From: Stefan Wahren <[email protected]>
commit 03305e535cd5cdc1079b32909bf4b2dd67d46f7f upstream.
Since commit c8231a9af8147f8a ("iio: mxs-lradc: compute temperature
from channel 8 and 9") with the removal of adc channel 9 there is
no 1-1 mapping in the channel spec.
All hwmon channel values above 9 are accessible via there index minus
one. So add a hidden iio channel 9 to fix this issue.
Signed-off-by: Stefan Wahren <[email protected]>
Acked-by: Alexandre Belloni <[email protected]>
Reviewed-by: Marek Vasut <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
drivers/staging/iio/adc/mxs-lradc.c | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/drivers/staging/iio/adc/mxs-lradc.c
b/drivers/staging/iio/adc/mxs-lradc.c
index 2a29b9b..59fe0c4 100644
--- a/drivers/staging/iio/adc/mxs-lradc.c
+++ b/drivers/staging/iio/adc/mxs-lradc.c
@@ -1404,6 +1404,13 @@ static const struct iio_chan_spec mxs_lradc_chan_spec[]
= {
.channel = 8,
.scan_type = {.sign = 'u', .realbits = 18, .storagebits = 32,},
},
+ /* Hidden channel to keep indexes */
+ {
+ .type = IIO_TEMP,
+ .indexed = 1,
+ .scan_index = -1,
+ .channel = 9,
+ },
MXS_ADC_CHAN(10, IIO_VOLTAGE), /* VDDIO */
MXS_ADC_CHAN(11, IIO_VOLTAGE), /* VTH */
MXS_ADC_CHAN(12, IIO_VOLTAGE), /* VDDA */
--
2.1.0
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