diff --git a/Documentation/hwmon/chipcap2.rst b/Documentation/hwmon/chipcap2.rst index dc165becc64c..c38d87b91b69 100644 --- a/Documentation/hwmon/chipcap2.rst +++ b/Documentation/hwmon/chipcap2.rst @@ -70,4 +70,6 @@ humidity1_min_hyst: RW humidity low hystersis humidity1_max_hyst: RW humidity high hystersis humidity1_min_alarm: RO humidity low alarm indicator humidity1_max_alarm: RO humidity high alarm indicator +humidity1_label: RO descriptive name for the sensor +temp1_label: RO descriptive name for the sensor =============================== ======= ======================================== diff --git a/drivers/hwmon/chipcap2.c b/drivers/hwmon/chipcap2.c index 4aecf463180f..086571d556b7 100644 --- a/drivers/hwmon/chipcap2.c +++ b/drivers/hwmon/chipcap2.c @@ -22,6 +22,8 @@ #include #include #include +#include +#include #define CC2_START_CM 0xA0 #define CC2_START_NOM 0x80 @@ -83,6 +85,7 @@ struct cc2_data { struct i2c_client *client; struct regulator *regulator; const char *name; + const char *label; int irq_ready; int irq_low; int irq_high; @@ -449,6 +452,8 @@ static umode_t cc2_is_visible(const void *data, enum hwmon_sensor_types type, switch (attr) { case hwmon_humidity_input: return 0444; + case hwmon_humidity_label: + return cc2->label ? 0444 : 0; case hwmon_humidity_min_alarm: return cc2->rh_alarm.low_alarm_visible ? 0444 : 0; case hwmon_humidity_max_alarm: @@ -466,6 +471,8 @@ static umode_t cc2_is_visible(const void *data, enum hwmon_sensor_types type, switch (attr) { case hwmon_temp_input: return 0444; + case hwmon_temp_label: + return cc2->label ? 0444 : 0; default: return 0; } @@ -552,6 +559,16 @@ static int cc2_humidity_max_alarm_status(struct cc2_data *data, long *val) return 0; } +static int cc2_read_string(struct device *dev, enum hwmon_sensor_types type, + u32 attr, int channel, const char **str) +{ + struct cc2_data *data = dev_get_drvdata(dev); + + *str = data->label; + + return 0; +} + static int cc2_read(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, long *val) { @@ -670,8 +687,9 @@ static int cc2_request_alarm_irqs(struct cc2_data *data, struct device *dev) } static const struct hwmon_channel_info *cc2_info[] = { - HWMON_CHANNEL_INFO(temp, HWMON_T_INPUT), - HWMON_CHANNEL_INFO(humidity, HWMON_H_INPUT | HWMON_H_MIN | HWMON_H_MAX | + HWMON_CHANNEL_INFO(temp, HWMON_T_INPUT | HWMON_T_LABEL), + HWMON_CHANNEL_INFO(humidity, HWMON_H_INPUT | HWMON_H_LABEL | + HWMON_H_MIN | HWMON_H_MAX | HWMON_H_MIN_HYST | HWMON_H_MAX_HYST | HWMON_H_MIN_ALARM | HWMON_H_MAX_ALARM), NULL @@ -680,6 +698,7 @@ static const struct hwmon_channel_info *cc2_info[] = { static const struct hwmon_ops cc2_hwmon_ops = { .is_visible = cc2_is_visible, .read = cc2_read, + .read_string = cc2_read_string, .write = cc2_write, }; @@ -710,6 +729,8 @@ static int cc2_probe(struct i2c_client *client) return dev_err_probe(dev, PTR_ERR(data->regulator), "Failed to get regulator\n"); + device_property_read_string(dev, "label", &data->label); + ret = cc2_request_ready_irq(data, dev); if (ret) return dev_err_probe(dev, ret, "Failed to request ready irq\n");