hwmon: (max1668) Replace chip type with number of channels

The only difference between supported chips is the number of channels.
Drop enum chips and list the number of channels in struct i2c_device_id
directly.

Reviewed-by: Tzung-Bi Shih <tzungbi@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

diff --git a/drivers/hwmon/max1668.c b/drivers/hwmon/max1668.c
index c7eae28c0b01359d275b9484e5cf84cf73266e88..f8180a8597c01634a78ecea84915985258527309 100644 (file)
--- a/drivers/hwmon/max1668.c
+++ b/drivers/hwmon/max1668.c
@@ -47,12 +47,10 @@ static bool read_only;
 module_param(read_only, bool, 0);
 MODULE_PARM_DESC(read_only, "Don't set any values, read only mode");
 
-enum chips { max1668, max1805, max1989 };
-
 struct max1668_data {
        struct regmap *regmap;
        const struct attribute_group *groups[3];
-       enum chips type;
+       int channels;
 };
 
 static ssize_t show_temp(struct device *dev,
@@ -391,11 +389,11 @@ static int max1668_probe(struct i2c_client *client)
        if (IS_ERR(data->regmap))
                return PTR_ERR(data->regmap);
 
-       data->type = (uintptr_t)i2c_get_match_data(client);
+       data->channels = (uintptr_t)i2c_get_match_data(client);
 
        /* sysfs hooks */
        data->groups[0] = &max1668_group_common;
-       if (data->type == max1668 || data->type == max1989)
+       if (data->channels == 5)
                data->groups[1] = &max1668_group_unique;
 
        hwmon_dev = devm_hwmon_device_register_with_groups(dev, client->name,
@@ -404,9 +402,9 @@ static int max1668_probe(struct i2c_client *client)
 }
 
 static const struct i2c_device_id max1668_id[] = {
-       { "max1668", max1668 },
-       { "max1805", max1805 },
-       { "max1989", max1989 },
+       { "max1668", 5 },
+       { "max1805", 3 },
+       { "max1989", 5 },
        { }
 };
 MODULE_DEVICE_TABLE(i2c, max1668_id);