diff options
Diffstat (limited to 'drivers/hwmon/powr1220.c')
| -rw-r--r-- | drivers/hwmon/powr1220.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/drivers/hwmon/powr1220.c b/drivers/hwmon/powr1220.c index 0fa1a136eec8..f77dc6db31ac 100644 --- a/drivers/hwmon/powr1220.c +++ b/drivers/hwmon/powr1220.c @@ -22,6 +22,8 @@ #define ADC_STEP_MV 2 #define ADC_MAX_LOW_MEASUREMENT_MV 2000 +enum powr1xxx_chips { powr1014, powr1220 }; + enum powr1220_regs { VMON_STATUS0, VMON_STATUS1, @@ -74,6 +76,7 @@ enum powr1220_adc_values { struct powr1220_data { struct i2c_client *client; struct mutex update_lock; + u8 max_channels; bool adc_valid[MAX_POWR1220_ADC_VALUES]; /* the next value is in jiffies */ unsigned long adc_last_updated[MAX_POWR1220_ADC_VALUES]; @@ -171,6 +174,11 @@ static umode_t powr1220_is_visible(const void *data, enum hwmon_sensor_types type, u32 attr, int channel) { + struct powr1220_data *chip_data = (struct powr1220_data *)data; + + if (channel >= chip_data->max_channels) + return 0; + switch (type) { case hwmon_in: switch (attr) { @@ -271,6 +279,8 @@ static const struct hwmon_chip_info powr1220_chip_info = { .info = powr1220_info, }; +static const struct i2c_device_id powr1220_ids[]; + static int powr1220_probe(struct i2c_client *client) { struct powr1220_data *data; @@ -283,6 +293,15 @@ static int powr1220_probe(struct i2c_client *client) if (!data) return -ENOMEM; + switch (i2c_match_id(powr1220_ids, client)->driver_data) { + case powr1014: + data->max_channels = 10; + break; + default: + data->max_channels = 12; + break; + } + mutex_init(&data->update_lock); data->client = client; @@ -296,7 +315,8 @@ static int powr1220_probe(struct i2c_client *client) } static const struct i2c_device_id powr1220_ids[] = { - { "powr1220", 0, }, + { "powr1014", powr1014, }, + { "powr1220", powr1220, }, { } }; |