Scale was returned for currently active channel instead of the specified
channel.
Signed-off-by: Mitja Spes <mitja@xxxxxxxxx>
Fixes: 07914c84ba30 ("iio: adc: Add driver for Microchip MCP3422/3/4 high resolution ADC")
---
drivers/iio/adc/mcp3422.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/iio/adc/mcp3422.c b/drivers/iio/adc/mcp3422.c
index da353dcb1e9d..3d53de300c89 100644
--- a/drivers/iio/adc/mcp3422.c
+++ b/drivers/iio/adc/mcp3422.c
@@ -164,8 +164,9 @@ static int mcp3422_read_raw(struct iio_dev *iio,
struct mcp3422 *adc = iio_priv(iio);
int err;
+ u8 req_channel = channel->channel;
u8 sample_rate = MCP3422_SAMPLE_RATE(adc->config);
- u8 pga = MCP3422_PGA(adc->config);
+ u8 pga = adc->pga[req_channel];
switch (mask) {
case IIO_CHAN_INFO_RAW:
@@ -175,7 +176,6 @@ static int mcp3422_read_raw(struct iio_dev *iio,
return IIO_VAL_INT;
case IIO_CHAN_INFO_SCALE:
-
*val1 = 0;
*val2 = mcp3422_scales[sample_rate][pga];
return IIO_VAL_INT_PLUS_NANO;
--
2.34.1
