diff options
Diffstat (limited to 'drivers/thermal/thermal-generic-adc.c')
| -rw-r--r-- | drivers/thermal/thermal-generic-adc.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/thermal/thermal-generic-adc.c b/drivers/thermal/thermal-generic-adc.c index ae5743c9a894..73665c3ccfe0 100644 --- a/drivers/thermal/thermal-generic-adc.c +++ b/drivers/thermal/thermal-generic-adc.c @@ -76,13 +76,17 @@ static int gadc_thermal_read_linear_lookup_table(struct device *dev, struct gadc_thermal_info *gti) { struct device_node *np = dev->of_node; + enum iio_chan_type chan_type; int ntable; int ret; ntable = of_property_count_elems_of_size(np, "temperature-lookup-table", sizeof(u32)); if (ntable <= 0) { - dev_notice(dev, "no lookup table, assuming DAC channel returns milliCelcius\n"); + ret = iio_get_channel_type(gti->channel, &chan_type); + if (ret || chan_type != IIO_TEMP) + dev_notice(dev, + "no lookup table, assuming DAC channel returns milliCelcius\n"); return 0; } @@ -124,13 +128,6 @@ static int gadc_thermal_probe(struct platform_device *pdev) if (!gti) return -ENOMEM; - ret = gadc_thermal_read_linear_lookup_table(&pdev->dev, gti); - if (ret < 0) - return ret; - - gti->dev = &pdev->dev; - platform_set_drvdata(pdev, gti); - gti->channel = devm_iio_channel_get(&pdev->dev, "sensor-channel"); if (IS_ERR(gti->channel)) { ret = PTR_ERR(gti->channel); @@ -139,6 +136,13 @@ static int gadc_thermal_probe(struct platform_device *pdev) return ret; } + ret = gadc_thermal_read_linear_lookup_table(&pdev->dev, gti); + if (ret < 0) + return ret; + + gti->dev = &pdev->dev; + platform_set_drvdata(pdev, gti); + gti->tz_dev = devm_thermal_zone_of_sensor_register(&pdev->dev, 0, gti, &gadc_thermal_ops); if (IS_ERR(gti->tz_dev)) { |