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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>
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parent
4667bcb8d8
commit
1179324c41
1 changed files with 6 additions and 3 deletions
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@ -162,6 +162,7 @@ enum chips { lm90, adm1032, lm99, lm86, max6657, max6659, adt7461, max6680,
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#define LM90_HAVE_EMERGENCY (1 << 4) /* 3rd upper (emergency) limit */
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#define LM90_HAVE_EMERGENCY_ALARM (1 << 5)/* emergency alarm */
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#define LM90_HAVE_TEMP3 (1 << 6) /* 3rd temperature sensor */
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#define LM90_HAVE_BROKEN_ALERT (1 << 7) /* Broken alert */
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/*
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* Driver data (common to all clients)
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@ -200,11 +201,13 @@ struct lm90_params {
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static const struct lm90_params lm90_params[] = {
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[adm1032] = {
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.flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT,
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.flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT
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| LM90_HAVE_BROKEN_ALERT,
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.alert_alarms = 0x7c,
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},
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[adt7461] = {
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.flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT,
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.flags = LM90_HAVE_OFFSET | LM90_HAVE_REM_LIMIT_EXT
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| LM90_HAVE_BROKEN_ALERT,
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.alert_alarms = 0x7c,
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},
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[lm86] = {
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@ -1361,7 +1364,7 @@ static void lm90_alert(struct i2c_client *client, unsigned int flag)
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/* Disable ALERT# output, because these chips don't implement
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SMBus alert correctly; they should only hold the alert line
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low briefly. */
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if ((data->kind == adm1032 || data->kind == adt7461)
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if ((data->flags & LM90_HAVE_BROKEN_ALERT)
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&& (alarms & data->alert_alarms)) {
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dev_dbg(&client->dev, "Disabling ALERT#\n");
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lm90_read_reg(client, LM90_REG_R_CONFIG1, &config);
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