diff --git a/drivers/power/supply/generic-adc-battery.c b/drivers/power/supply/generic-adc-battery.c
index df1c0a1..2fa946c9 100644
--- a/drivers/power/supply/generic-adc-battery.c
+++ b/drivers/power/supply/generic-adc-battery.c
@@ -92,7 +92,7 @@ static int read_channel(struct gab *adc_bat, enum gab_chan_type channel,
 
 	ret = iio_read_channel_processed(adc_bat->channel[channel], result);
 	if (ret < 0)
-		pr_err("read channel error\n");
+		dev_err(&adc_bat->psy->dev, "read channel error: %d\n", ret);
 	else
 		*result *= 1000;