The current code does not allow to set MD to 0 to sample AUX0, fix it for the JZ4760(B).
Signed-off-by: citral23 <cbranchereau@xxxxxxxxx>
---
drivers/iio/adc/ingenic-adc.c | 20 ++++++++++++++++----
1 file changed, 16 insertions(+), 4 deletions(-)
diff --git a/drivers/iio/adc/ingenic-adc.c b/drivers/iio/adc/ingenic-adc.c
index 618150475421..1edaae439a32 100644
--- a/drivers/iio/adc/ingenic-adc.c
+++ b/drivers/iio/adc/ingenic-adc.c
@@ -632,7 +632,7 @@ static int ingenic_adc_read_chan_info_raw(struct iio_dev *iio_dev,
struct iio_chan_spec const *chan,
int *val)
{
- int bit, ret, engine = (chan->channel == INGENIC_ADC_BATTERY);
+ int cmd, ret, engine = (chan->channel == INGENIC_ADC_BATTERY);
struct ingenic_adc *adc = iio_priv(iio_dev);
ret = clk_enable(adc->clk);
@@ -642,11 +642,22 @@ static int ingenic_adc_read_chan_info_raw(struct iio_dev *iio_dev,
return ret;
}
- /* We cannot sample AUX/AUX2 in parallel. */
+ /* We cannot sample the aux channels in parallel. */
mutex_lock(&adc->aux_lock);
if (adc->soc_data->has_aux_md && engine == 0) {
- bit = BIT(chan->channel == INGENIC_ADC_AUX2);
- ingenic_adc_set_config(adc, JZ_ADC_REG_CFG_AUX_MD, bit);
+ switch (chan->channel) {
+ case INGENIC_ADC_AUX0:
+ cmd = 0;
+ break;
+ case INGENIC_ADC_AUX:
+ cmd = 1;
+ break;
+ case INGENIC_ADC_AUX2:
+ cmd = 2;
+ break;
+ }
+
+ ingenic_adc_set_config(adc, JZ_ADC_REG_CFG_AUX_MD, cmd);
}
ret = ingenic_adc_capture(adc, engine);
@@ -654,6 +665,7 @@ static int ingenic_adc_read_chan_info_raw(struct iio_dev *iio_dev,
goto out;
switch (chan->channel) {
+ case INGENIC_ADC_AUX0:
case INGENIC_ADC_AUX:
case INGENIC_ADC_AUX2:
*val = readw(adc->base + JZ_ADC_REG_ADSDAT);
--
2.30.2
