From: Guenter Roeck linux@roeck-us.net
commit cdc5287acad9ede121924a9c9313544b80d15842 upstream.
Bit 7 of the status register indicates that the chip is busy doing a conversion. It does not indicate an alarm status. Stop reporting it as alarm status bit.
Signed-off-by: Guenter Roeck linux@roeck-us.net Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/hwmon/lm90.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/hwmon/lm90.c +++ b/drivers/hwmon/lm90.c @@ -197,6 +197,7 @@ enum chips { lm90, adm1032, lm99, lm86, #define LM90_STATUS_RHIGH (1 << 4) /* remote high temp limit tripped */ #define LM90_STATUS_LLOW (1 << 5) /* local low temp limit tripped */ #define LM90_STATUS_LHIGH (1 << 6) /* local high temp limit tripped */ +#define LM90_STATUS_BUSY (1 << 7) /* conversion is ongoing */
#define MAX6696_STATUS2_R2THRM (1 << 1) /* remote2 THERM limit tripped */ #define MAX6696_STATUS2_R2OPEN (1 << 2) /* remote2 is an open circuit */ @@ -786,7 +787,7 @@ static int lm90_update_device(struct dev val = lm90_read_reg(client, LM90_REG_R_STATUS); if (val < 0) return val; - data->alarms = val; /* lower 8 bit of alarms */ + data->alarms = val & ~LM90_STATUS_BUSY;
if (data->kind == max6696) { val = lm90_select_remote_channel(client, data, 1);