From: Nuno Sa <nuno.sa@xxxxxxxxxx>
Add a new axi_adc_read_chan_status() helper so we get the raw register
value out of it.
This is in preparation of a future change where we really want to look
into dedicated bits of the register.
Signed-off-by: Nuno Sa <nuno.sa@xxxxxxxxxx>
---
drivers/iio/adc/adi-axi-adc.c | 19 ++++++++++++++-----
1 file changed, 14 insertions(+), 5 deletions(-)
diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c
index f4cdfcca865d..442a87024e1a 100644
--- a/drivers/iio/adc/adi-axi-adc.c
+++ b/drivers/iio/adc/adi-axi-adc.c
@@ -208,12 +208,10 @@ static int axi_adc_test_pattern_set(struct iio_backend *back,
}
}
-static int axi_adc_chan_status(struct iio_backend *back, unsigned int chan,
- bool *error)
+static int axi_adc_read_chan_status(struct adi_axi_adc_state *st, unsigned int chan,
+ unsigned int *status)
{
- struct adi_axi_adc_state *st = iio_backend_get_priv(back);
int ret;
- u32 val;
guard(mutex)(&st->lock);
/* reset test bits by setting them */
@@ -225,7 +223,18 @@ static int axi_adc_chan_status(struct iio_backend *back, unsigned int chan,
/* let's give enough time to validate or erroring the incoming pattern */
fsleep(1000);
- ret = regmap_read(st->regmap, ADI_AXI_ADC_REG_CHAN_STATUS(chan), &val);
+ return regmap_read(st->regmap, ADI_AXI_ADC_REG_CHAN_STATUS(chan),
+ status);
+}
+
+static int axi_adc_chan_status(struct iio_backend *back, unsigned int chan,
+ bool *error)
+{
+ struct adi_axi_adc_state *st = iio_backend_get_priv(back);
+ u32 val;
+ int ret;
+
+ ret = axi_adc_read_chan_status(st, chan, &val);
if (ret)
return ret;
--
2.45.2
