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path: root/drivers/hwmon/thmc50.c
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Diffstat (limited to 'drivers/hwmon/thmc50.c')
-rw-r--r--drivers/hwmon/thmc50.c37
1 files changed, 13 insertions, 24 deletions
diff --git a/drivers/hwmon/thmc50.c b/drivers/hwmon/thmc50.c
index 7d97431e132..4b793849c73 100644
--- a/drivers/hwmon/thmc50.c
+++ b/drivers/hwmon/thmc50.c
@@ -36,7 +36,11 @@ static const unsigned short normal_i2c[] = { 0x2c, 0x2d, 0x2e, I2C_CLIENT_END };
/* Insmod parameters */
I2C_CLIENT_INSMOD_2(thmc50, adm1022);
-I2C_CLIENT_MODULE_PARM(adm1022_temp3, "List of adapter,address pairs "
+
+static unsigned short adm1022_temp3[16];
+static unsigned int adm1022_temp3_num;
+module_param_array(adm1022_temp3, ushort, &adm1022_temp3_num, 0);
+MODULE_PARM_DESC(adm1022_temp3, "List of adapter,address pairs "
"to enable 3rd temperature (ADM1022 only)");
/* Many THMC50 constants specified below */
@@ -289,7 +293,6 @@ static int thmc50_detect(struct i2c_client *client, int kind,
unsigned revision;
unsigned config;
struct i2c_adapter *adapter = client->adapter;
- int err = 0;
const char *type_name;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA)) {
@@ -301,31 +304,13 @@ static int thmc50_detect(struct i2c_client *client, int kind,
pr_debug("thmc50: Probing for THMC50 at 0x%2X on bus %d\n",
client->addr, i2c_adapter_id(client->adapter));
- /* Now, we do the remaining detection. */
company = i2c_smbus_read_byte_data(client, THMC50_REG_COMPANY_ID);
revision = i2c_smbus_read_byte_data(client, THMC50_REG_DIE_CODE);
config = i2c_smbus_read_byte_data(client, THMC50_REG_CONF);
+ if (revision < 0xc0 || (config & 0x10))
+ return -ENODEV;
- if (kind == 0)
- kind = thmc50;
- else if (kind < 0) {
- err = -ENODEV;
- if (revision >= 0xc0 && ((config & 0x10) == 0)) {
- if (company == 0x49) {
- kind = thmc50;
- err = 0;
- } else if (company == 0x41) {
- kind = adm1022;
- err = 0;
- }
- }
- }
- if (err == -ENODEV) {
- pr_debug("thmc50: Detection of THMC50/ADM1022 failed\n");
- return err;
- }
-
- if (kind == adm1022) {
+ if (company == 0x41) {
int id = i2c_adapter_id(client->adapter);
int i;
@@ -340,9 +325,13 @@ static int thmc50_detect(struct i2c_client *client, int kind,
config);
break;
}
- } else {
+ } else if (company == 0x49) {
type_name = "thmc50";
+ } else {
+ pr_debug("thmc50: Detection of THMC50/ADM1022 failed\n");
+ return -ENODEV;
}
+
pr_debug("thmc50: Detected %s (version %x, revision %x)\n",
type_name, (revision >> 4) - 0xc, revision & 0xf);