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author | Guenter Roeck <linux@roeck-us.net> | 2021-10-21 11:49:50 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-12-29 14:28:48 +0300 |
commit | 983084e19aeb648f034b2be9f08dff2199855683 (patch) | |
tree | ef04cbb14c863efb19feed101b5a5ac33e81c013 /drivers/hwmon | |
parent | d105f30bea9104c590a9e5b495cb8a49bdfe405f (diff) | |
download | linux-983084e19aeb648f034b2be9f08dff2199855683.tar.xz |
hwmon: (lm90) Introduce flag indicating extended temperature support
[ 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@nasa.gov>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/hwmon')
-rw-r--r-- | drivers/hwmon/lm90.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c index f6e6c7c6c73f..0463179be550 100644 --- a/drivers/hwmon/lm90.c +++ b/drivers/hwmon/lm90.c @@ -182,7 +182,8 @@ 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 */ @@ -350,7 +351,7 @@ 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, }, @@ -422,7 +423,7 @@ 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, @@ -998,7 +999,7 @@ 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); @@ -1035,7 +1036,7 @@ static int lm90_set_temp11(struct lm90_data *data, int index, long val) 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; @@ -1062,7 +1063,7 @@ 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); @@ -1098,7 +1099,7 @@ static int lm90_set_temp8(struct lm90_data *data, int index, long val) 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); @@ -1116,7 +1117,7 @@ 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]); @@ -1136,7 +1137,7 @@ 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]); @@ -1684,7 +1685,7 @@ 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; } |