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authorPeter Rosin <peda@axentia.se>2018-11-21 16:03:46 +0000
committerGuenter Roeck <linux@roeck-us.net>2018-12-16 15:13:21 -0800
commit737c086eddab6fae699ad7fc6963a91837b62b51 (patch)
tree5a38783478d335313e33930e260240fc2a7d2d72 /drivers/hwmon/ntc_thermistor.c
parente056fe25d9f021d45c3fb6068d11e56e9579754b (diff)
hwmon: (ntc_thermistor) use a table to lookup the thermistor type
Sort the entries while at it. Signed-off-by: Peter Rosin <peda@axentia.se> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/ntc_thermistor.c')
-rw-r--r--drivers/hwmon/ntc_thermistor.c47
1 files changed, 21 insertions, 26 deletions
diff --git a/drivers/hwmon/ntc_thermistor.c b/drivers/hwmon/ntc_thermistor.c
index 7747c1ed1f02..56d83b2472c8 100644
--- a/drivers/hwmon/ntc_thermistor.c
+++ b/drivers/hwmon/ntc_thermistor.c
@@ -315,6 +315,23 @@ static const struct ntc_compensation b57891s0103[] = {
{ .temp_c = 155.0, .ohm = 168 },
};
+struct ntc_type {
+ const struct ntc_compensation *comp;
+ int n_comp;
+};
+
+#define NTC_TYPE(ntc, compensation) \
+[(ntc)] = { .comp = (compensation), .n_comp = ARRAY_SIZE(compensation) }
+
+static const struct ntc_type ntc_type[] = {
+ NTC_TYPE(TYPE_B57330V2103, b57330v2103),
+ NTC_TYPE(TYPE_B57891S0103, b57891s0103),
+ NTC_TYPE(TYPE_NCPXXWB473, ncpXXwb473),
+ NTC_TYPE(TYPE_NCPXXWF104, ncpXXwf104),
+ NTC_TYPE(TYPE_NCPXXWL333, ncpXXwl333),
+ NTC_TYPE(TYPE_NCPXXXH103, ncpXXxh103),
+};
+
struct ntc_data {
struct ntc_thermistor_platform_data *pdata;
const struct ntc_compensation *comp;
@@ -671,37 +688,15 @@ static int ntc_thermistor_probe(struct platform_device *pdev)
data->pdata = pdata;
- switch (pdev_id->driver_data) {
- case TYPE_NCPXXWB473:
- data->comp = ncpXXwb473;
- data->n_comp = ARRAY_SIZE(ncpXXwb473);
- break;
- case TYPE_NCPXXWL333:
- data->comp = ncpXXwl333;
- data->n_comp = ARRAY_SIZE(ncpXXwl333);
- break;
- case TYPE_B57330V2103:
- data->comp = b57330v2103;
- data->n_comp = ARRAY_SIZE(b57330v2103);
- break;
- case TYPE_NCPXXWF104:
- data->comp = ncpXXwf104;
- data->n_comp = ARRAY_SIZE(ncpXXwf104);
- break;
- case TYPE_NCPXXXH103:
- data->comp = ncpXXxh103;
- data->n_comp = ARRAY_SIZE(ncpXXxh103);
- break;
- case TYPE_B57891S0103:
- data->comp = b57891s0103;
- data->n_comp = ARRAY_SIZE(b57891s0103);
- break;
- default:
+ if (pdev_id->driver_data >= ARRAY_SIZE(ntc_type)) {
dev_err(dev, "Unknown device type: %lu(%s)\n",
pdev_id->driver_data, pdev_id->name);
return -EINVAL;
}
+ data->comp = ntc_type[pdev_id->driver_data].comp;
+ data->n_comp = ntc_type[pdev_id->driver_data].n_comp;
+
hwmon_dev = devm_hwmon_device_register_with_groups(dev, pdev_id->name,
data, ntc_groups);
if (IS_ERR(hwmon_dev)) {