hwmon: (lm90) Mark alert as broken for MAX6646/6647/6649

commit f614629f9c1080dcc844a8430e3fb4c37ebbf05d upstream.

Experiments with MAX6646 and MAX6648 show that the alert function of those
chips is broken, similar to other chips supported by the lm90 driver.
Mark it accordingly.

Fixes: 4667bcb8d8fc ("hwmon: (lm90) Introduce chip parameter structure")
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/hwmon/lm90.c b/drivers/hwmon/lm90.c
index 959446b0137bcba40ab1c54d1c2f8c46efb368f5..36e33b030a9d09f301a1ca7b8c05c389eb2d83ee 100644 (file)
--- a/drivers/hwmon/lm90.c
+++ b/drivers/hwmon/lm90.c
@@ -394,7 +394,7 @@ static const struct lm90_params lm90_params[] = {
                .max_convrate = 9,
        },
        [max6646] = {
-               .flags = LM90_HAVE_CRIT,
+               .flags = LM90_HAVE_CRIT | LM90_HAVE_BROKEN_ALERT,
                .alert_alarms = 0x7c,
                .max_convrate = 6,
                .reg_local_ext = MAX6657_REG_R_LOCAL_TEMPL,