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path: root/drivers/hwmon/lm87.c
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Diffstat (limited to 'drivers/hwmon/lm87.c')
-rw-r--r--drivers/hwmon/lm87.c23
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);