GMT G781 and G781-1 are ADM1032-compatible temperature sensor chips. Add support
to the LM90 driver.
Cc: Mike Gorchak <lestat@xxxxxxxx>
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
---
Compile-tested only.
drivers/hwmon/lm90.c | 16 +++++++++++++++-
1 files changed, 15 insertions(+), 1 deletions(-)
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 2e207de..7694b98 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -107,7 +107,7 @@ static const unsigned short normal_i2c[] = {
0x4d, 0x4e, 0x4f, I2C_CLIENT_END };
enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680,
- max6646, w83l771, max6696, sa56004 };
+ max6646, w83l771, max6696, sa56004, g781 };
/*
* The LM90 registers
@@ -184,6 +184,7 @@ static const struct i2c_device_id lm90_id[] = {
{ "adm1032", adm1032 },
{ "adt7461", adt7461 },
{ "adt7461a", adt7461 },
+ { "g781", g781 },
{ "lm90", lm90 },
{ "lm86", lm86 },
{ "lm89", lm86 },
@@ -229,6 +230,12 @@ static const struct lm90_params lm90_params[] = {
.alert_alarms = 0x7c,
.max_convrate = 10,
},
+ [g781] = {
+ .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT
+ | LM90_HAVE_BROKEN_ALERT,
+ .alert_alarms = 0x7c,
+ .max_convrate = 8,
+ },
[lm86] = {
.flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT,
.alert_alarms = 0x7b,
@@ -1291,6 +1298,13 @@ static int lm90_detect(struct i2c_client *client,
&& convrate <= 0x09) {
name = "sa56004";
}
+ } else
+ if (man_id == 0x47) { /* GMT */
+ if (convrate <= 0x08
+ && (config1 & 0x3F) == 0x00
+ && ((address == 0x4C && chip_id == 0x01) /* G781 */
+ || (address == 0x4D && chip_id == 0x03))) /* G781-1 */
+ name = "g781";
}
if (!name) { /* identification failed */
--
1.7.5.4
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