Support for register access was added for devices which have software
mode.
Signed-off-by: Beniamin Bia <beniamin.bia@xxxxxxxxxx>
Acked-by: Jonathan Cameron <jic23@xxxxxxxxxx>
---
Changes in v2:
-nothing changed
drivers/iio/adc/ad7606.c | 33 ++++++++++++++++++++++++++++++++-
1 file changed, 32 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/adc/ad7606.c b/drivers/iio/adc/ad7606.c
index be2330c8b277..ed2d08437e5d 100644
--- a/drivers/iio/adc/ad7606.c
+++ b/drivers/iio/adc/ad7606.c
@@ -60,6 +60,29 @@ static int ad7606_reset(struct ad7606_state *st)
return -ENODEV;
}
+static int ad7606_reg_access(struct iio_dev *indio_dev,
+ unsigned int reg,
+ unsigned int writeval,
+ unsigned int *readval)
+{
+ struct ad7606_state *st = iio_priv(indio_dev);
+ int ret;
+
+ mutex_lock(&st->lock);
+ if (readval) {
+ ret = st->bops->reg_read(st, reg);
+ if (ret < 0)
+ goto err_unlock;
+ *readval = ret;
+ ret = 0;
+ } else {
+ ret = st->bops->reg_write(st, reg, writeval);
+ }
+err_unlock:
+ mutex_unlock(&st->lock);
+ return ret;
+}
+
static int ad7606_read_samples(struct ad7606_state *st)
{
unsigned int num = st->chip_info->num_channels;
@@ -501,6 +524,14 @@ static const struct iio_info ad7606_info_os_and_range = {
.validate_trigger = &ad7606_validate_trigger,
};
+static const struct iio_info ad7606_info_os_range_and_debug = {
+ .read_raw = &ad7606_read_raw,
+ .write_raw = &ad7606_write_raw,
+ .debugfs_reg_access = &ad7606_reg_access,
+ .attrs = &ad7606_attribute_group_os_and_range,
+ .validate_trigger = &ad7606_validate_trigger,
+};
+
static const struct iio_info ad7606_info_os = {
.read_raw = &ad7606_read_raw,
.write_raw = &ad7606_write_raw,
@@ -617,7 +648,7 @@ int ad7606_probe(struct device *dev, int irq, void __iomem *base_address,
/* After reset, in software mode, ±10 V is set by default */
memset32(st->range, 2, ARRAY_SIZE(st->range));
- indio_dev->info = &ad7606_info_os_and_range;
+ indio_dev->info = &ad7606_info_os_range_and_debug;
ret = st->bops->sw_mode_config(indio_dev);
if (ret < 0)
--
2.17.1
