diff options
| author | Guenter Roeck <guenter.roeck@ericsson.com> | 2010-10-28 20:31:44 +0200 |
|---|---|---|
| committer | Jean Delvare <khali@endymion.delvare> | 2010-10-28 20:31:44 +0200 |
| commit | 1179324c411edcefb28a5293f8cc6a5bd9567448 (patch) | |
| tree | 419a050116f8c195b62191caa8e45523d7d30cfc | |
| parent | 4667bcb8d8fc081a804a798df70dc91241946e0a (diff) | |
hwmon: (lm90) Introduce capability flag to indicate broken ALERT functionality
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
| -rw-r--r-- | drivers/hwmon/lm90.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c index 9df08e1cc51..1913f8a5d73 100644 --- a/drivers/hwmon/lm90.c +++ b/drivers/hwmon/lm90.c @@ -162,6 +162,7 @@ enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680, #define LM90_HAVE_EMERGENCY (1 << 4) /* 3rd upper (emergency) limit */ #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 */ /* * Driver data (common to all clients) @@ -200,11 +201,13 @@ struct lm90_params { static const struct lm90_params lm90_params[] = { [adm1032] = { - .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT, + .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT + | LM90_HAVE_BROKEN_ALERT, .alert_alarms = 0x7c, }, [adt7461] = { - .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT, + .flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT + | LM90_HAVE_BROKEN_ALERT, .alert_alarms = 0x7c, }, [lm86] = { @@ -1361,7 +1364,7 @@ static void lm90_alert(struct i2c_client *client, unsigned int flag) /* Disable ALERT# output, because these chips don't implement SMBus alert correctly; they should only hold the alert line low briefly. */ - if ((data->kind == adm1032 || data->kind == adt7461) + if ((data->flags & LM90_HAVE_BROKEN_ALERT) && (alarms & data->alert_alarms)) { dev_dbg(&client->dev, "Disabling ALERT#\n"); lm90_read_reg(client, LM90_REG_R_CONFIG1, &config); |