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authorGuenter Roeck <guenter.roeck@ericsson.com>2010-10-28 20:31:44 +0200
committerJean Delvare <khali@endymion.delvare>2010-10-28 20:31:44 +0200
commit1179324c411edcefb28a5293f8cc6a5bd9567448 (patch)
tree419a050116f8c195b62191caa8e45523d7d30cfc /drivers/hwmon/lm90.c
parent4667bcb8d8fc081a804a798df70dc91241946e0a (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>
Diffstat (limited to 'drivers/hwmon/lm90.c')
-rw-r--r--drivers/hwmon/lm90.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 9df08e1cc518..1913f8a5d733 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);