device *pdev)