[PATCH 5.10 32/76] hwmon: (lm90) Introduce flag indicating extended temperature support
From: Greg Kroah-Hartman
Date: Mon Dec 27 2021 - 10:41:32 EST
From: Guenter Roeck <linux@xxxxxxxxxxxx>
[ Upstream commit f347e249fcf920ad6974cbd898e2ec0b366a1c34 ]
A flag indicating extended temperature support makes it easier
to add support for additional chips with this functionality.
Cc: David T. Wilson <david.wilson@xxxxxxxx>
Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/hwmon/lm90.c | 21 +++++++++++----------
1 file changed, 11 insertions(+), 10 deletions(-)
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index ffda70dcd9ae9..2961e992faa85 100644
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -186,7 +186,8 @@ enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680,
#define LM90_HAVE_EMERGENCY_ALARM (1 << 5)/* emergency alarm */
#define LM90_HAVE_TEMP3 (1 << 6) /* 3rd temperature sensor */
#define LM90_HAVE_BROKEN_ALERT (1 << 7) /* Broken alert */
-#define LM90_PAUSE_FOR_CONFIG (1 << 8) /* Pause conversion for config */
+#define LM90_HAVE_EXTENDED_TEMP (1 << 8) /* extended temperature support*/
+#define LM90_PAUSE_FOR_CONFIG (1 << 9) /* Pause conversion for config */
/* LM90 status */
#define LM90_STATUS_LTHRM (1 << 0) /* local THERM limit tripped */
@@ -359,7 +360,7 @@ static const struct lm90_params lm90_params[] = {
},
[adt7461] = {
.flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT
- | LM90_HAVE_BROKEN_ALERT,
+ | LM90_HAVE_BROKEN_ALERT | LM90_HAVE_EXTENDED_TEMP,
.alert_alarms = 0x7c,
.max_convrate = 10,
},
@@ -431,7 +432,7 @@ static const struct lm90_params lm90_params[] = {
},
[tmp451] = {
.flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT
- | LM90_HAVE_BROKEN_ALERT,
+ | LM90_HAVE_BROKEN_ALERT | LM90_HAVE_EXTENDED_TEMP,
.alert_alarms = 0x7c,
.max_convrate = 9,
.reg_local_ext = TMP451_REG_R_LOCAL_TEMPL,
@@ -1013,7 +1014,7 @@ static int lm90_get_temp11(struct lm90_data *data, int index)
s16 temp11 = data->temp11[index];
int temp;
- if (data->kind == adt7461 || data->kind == tmp451)
+ if (data->flags & LM90_HAVE_EXTENDED_TEMP)
temp = temp_from_u16_adt7461(data, temp11);
else if (data->kind == max6646)
temp = temp_from_u16(temp11);
@@ -1047,7 +1048,7 @@ static int lm90_set_temp11(struct lm90_data *data, int index, long val)
if (data->kind == lm99 && index <= 2)
val -= 16000;
- if (data->kind == adt7461 || data->kind == tmp451)
+ if (data->flags & LM90_HAVE_EXTENDED_TEMP)
data->temp11[index] = temp_to_u16_adt7461(data, val);
else if (data->kind == max6646)
data->temp11[index] = temp_to_u8(val) << 8;
@@ -1074,7 +1075,7 @@ static int lm90_get_temp8(struct lm90_data *data, int index)
s8 temp8 = data->temp8[index];
int temp;
- if (data->kind == adt7461 || data->kind == tmp451)
+ if (data->flags & LM90_HAVE_EXTENDED_TEMP)
temp = temp_from_u8_adt7461(data, temp8);
else if (data->kind == max6646)
temp = temp_from_u8(temp8);
@@ -1107,7 +1108,7 @@ static int lm90_set_temp8(struct lm90_data *data, int index, long val)
if (data->kind == lm99 && index == 3)
val -= 16000;
- if (data->kind == adt7461 || data->kind == tmp451)
+ if (data->flags & LM90_HAVE_EXTENDED_TEMP)
data->temp8[index] = temp_to_u8_adt7461(data, val);
else if (data->kind == max6646)
data->temp8[index] = temp_to_u8(val);
@@ -1125,7 +1126,7 @@ static int lm90_get_temphyst(struct lm90_data *data, int index)
{
int temp;
- if (data->kind == adt7461 || data->kind == tmp451)
+ if (data->flags & LM90_HAVE_EXTENDED_TEMP)
temp = temp_from_u8_adt7461(data, data->temp8[index]);
else if (data->kind == max6646)
temp = temp_from_u8(data->temp8[index]);
@@ -1145,7 +1146,7 @@ static int lm90_set_temphyst(struct lm90_data *data, long val)
int temp;
int err;
- if (data->kind == adt7461 || data->kind == tmp451)
+ if (data->flags & LM90_HAVE_EXTENDED_TEMP)
temp = temp_from_u8_adt7461(data, data->temp8[LOCAL_CRIT]);
else if (data->kind == max6646)
temp = temp_from_u8(data->temp8[LOCAL_CRIT]);
@@ -1698,7 +1699,7 @@ static int lm90_init_client(struct i2c_client *client, struct lm90_data *data)
lm90_set_convrate(client, data, 500); /* 500ms; 2Hz conversion rate */
/* Check Temperature Range Select */
- if (data->kind == adt7461 || data->kind == tmp451) {
+ if (data->flags & LM90_HAVE_EXTENDED_TEMP) {
if (config & 0x04)
data->flags |= LM90_FLAG_ADT7461_EXT;
}
--
2.34.1