diff options
Diffstat (limited to 'drivers/hwmon')
| -rw-r--r-- | drivers/hwmon/lm87.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/drivers/hwmon/lm87.c b/drivers/hwmon/lm87.c index e06faf9d3f0f..04a7a1ddb030 100644 --- a/drivers/hwmon/lm87.c +++ b/drivers/hwmon/lm87.c @@ -66,6 +66,7 @@ #include <linux/hwmon-vid.h> #include <linux/err.h> #include <linux/mutex.h> +#include <linux/regulator/consumer.h> /* * Addresses to scan @@ -855,8 +856,26 @@ static int lm87_init_client(struct i2c_client *client) { struct lm87_data *data = i2c_get_clientdata(client); int rc; - - if (dev_get_platdata(&client->dev)) { + struct device_node *of_node = client->dev.of_node; + u8 val = 0; + struct regulator *vcc = NULL; + + if (of_node) { + if (of_property_read_bool(of_node, "has-temp3")) + val |= CHAN_TEMP3; + if (of_property_read_bool(of_node, "has-in6")) + val |= CHAN_NO_FAN(0); + if (of_property_read_bool(of_node, "has-in7")) + val |= CHAN_NO_FAN(1); + vcc = devm_regulator_get_optional(&client->dev, "vcc"); + if (!IS_ERR(vcc)) { + if (regulator_get_voltage(vcc) == 5000000) + val |= CHAN_VCC_5V; + } + data->channel = val; + lm87_write_value(client, + LM87_REG_CHANNEL_MODE, data->channel); + } else if (dev_get_platdata(&client->dev)) { data->channel = *(u8 *)dev_get_platdata(&client->dev); lm87_write_value(client, LM87_REG_CHANNEL_MODE, data->channel); |