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hwmon: (lm90) Add explicit support for ADM1020
ADM1020 is compatible with ADM1021 but has a separate chip revision and a limited I2C address range. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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@ -51,6 +51,14 @@ Supported chips:
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http://www.national.com/mpf/LM/LM86.html
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* Analog Devices ADM1020
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Prefix: 'adm1020'
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Addresses scanned: I2C 0x4c - 0x4e
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Datasheet: Publicly available at the Analog Devices website
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* Analog Devices ADM1021
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Prefix: 'adm1021'
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@ -457,7 +465,7 @@ features:
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LM84:
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* 8 bit sensor resolution
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ADM1021, GL523SM, MAX1617, NE1617, NE1617A, THMC10:
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ADM1020, ADM1021, GL523SM, MAX1617, NE1617, NE1617A, THMC10:
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* 8 bit sensor resolution
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* Low temperature limits
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@ -1360,8 +1360,8 @@ config SENSORS_LM90
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depends on I2C
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help
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If you say yes here you get support for National Semiconductor LM84,
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LM90, LM86, LM89 and LM99, Analog Devices ADM2021, ADM1021A, ADM1023,
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ADM1032, ADT7461, ADT7461A, ADT7481, ADT7482, and ADT7483A,
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LM90, LM86, LM89 and LM99, Analog Devices ADM1020, ADM2021, ADM1021A,
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ADM1023, ADM1032, ADT7461, ADT7461A, ADT7481, ADT7482, and ADT7483A,
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Maxim MAX1617, MAX6642, MAX6646, MAX6647, MAX6648, MAX6649, MAX6654,
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MAX6657, MAX6658, MAX6659, MAX6680, MAX6681, MAX6692, MAX6695,
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MAX6696,
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@ -228,6 +228,7 @@ enum chips { adm1023, adm1032, adt7461, adt7461a, adt7481,
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*/
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static const struct i2c_device_id lm90_id[] = {
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{ "adm1020", max1617 },
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{ "adm1021", max1617 },
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{ "adm1023", adm1023 },
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{ "adm1032", adm1032 },
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@ -1831,7 +1832,8 @@ static const char *lm90_detect_analog(struct i2c_client *client, bool common_add
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(config1 & 0x0b) == 0x08 && convrate <= 0x0a)
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name = "adt7421";
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break;
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case 0x30 ... 0x3e: /* ADM1021A, ADM1023 */
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case 0x30 ... 0x38: /* ADM1021A, ADM1023 */
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case 0x3a ... 0x3e:
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/*
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* ADM1021A and compatible chips will be mis-detected as
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* ADM1023. Chips labeled 'ADM1021A' and 'ADM1023' were both
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@ -1849,6 +1851,12 @@ static const char *lm90_detect_analog(struct i2c_client *client, bool common_add
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!(status & 0x03) && !(config1 & 0x3f) && !(convrate & 0xf8))
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name = "adm1023";
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break;
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case 0x39: /* ADM1020 (undocumented) */
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if (man_id2 == 0x00 && chip_id2 == 0x00 &&
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(address == 0x4c || address == 0x4d || address == 0x4e) &&
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!(status & 0x03) && !(config1 & 0x3f) && !(convrate & 0xf8))
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name = "adm1020";
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break;
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case 0x3f: /* NCT210 */
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if (man_id2 == 0x00 && chip_id2 == 0x00 && common_address &&
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!(status & 0x03) && !(config1 & 0x3f) && !(convrate & 0xf8))
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