diff options
Diffstat (limited to 'drivers/hwmon/ntc_thermistor.c')
| -rw-r--r-- | drivers/hwmon/ntc_thermistor.c | 37 |
1 files changed, 26 insertions, 11 deletions
diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c index 8c23203915a..ae66f42c4d6 100644 --- a/drivers/hwmon/ntc_thermistor.c +++ b/drivers/hwmon/ntc_thermistor.c @@ -44,6 +44,7 @@ struct ntc_compensation { unsigned int ohm; }; +/* Order matters, ntc_match references the entries by index */ static const struct platform_device_id ntc_thermistor_id[] = { { "ncp15wb473", TYPE_NCPXXWB473 }, { "ncp18wb473", TYPE_NCPXXWB473 }, @@ -141,11 +142,11 @@ struct ntc_data { char name[PLATFORM_NAME_SIZE]; }; -#ifdef CONFIG_OF +#if defined(CONFIG_OF) && IS_ENABLED(CONFIG_IIO) static int ntc_adc_iio_read(struct ntc_thermistor_platform_data *pdata) { struct iio_channel *channel = pdata->chan; - unsigned int result; + s64 result; int val, ret; ret = iio_read_channel_raw(channel, &val); @@ -155,23 +156,35 @@ static int ntc_adc_iio_read(struct ntc_thermistor_platform_data *pdata) } /* unit: mV */ - result = pdata->pullup_uv * val; + result = pdata->pullup_uv * (s64) val; result >>= 12; - return result; + return (int)result; } static const struct of_device_id ntc_match[] = { + { .compatible = "murata,ncp15wb473", + .data = &ntc_thermistor_id[0] }, + { .compatible = "murata,ncp18wb473", + .data = &ntc_thermistor_id[1] }, + { .compatible = "murata,ncp21wb473", + .data = &ntc_thermistor_id[2] }, + { .compatible = "murata,ncp03wb473", + .data = &ntc_thermistor_id[3] }, + { .compatible = "murata,ncp15wl333", + .data = &ntc_thermistor_id[4] }, + + /* Usage of vendor name "ntc" is deprecated */ { .compatible = "ntc,ncp15wb473", - .data = &ntc_thermistor_id[TYPE_NCPXXWB473] }, + .data = &ntc_thermistor_id[0] }, { .compatible = "ntc,ncp18wb473", - .data = &ntc_thermistor_id[TYPE_NCPXXWB473] }, + .data = &ntc_thermistor_id[1] }, { .compatible = "ntc,ncp21wb473", - .data = &ntc_thermistor_id[TYPE_NCPXXWB473] }, + .data = &ntc_thermistor_id[2] }, { .compatible = "ntc,ncp03wb473", - .data = &ntc_thermistor_id[TYPE_NCPXXWB473] }, + .data = &ntc_thermistor_id[3] }, { .compatible = "ntc,ncp15wl333", - .data = &ntc_thermistor_id[TYPE_NCPXXWL333] }, + .data = &ntc_thermistor_id[4] }, { }, }; MODULE_DEVICE_TABLE(of, ntc_match); @@ -223,6 +236,8 @@ ntc_thermistor_parse_dt(struct platform_device *pdev) return NULL; } +#define ntc_match NULL + static void ntc_iio_channel_release(struct ntc_thermistor_platform_data *pdata) { } #endif @@ -497,7 +512,7 @@ static int ntc_thermistor_probe(struct platform_device *pdev) } dev_info(&pdev->dev, "Thermistor type: %s successfully probed.\n", - pdev->name); + pdev_id->name); return 0; err_after_sysfs: @@ -531,7 +546,7 @@ static struct platform_driver ntc_thermistor_driver = { module_platform_driver(ntc_thermistor_driver); -MODULE_DESCRIPTION("NTC Thermistor Driver"); +MODULE_DESCRIPTION("NTC Thermistor Driver from Murata"); MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:ntc-thermistor"); |